WO2019097818A1 - 光学デバイス - Google Patents
光学デバイス Download PDFInfo
- Publication number
- WO2019097818A1 WO2019097818A1 PCT/JP2018/032760 JP2018032760W WO2019097818A1 WO 2019097818 A1 WO2019097818 A1 WO 2019097818A1 JP 2018032760 W JP2018032760 W JP 2018032760W WO 2019097818 A1 WO2019097818 A1 WO 2019097818A1
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- WIPO (PCT)
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- movable
- comb electrode
- torsion bar
- main body
- movable comb
- Prior art date
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
- G02B26/0841—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD the reflecting element being moved or deformed by electrostatic means
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B3/00—Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes
- B81B3/0035—Constitution or structural means for controlling the movement of the flexible or deformable elements
- B81B3/004—Angular deflection
- B81B3/0045—Improve properties related to angular swinging, e.g. control resonance frequency
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
- B81C1/00436—Shaping materials, i.e. techniques for structuring the substrate or the layers on the substrate
- B81C1/00555—Achieving a desired geometry, i.e. controlling etch rates, anisotropy or selectivity
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/105—Scanning systems with one or more pivoting mirrors or galvano-mirrors
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/1821—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/002—Electrostatic motors
- H02N1/006—Electrostatic motors of the gap-closing type
- H02N1/008—Laterally driven motors, e.g. of the comb-drive type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B2201/00—Specific applications of microelectromechanical systems
- B81B2201/04—Optical MEMS
- B81B2201/042—Micromirrors, not used as optical switches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B2203/00—Basic microelectromechanical structures
- B81B2203/01—Suspended structures, i.e. structures allowing a movement
- B81B2203/0109—Bridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B2203/00—Basic microelectromechanical structures
- B81B2203/01—Suspended structures, i.e. structures allowing a movement
- B81B2203/0145—Flexible holders
- B81B2203/0154—Torsion bars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C2201/00—Manufacture or treatment of microstructural devices or systems
- B81C2201/01—Manufacture or treatment of microstructural devices or systems in or on a substrate
- B81C2201/0101—Shaping material; Structuring the bulk substrate or layers on the substrate; Film patterning
- B81C2201/0128—Processes for removing material
- B81C2201/013—Etching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C2201/00—Manufacture or treatment of microstructural devices or systems
- B81C2201/01—Manufacture or treatment of microstructural devices or systems in or on a substrate
- B81C2201/0174—Manufacture or treatment of microstructural devices or systems in or on a substrate for making multi-layered devices, film deposition or growing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C2201/00—Manufacture or treatment of microstructural devices or systems
- B81C2201/01—Manufacture or treatment of microstructural devices or systems in or on a substrate
- B81C2201/0198—Manufacture or treatment of microstructural devices or systems in or on a substrate for making a masking layer
Definitions
- the present disclosure relates to an optical device configured as, for example, a MEMS (Micro Electro Mechanical Systems) device.
- MEMS Micro Electro Mechanical Systems
- a base a movable part having an optical function part, a pair of torsion bars each connected to the base and the movable part on both sides of the movable part, a movable comb electrode having a plurality of movable combs, and a plurality of movable combs 2.
- An optical device which comprises: a fixed comb electrode having a plurality of fixed comb teeth alternately arranged with teeth.
- a movable comb electrode is provided on a support portion extending from the movable portion along the torsion bar.
- the movable comb electrode and the fixed comb electrode as described above are used as a driving electrode, a monitoring electrode, or a driving and monitoring electrode.
- a movable comb electrode and a fixed comb electrode are used as electrodes for driving, the movable comb electrode and the fixed comb electrode are arranged to swing the movable portion with a predetermined axis as the center line. A voltage is applied.
- a movable comb electrode and a fixed comb electrode are used as electrodes for monitoring, in order to grasp the position (swing angle) of the movable portion swinging about a predetermined axis, the movable comb The capacitance between the tooth electrode and the stationary comb electrode is detected.
- the movable comb electrode When the movable comb electrode and the fixed comb electrode are used in any of the applications, the movable comb electrode is integrally oscillated with the movable part when the movable part is oscillated, and movable adjacent to each other Preferably, the distance between the comb teeth and the fixed comb teeth is maintained constant.
- the support portion provided with the movable comb electrode extends from the movable portion along the torsion bar, the movable comb is movable when the movable portion is swung. The electrodes may be distorted, which may reduce the reliability of the device.
- the present disclosure aims to provide a reliable optical device.
- An optical device includes a base, a movable portion having an optical function portion, and a first torsion bar disposed on one side of the movable portion in the first direction and connected to the base and the movable portion.
- a second torsion bar disposed on the other side of the movable part in the first direction and connected to the base and the movable part, and disposed on one side of the first torsion bar in a second direction perpendicular to the first direction;
- One of the first support part connected to the movable part, the second support part arranged on the other side of the first torsion bar in the second direction and connected to the movable part, and one of the second torsion bar in the second direction A third support connected to the movable part, and a fourth support connected to the movable part, the fourth support connected to the movable part, and the third support connected to the movable part;
- a third movable comb electrode having a fourth movable portion, a fourth movable comb electrode having a plurality of fourth movable combs, and a base provided alternately with a plurality of first movable combs.
- a first fixed comb electrode having a plurality of first fixed comb teeth arranged, and a second fix having a plurality of second fixed comb teeth provided on the base and arranged alternately with a plurality of second movable comb teeth
- a fourth fixed comb electrode having a plurality of fourth fixed comb teeth alternately arranged with the comb teeth
- the first movable comb and the first fixed comb are opposed to each other in the first direction, and the second movable comb and the second fixed comb
- the third movable comb and the third fixed comb are opposed to each other in the first direction, and the fourth movable comb and the fourth fixed comb adjacent to each other are opposed to each other in the first direction.
- the comb electrode is disposed between the first support portion and the first end on one side of the movable portion in the second direction when viewed from the first direction, and the second movable comb electrode is When viewed from the first direction, the third movable comb electrode is disposed between the second support portion and the second end of the other side of the movable portion in the second direction, and the third movable comb electrode is disposed in the first direction.
- the fourth movable comb electrode is disposed between the third support portion and the first end of the movable portion.
- the first support portion is a third direction perpendicular to the first direction and the second direction.
- the first support portion in the first direction is greater than the thickness of the first torsion bar in the third direction
- the second support portion has a second support in the third direction.
- a second beam portion formed such that the thickness of the portion is larger than the thickness of the first torsion bar in the third direction
- the third support portion has a thickness of the third support portion in the third direction
- the third beam portion is formed to be larger than the thickness of the second torsion bar in the third direction
- the fourth support portion has a fourth support portion in the third direction that has a third thickness in the third direction.
- a fourth beam portion is formed to be larger than the thickness of the torsion bar.
- the first and third movable comb electrodes are closer to the first and second torsion bars than the first end on one side of the movable portion in the second direction.
- the second and fourth movable comb electrodes when viewed from the first direction, the first and second torsion bars than the second end of the other side of the movable portion in the second direction. Located on the side.
- the thickness of each of the first and second support portions in the third direction is greater than the thickness of the first torsion bar in the third direction.
- the third and fourth beam portions are formed so that the thickness of each of the third and fourth support portions in the third direction is greater than the thickness of the second torsion bar in the third direction. It is getting bigger. Thereby, it is possible to suppress the distortion of the first, second, third and fourth support portions when the movable portion is swinging. Therefore, the first, second, third, and fourth movable comb electrodes can be swung integrally with the movable portion, and fluctuation in the distance between the movable comb and the fixed comb adjacent to each other can be suppressed. can do. Thus, a highly reliable optical device can be obtained.
- the first support further includes a first main body provided with a first movable comb electrode
- the second support is provided with a second movable comb electrode
- the third support further includes a third main body provided with a third movable comb electrode
- the fourth support includes a fourth movable comb electrode.
- the first torsion bar, the first and second main bodies, and the second torsion bar, the third main body and the fourth main body extend along the first direction. It may exist. Thereby, each part can be arrange
- the first support further includes a first connecting portion connected to the first main body and the movable portion, and the first connecting portion is separated from the first torsion bar.
- the second support portion further includes a second connection portion connected to the second main body portion and the movable portion, and the second connection portion is bent to be separated from the first torsion bar.
- the third support portion further includes a third connection portion connected to the third main body portion and the movable portion, and the third connection portion has a shape bent to be separated from the second torsion bar.
- the fourth support portion further includes a fourth connection portion connected to the fourth main body portion and the movable portion, and the fourth connection portion has a shape bent away from the second torsion bar.
- first and second body portions can be brought closer to the first torsion bar, and the third and fourth body portions can be brought closer to the second torsion bar. Therefore, even if the movable portion is largely oscillated with an axis parallel to the first direction as a center line, it is possible to suppress the whole movable comb from deviating from the region between the fixed comb teeth adjacent to each other.
- the first torsion bar is connected to the movable portion such that the curvatures of the outer edge of the first torsion bar and the outer edge of the movable portion are continuous when viewed from the third direction.
- the second torsion bar may be connected to the movable portion such that the curvatures of the outer edge of the second torsion bar and the outer edge of the movable portion are continuous when viewed from the third direction.
- the optical device is provided at a portion including the first end of the movable portion, and includes a fifth movable comb electrode having a plurality of fifth movable comb teeth and a second end of the movable portion A sixth movable comb electrode having a plurality of sixth movable comb teeth, and a plurality of fifth fixed comb teeth provided on the base and arranged alternately with the plurality of fifth movable comb teeth And a sixth fixed comb electrode having a plurality of sixth fixed comb teeth provided on the base and alternately arranged with the plurality of sixth movable comb teeth, and adjacent to each other.
- the fifth movable comb and the fifth fixed comb may face each other in the first direction, and the adjacent sixth movable comb and the sixth fixed comb may face each other in the first direction.
- these electrodes can be used.
- the fifth movable comb electrode becomes larger than the first movable comb electrode and the third movable comb electrode, and the second movable comb
- the sixth movable comb electrode is larger than the tooth electrode and the fourth movable comb electrode.
- the magnitude of the electrostatic force generated in the drive electrode that is, the magnitude of the voltage applied to the drive electrode
- a torque necessary for swinging the movable portion is obtained.
- the third movable comb electrode and the third fixed comb electrode These electrodes can be used as electrodes for monitoring by detecting the respective capacitances during and between the fourth movable comb electrode and the fourth fixed comb electrode.
- the movable comb electrode may not be provided in the movable portion.
- the third movable comb electrode and the third fixed comb electrode These electrodes can be used as driving electrodes by applying a voltage between each of the fourth movable comb electrode and the fourth movable comb electrode, respectively. At this time, even if the movable portion is swung to a large extent, it is possible to suppress that the entire movable comb teeth are separated from the region between the fixed comb teeth adjacent to each other.
- the controllability of the setting of the drive signal such as the magnitude and the cycle of the voltage to be applied, can be improved.
- the third movable comb electrode and the third fixed comb electrode These electrodes can also be used as monitoring electrodes by detecting the respective capacitances during and between the fourth movable comb electrode and the fourth fixed comb electrode. At this time, even if the movable portion is swung to a large extent, it is possible to suppress that the entire movable comb teeth are separated from the region between the fixed comb teeth adjacent to each other. Therefore, the position (swing angle) of the movable portion can be grasped in the entire range in which the movable portion swings.
- the movable portion includes the fifth main portion provided with the optical function portion, the frame surrounding the fifth main portion when viewed from the third direction, the fifth main portion, and the frame A plurality of fifth connection portions connected to each other, a main body beam portion provided in the fifth main body portion, and a frame beam portion extending along the frame, the first beam portion and the second beam
- the part, the third beam part and the fourth beam part may be connected to the frame beam part.
- the movable portion may further include a connection beam connected to the main body beam and the frame beam at each of the plurality of fifth connection portions. Thereby, distortion of the optical function part and the first, second, third and fourth support parts can be suppressed more reliably.
- the plurality of fifth connection portions may be disposed at positions corresponding to the first end and the second end of the movable portion.
- the optical function unit may be a mirror.
- laser light can be suitably scanned in a predetermined region.
- FIG. 1 is a plan view of an optical device according to an embodiment.
- FIG. 2 is a bottom view of the optical device shown in FIG.
- FIG. 3 is a cross-sectional view of the optical device along the line III-III shown in FIG.
- FIG. 4 is a cross-sectional view of the optical device along the line IV-IV shown in FIG.
- FIG. 5 is a plan view of a modified optical device.
- FIG. 6 is a plan view of a modified optical device.
- the optical device 1 includes a base 5, a movable portion 7, a first torsion bar 11, and a second torsion bar 12.
- the optical device 1 is configured as a MEMS device by an SOI (Silicon On Insulator) substrate 9.
- SOI Silicon On Insulator
- the optical device 1 has, for example, a rectangular plate shape.
- the optical device 1 has, for example, a size of about 9 mm ⁇ 7 mm ⁇ 0.4 mm (thickness).
- the base 5 is formed of a handle layer 91 constituting the SOI substrate 9, a device layer 92 and a part of the intermediate layer 93.
- the handle layer 91 is a first silicon layer.
- the device layer 92 is a second silicon layer.
- the middle layer 93 is an insulating layer disposed between the handle layer 91 and the device layer 92.
- the movable portion 7 is disposed with the intersection of the axis L1 and the axis L2 as a center position (center of gravity).
- the axis L1 is a straight line extending in the X-axis direction (a direction parallel to the X-axis, a first direction).
- the axis L2 is a straight line extending in the Y-axis direction (a direction parallel to the Y-axis, a second direction perpendicular to the first direction).
- the movable portion 7 is axisymmetric with respect to the axis L1 and axisymmetric with respect to the axis L2 when viewed from the Z-axis direction (the direction parallel to the Z-axis, the first direction and the third direction perpendicular to the second direction) It has a shape.
- the movable portion 7 includes an optical function portion 71, a fifth main body portion 72, a frame 73, a plurality of fifth connection portions 74, a main body beam portion 75, a frame beam portion 76, and a plurality of connection beam portions 77. ,have.
- the optical function unit 71 is provided in the fifth main unit 72.
- the optical function unit 71 is a mirror formed on the surface 92 a of the device layer 92 constituting the fifth main unit 72 opposite to the handle layer 91. Such a mirror is obtained, for example, by forming a metal film on the surface 92 a of the device layer 92 constituting the fifth main body 72 by vapor deposition.
- the fifth main body portion 72 is formed by a part of the device layer 92.
- the fifth main body portion 72 has, for example, a circular shape when viewed in the Z-axis direction.
- the frame 73 surrounds the fifth main body 72 when viewed in the Z-axis direction.
- the frame 73 is formed by a part of the device layer 92.
- the frame 73 has, for example, an octagonal annular shape when viewed from the Z-axis direction.
- the plurality of fifth connection portions 74 are disposed on both sides of the fifth main body 72 on the axis L1 and on both sides of the fifth main body 72 on the axis L2.
- the plurality of fifth connection portions 74 respectively correspond to the positions corresponding to the first end 7a (positions between the first end 7a and the central position of the movable portion 7), and the second end 7b. (The position between the second end 7 b and the center position of the movable portion 7), the position on the extension of the first torsion bar 11, and the position on the extension of the second torsion bar 12 There is.
- Each fifth connection portion 74 is connected to the fifth main portion 72 and the frame 73.
- Each fifth connection portion 74 is bridged between the fifth main body portion 72 and the frame 73.
- Each fifth connection portion 74 is formed by a part of the device layer 92.
- the main body beam portion 75 extends along the outer edge of the fifth main body portion 72.
- the main body beam portion 75 is formed by the handle layer 91 and a part of the intermediate layer 93.
- the main body beam portion 75 is formed on the surface 92 b on the handle layer 91 side in the device layer 92 constituting the fifth main body portion 72.
- the main body beam portion 75 has, for example, a circular ring shape when viewed from the Z-axis direction.
- the frame beam 76 extends along the frame 73.
- the frame beam 76 is formed by the handle layer 91 and part of the intermediate layer 93.
- the frame beam portion 76 is formed on the surface 92 b of the device layer 92 constituting the frame 73.
- the frame beam portion 76 has, for example, an octagonal annular shape when viewed from the Z-axis direction.
- the plurality of connection beam portions 77 are disposed in the plurality of fifth connection portions 74, respectively.
- Each connection beam 77 is connected to the main body beam 75 and the frame beam 76.
- Each connection beam 77 is bridged between the main body beam 75 and the frame beam 76.
- Each connection beam 77 is formed of a portion of the handle layer 91 and the intermediate layer 93.
- Each connection beam portion 77 is formed on the surface 92 b of the device layer 92 that constitutes each fifth connection portion 74.
- the first torsion bar 11 is disposed on one side of the movable portion 7 in the X-axis direction.
- the first torsion bar 11 extends along the X-axis direction on the axis L1.
- the first torsion bar 11 is formed by a part of the device layer 92.
- the first torsion bar 11 is connected to the base 5 and the movable portion 7.
- the first torsion bar 11 is bridged between the base 5 and the movable portion 7 (the frame 73 in the optical device 1).
- the first torsion bar 11 has a movable portion 7 so that the curvatures of the outer edge of the first torsion bar 11 and the outer edge of the movable portion 7 (the outer edge of the frame 73 in the optical device 1) are continuous when viewed from the Z-axis direction. It is connected to the. Specifically, in the portion of the first torsion bar 11 connected to the movable portion 7, both side surfaces of the portion are curved in a concave manner so that the width of the portion in the Y-axis direction becomes larger as the movable portion 7 approaches.
- both sides of the portion have a concavely curved shape so that the width of the portion in the Y-axis direction becomes larger as it approaches the base 5.
- the second torsion bar 12 is disposed on the other side of the movable portion 7 in the X-axis direction.
- the second torsion bar 12 extends along the X-axis direction on the axis L1.
- the second torsion bar 12 is formed by a part of the device layer 92.
- the second torsion bar 12 is connected to the base 5 and the movable portion 7.
- the second torsion bar 12 is bridged between the base 5 and the movable portion 7 (the frame 73 in the optical device 1).
- the second torsion bar 12 has the movable portion 7 so that the curvatures of the outer edge of the second torsion bar 12 and the outer edge of the movable portion 7 (the outer edge of the frame 73 in the optical device 1) are continuous when viewed in the Z-axis direction. It is connected to the. Specifically, in the portion of the second torsion bar 12 connected to the movable portion 7, both side surfaces of the portion are curved in a concave manner so that the width of the portion in the Y-axis direction becomes larger as the movable portion 7 gets closer.
- a portion of the second torsion bar 12 connected to the base 5 exhibits a concavely curved shape on both sides of the portion so that the width of the portion in the Y-axis direction becomes larger as it approaches the base 5 There is.
- the optical device 1 further includes a first support 21, a second support 22, a third support 23, and a fourth support 24.
- the first support portion 21 is disposed on one side of the first torsion bar 11 in the Y-axis direction, and is connected to the movable portion 7.
- the second support portion 22 is disposed on the other side of the first torsion bar 11 in the Y-axis direction, and is connected to the movable portion 7.
- the third support portion 23 is disposed on one side of the second torsion bar 12 in the Y-axis direction, and is connected to the movable portion 7.
- the fourth support portion 24 is disposed on the other side of the second torsion bar 12 in the Y-axis direction, and the fourth support portion 24 is connected to the movable portion 7.
- the first support portion 21 includes a first main body portion 21 a, a first connection portion 21 b, and a first beam portion 21 c.
- the first main body portion 21 a extends in the X-axis direction in a state where a gap is formed between the first main body portion 21 a and the first torsion bar 11.
- the first main portion 21 a is formed of a part of the device layer 92.
- the first connection portion 21 b is connected to the first main portion 21 a and the movable portion 7.
- the first connection portion 21b is bridged between the first main portion 21a and the movable portion 7 (the frame 73 in the optical device 1).
- the first connection portion 21 b is formed by a part of the device layer 92.
- the first connection portion 21 b has a bent shape so as to be separated from a portion of the first torsion bar 11 connected to the movable portion 7.
- the first beam portion 21c is formed on the first main portion 21a and the first connection portion 21b such that the thickness of the first support portion 21 in the Z-axis direction is larger than the thickness of the first torsion bar 11 in the Z-axis direction. It is formed.
- the first beam portion 21 c extends over the first main portion 21 a and the first connection portion 21 b and is connected to the frame beam portion 76.
- the first beam portion 21 c is formed of the handle layer 91 and a part of the intermediate layer 93.
- the width of the first beam portion 21c in the Y-axis direction is smaller than the width of the first main portion 21a in the Y-axis direction.
- the first beam portion 21c is formed on the surface 92b of the device layer 92 that constitutes the first main portion 21a and the first connection portion 21b.
- the first beam portion 21 c is a portion that protrudes from the surface 92 b of the device layer 92 that constitutes the first and second torsion bars 11 and 12 in the Z-axis direction.
- the second support 22 includes a second body 22 a, a second connection 22 b, and a second beam 22 c.
- the second main body 22 a extends in the X-axis direction with a gap formed between the second main body 22 a and the first torsion bar 11.
- the second main body 22 a is formed by a part of the device layer 92.
- the second connection portion 22 b is connected to the second main portion 22 a and the movable portion 7.
- the second connection portion 22 b is bridged between the second main portion 22 a and the movable portion 7 (the frame 73 in the optical device 1).
- the second connection portion 22 b is formed by a part of the device layer 92.
- the second connection portion 22 b has a shape bent away from a portion of the first torsion bar 11 connected to the movable portion 7.
- the second beam portion 22c is formed on the second main portion 22a and the second connection portion 22b such that the thickness of the second support portion 22 in the Z-axis direction is larger than the thickness of the first torsion bar 11 in the Z-axis direction. It is formed.
- the second beam portion 22 c extends across the second main portion 22 a and the second connection portion 22 b and is connected to the frame beam portion 76.
- the second beam portion 22 c is formed of the handle layer 91 and a part of the intermediate layer 93.
- the width of the second beam portion 22c in the Y-axis direction is smaller than the width of the second main portion 22a in the Y-axis direction.
- the second beam portion 22c is formed on the surface 92b of the device layer 92 constituting the second main portion 22a and the second connection portion 22b.
- the second beam portion 22 c is a portion protruding from the surface 92 b of the device layer 92 that constitutes the first and second torsion bars 11 and 12 in the Z-axis direction.
- the third support portion 23 includes a third main body portion 23a, a third connection portion 23b, and a third beam portion 23c.
- the third body portion 23 a extends in the X-axis direction with a gap formed between the third body portion 23 a and the second torsion bar 12.
- the third body portion 23 a is formed of a part of the device layer 92.
- the third connection portion 23 b is connected to the third main portion 23 a and the movable portion 7.
- the third connection portion 23 b is bridged between the third main portion 23 a and the movable portion 7 (the frame 73 in the optical device 1).
- the third connection portion 23 b is formed of a part of the device layer 92.
- the third connection portion 23 b has a bent shape so as to be separated from a portion of the second torsion bar 12 connected to the movable portion 7.
- the third beam portion 23c is formed on the third main portion 23a and the third connection portion 23b such that the thickness of the third support portion 23 in the Z-axis direction is larger than the thickness of the second torsion bar 12 in the Z-axis direction. It is formed.
- the third beam portion 23 c extends across the third main portion 23 a and the third connection portion 23 b and is connected to the frame beam portion 76.
- the third beam portion 23 c is formed of the handle layer 91 and a part of the intermediate layer 93.
- the width of the third beam portion 23c in the Y-axis direction is smaller than the width of the third main portion 23a in the Y-axis direction.
- the third beam portion 23c is formed on the surface 92b of the device layer 92 that constitutes the third main portion 23a and the third connection portion 23b.
- the third beam portion 23 c is a portion that protrudes from the surface 92 b of the device layer 92 that constitutes the first and second torsion bars 11 and 12 in the Z-axis direction.
- the fourth support portion 24 includes a fourth main body portion 24 a, a fourth connection portion 24 b, and a fourth beam portion 24 c.
- the fourth main body portion 24 a extends in the X-axis direction with a gap formed between the fourth main body portion 24 a and the second torsion bar 12.
- the fourth body portion 24 a is formed of a part of the device layer 92.
- the fourth connection portion 24 b is connected to the fourth main portion 24 a and the movable portion 7.
- the fourth connection portion 24 b is bridged between the fourth main body portion 24 a and the movable portion 7 (the frame 73 in the optical device 1).
- the fourth connection portion 24 b is formed by a part of the device layer 92.
- the fourth connection portion 24 b has a bent shape apart from a portion of the second torsion bar 12 connected to the movable portion 7.
- the fourth beam portion 24c is formed on the fourth main portion 24a and the fourth connection portion 24b such that the thickness of the fourth support portion 24 in the Z-axis direction is larger than the thickness of the second torsion bar 12 in the Z-axis direction. It is formed.
- the fourth beam portion 24 c extends over the fourth main portion 24 a and the fourth connection portion 24 b and is connected to the frame beam portion 76.
- the fourth beam portion 24 c is formed of the handle layer 91 and a part of the intermediate layer 93.
- the width of the fourth beam portion 24c in the Y-axis direction is smaller than the width of the fourth main portion 24a in the Y-axis direction.
- the fourth beam portion 24 c is formed on the surface 92 b of the device layer 92 constituting the fourth main portion 24 a and the fourth connection portion 24 b.
- the fourth beam portion 24 c is a portion that protrudes from the surface 92 b of the device layer 92 that constitutes the first and second torsion bars 11 and 12 in the Z-axis direction.
- the optical device 1 includes a first movable comb electrode 31, a second movable comb electrode 32, a third movable comb electrode 33, a fourth movable comb electrode 34, and a fifth movable comb electrode 35. And a sixth movable comb electrode 36.
- the first movable comb electrode 31 is provided in the first main portion 21 a of the first support portion 21.
- the second movable comb electrode 32 is provided on the second main body 22 a of the second support 22.
- the third movable comb electrode 33 is provided in the third main portion 23 a of the third support portion 23.
- the fourth movable comb electrode 34 is provided in the fourth main portion 24 a of the fourth support portion 24.
- the fifth movable comb electrode 35 is provided at a portion of the movable portion 7 including the first end 7 a.
- the first end 7 a is an end on one side of the movable portion 7 in the Y-axis direction.
- a portion of the frame 73 between the first connection portion 21 b of the first support portion 21 and the third connection portion 23 b of the third support portion 23 and including the first end portion 7 a A fifth movable comb electrode 35 is provided.
- the sixth movable comb electrode 36 is provided in a portion of the movable portion 7 including the second end 7 b.
- the second end 7 b is the other end of the movable portion 7 in the Y-axis direction.
- a sixth movable comb electrode 36 is provided.
- the first movable comb electrode 31 is formed of a part of the device layer 92.
- the first movable comb electrode 31 is disposed between the first main portion 21 a of the first support portion 21 and the first end 7 a of the movable portion 7 when viewed in the X-axis direction.
- the first movable comb electrode 31 has a plurality of first movable combs 31 a.
- Each of the first movable comb teeth 31 a is provided on the side surface of the first main portion 21 a of the first support portion 21 opposite to the first torsion bar 11.
- Each of the first movable comb teeth 31 a extends along a plane perpendicular to the X-axis direction.
- the plurality of first movable comb teeth 31a are arranged such that the distance between the first movable comb teeth 31a adjacent to each other in the X-axis direction is constant.
- the second movable comb electrode 32 is formed of a part of the device layer 92.
- the second movable comb electrode 32 is disposed between the second main body portion 22 a of the second support portion 22 and the second end 7 b of the movable portion 7 when viewed in the X-axis direction.
- the second movable comb electrode 32 has a plurality of second movable comb teeth 32 a.
- the second movable comb teeth 32 a are provided on the side surface of the second main body 22 a of the second support 22 opposite to the first torsion bar 11.
- Each second movable comb 32a extends along a plane perpendicular to the X-axis direction.
- the plurality of second movable comb teeth 32a are arranged such that the distance between the second movable comb teeth 32a adjacent to each other in the X-axis direction is constant.
- the third movable comb electrode 33 is formed of a part of the device layer 92.
- the third movable comb electrode 33 is disposed between the third main body portion 23 a of the third support portion 23 and the first end 7 a of the movable portion 7 when viewed in the X-axis direction.
- the third movable comb electrode 33 has a plurality of third movable combs 33 a.
- the third movable comb teeth 33 a are provided on the side surface of the third main body 23 a of the third support 23 opposite to the second torsion bar 12.
- Each third movable comb 33a extends along a plane perpendicular to the X-axis direction.
- the plurality of third movable comb teeth 33a are arranged such that the distance between the third movable comb teeth 33a adjacent to each other in the X-axis direction is constant.
- the fourth movable comb electrode 34 is formed of a part of the device layer 92.
- the fourth movable comb electrode 34 is disposed between the fourth main portion 24 a of the fourth support portion 24 and the second end 7 b of the movable portion 7 when viewed in the X-axis direction.
- the fourth movable comb electrode 34 has a plurality of fourth movable combs 34 a.
- the fourth movable comb teeth 34 a are provided on the side surface of the fourth main body 24 a of the fourth support portion 24 opposite to the second torsion bar 12.
- Each fourth movable comb 34 a extends along a plane perpendicular to the X-axis direction.
- the plurality of fourth movable comb teeth 34a are arranged such that the distance between the fourth movable comb teeth 34a adjacent to each other in the X-axis direction is constant.
- the fifth movable comb electrode 35 is formed of part of the device layer 92.
- the fifth movable comb electrode 35 has a plurality of fifth movable combs 35 a.
- the fifth movable comb teeth 35 a are provided on the side of the frame 73 including the first end 7 a on the side opposite to the fifth main body 72.
- Each fifth movable comb 35 a extends along a plane perpendicular to the X-axis direction.
- the plurality of fifth movable comb teeth 35a are arranged such that the distance between the fifth movable comb teeth 35a adjacent to each other in the X-axis direction is constant.
- the sixth movable comb electrode 36 is formed of part of the device layer 92.
- the sixth movable comb electrode 36 has a plurality of sixth movable combs 36 a.
- Each sixth movable comb 36 a is provided on the side of the frame 73 including the second end 7 b on the side opposite to the fifth main body 72.
- Each sixth movable comb 36 a extends along a plane perpendicular to the X-axis direction.
- the plurality of sixth movable comb teeth 36 a are arranged such that the distance between the sixth movable comb teeth 36 a adjacent to each other in the X-axis direction is constant.
- the optical device 1 includes a first fixed comb electrode 41, a second fixed comb electrode 42, a third fixed comb electrode 43, a fourth fixed comb electrode 44, and a fifth fixed comb electrode 45. And a sixth fixed comb electrode 46.
- the first fixed comb electrode 41, the second fixed comb electrode 42, the third fixed comb electrode 43, the fourth fixed comb electrode 44, the fifth fixed comb electrode 45, and the sixth fixed comb electrode 46 have bases It is provided in 5.
- the first fixed comb electrode 41 is formed of a part of the device layer 92.
- the first fixed comb electrode 41 has a plurality of first fixed comb teeth 41 a.
- Each of the first fixed comb teeth 41 a is provided on the side surface of the base 5 that faces the side surface of the first main portion 21 a provided with the plurality of first movable comb teeth 31 a.
- Each first fixed comb tooth 41 a extends along a plane perpendicular to the X-axis direction.
- the plurality of first fixed comb teeth 41a are arranged such that the distance between the first fixed comb teeth 41a adjacent to each other in the X-axis direction is constant, and are alternately arranged with the plurality of first movable comb teeth 31a. ing.
- the adjacent first movable comb teeth 31 a and the first fixed comb teeth 41 a face each other in the X-axis direction.
- the distance between the adjacent first movable comb teeth 31 a and the first fixed comb teeth 41 a is, for example, about several ⁇ m.
- the second fixed comb electrode 42 is formed of a part of the device layer 92.
- the second fixed comb electrode 42 has a plurality of second fixed comb teeth 42 a.
- Each second fixed comb tooth 42 a is provided on the side surface of the base 5 that faces the side surface of the second main body 22 a provided with the plurality of second movable comb teeth 32 a.
- Each second fixed comb tooth 42 a extends along a plane perpendicular to the X-axis direction.
- the plurality of second fixed comb teeth 42a are arranged such that the distance between the second fixed comb teeth 42a adjacent to each other in the X-axis direction is constant, and are alternately arranged with the plurality of second movable comb teeth 32a. ing.
- the adjacent second movable comb teeth 32 a and the second fixed comb teeth 42 a face each other in the X-axis direction.
- the distance between the adjacent second movable comb teeth 32 a and the second fixed comb teeth 42 a is, for example, about several ⁇ m.
- the third fixed comb electrode 43 is formed of a part of the device layer 92.
- the third fixed comb electrode 43 has a plurality of third fixed comb teeth 43a.
- Each third fixed comb tooth 43a is provided on the side surface of the base 5 opposite to the side surface of the third main body 23a provided with the plurality of third movable comb teeth 33a.
- Each third fixed comb tooth 43a extends along a plane perpendicular to the X-axis direction.
- the plurality of third fixed comb teeth 43a are arranged such that the distance between the third fixed comb teeth 43a adjacent to each other in the X-axis direction is constant, and are alternately arranged with the plurality of third movable comb teeth 33a. ing.
- the third movable comb teeth 33a and the third fixed comb teeth 43a adjacent to each other face each other in the X-axis direction.
- the distance between the adjacent third movable comb teeth 33a and the third fixed comb teeth 43a is, for example, about several ⁇ m.
- the fourth fixed comb electrode 44 is formed of a part of the device layer 92.
- the fourth fixed comb electrode 44 has a plurality of fourth fixed comb teeth 44 a.
- Each fourth fixed comb tooth 44 a is provided on the side surface of the base 5 opposite to the side surface of the fourth main body 24 a provided with the plurality of fourth movable comb teeth 34 a.
- Each fourth fixed comb tooth 44 a extends along a plane perpendicular to the X-axis direction.
- the plurality of fourth fixed comb teeth 44a are arranged such that the distance between the fourth fixed comb teeth 44a adjacent to each other in the X-axis direction is constant, and are alternately arranged with the plurality of fourth movable comb teeth 34a. ing.
- the fourth movable comb teeth 34a and the fourth fixed comb teeth 44a adjacent to each other face each other in the X-axis direction.
- the distance between the adjacent fourth movable comb teeth 34 a and the fourth fixed comb teeth 44 a is, for example, about several ⁇ m.
- the fifth fixed comb electrode 45 is formed of a part of the device layer 92.
- the fifth fixed comb electrode 45 has a plurality of fifth fixed comb teeth 45 a.
- Each fifth fixed comb tooth 45 a is provided on the side surface of the base 5 that faces the side surface of the frame 73 provided with the plurality of fifth movable comb teeth 35 a.
- Each fifth fixed comb tooth 45 a extends along a plane perpendicular to the X-axis direction.
- the plurality of fifth fixed comb teeth 45 a are arranged such that the distance between the fifth fixed comb teeth 45 a adjacent to each other in the X-axis direction is constant, and are alternately arranged with the plurality of fifth movable comb teeth 35 a ing.
- the adjacent fifth movable comb teeth 35a and the fifth fixed comb teeth 45a face each other in the X-axis direction.
- the distance between the adjacent fifth movable comb teeth 35a and the fifth fixed comb teeth 45a is, for example, about several ⁇ m.
- the sixth fixed comb electrode 46 is formed of a part of the device layer 92.
- the sixth fixed comb electrode 46 has a plurality of sixth fixed comb teeth 46 a.
- Each sixth fixed comb tooth 46 a is provided on the side surface of the base 5 that faces the side surface of the frame 73 provided with the plurality of sixth movable comb teeth 36 a.
- Each sixth fixed comb tooth 46 a extends along a plane perpendicular to the X-axis direction.
- the plurality of sixth fixed comb teeth 46a are arranged such that the distance between the sixth fixed comb teeth 46a adjacent to each other in the X-axis direction is constant, and are alternately arranged with the plurality of sixth movable comb teeth 36a ing.
- the sixth movable comb teeth 36a and the sixth fixed comb teeth 46a adjacent to each other face each other in the X-axis direction.
- the distance between the adjacent sixth movable comb teeth 36 a and the sixth fixed comb teeth 46 a is, for example, about several ⁇ m.
- a plurality of electrode pads 2, 3, 4 are provided on the surface 92 a of the device layer 92 constituting the base 5.
- a plurality of wiring portions 51, 52, 53 are formed in the device layer 92 constituting the base 5 by a part of which is defined by a groove.
- Each electrode pad 2 includes a first movable comb electrode 31, a second movable comb electrode 32, a third movable comb electrode 33, a fourth movable comb electrode 34, and a fifth movable comb via the wiring portions 51. It is electrically connected to the tooth electrode 35 and the sixth movable comb electrode 36.
- the electrode pad 3 located in the vicinity of the fifth fixed comb electrode 45 is electrically connected to the fifth fixed comb electrode 45 via the wiring portion 52 located in the vicinity of the fifth fixed comb electrode 45.
- the electrode pad 3 located in the vicinity of the sixth fixed comb electrode 46 is electrically connected to the sixth fixed comb electrode 46 via the wiring portion 52 located in the vicinity of the sixth fixed comb electrode 46.
- the electrode pad 4 located in the vicinity of the first fixed comb electrode 41 is electrically connected to the first fixed comb electrode 41 via the wiring portion 53 located in the vicinity of the first fixed comb electrode 41.
- the electrode pad 4 positioned in the vicinity of the second fixed comb electrode 42 is electrically connected to the second fixed comb electrode 42 via the wiring portion 53 positioned in the vicinity of the second fixed comb electrode 42.
- the electrode pad 4 located in the vicinity of the third fixed comb electrode 43 is electrically connected to the third fixed comb electrode 43 via the wiring portion 53 located in the vicinity of the third fixed comb electrode 43.
- the electrode pad 4 positioned in the vicinity of the fourth fixed comb electrode 44 is electrically connected to the fourth fixed comb electrode 44 via the wiring portion 53 positioned in the vicinity of the fourth fixed comb electrode 44.
- FIG. 3 and FIG. 4 the illustration of the plurality of electrode pads 2, 3 and 4 is omitted.
- the fifth movable comb electrode 35 and the fifth fixed comb electrode 45, and the sixth movable comb electrode 36 and the sixth fixed comb electrode 46 are used as driving electrodes. Specifically, the fifth movable comb electrode 35 and the fifth fixed comb electrode 45 and the sixth movable comb electrode 36 and the sixth fixed comb electrode are interposed between the plurality of electrode pads 2 and 3. A voltage is applied periodically between each of the two. As a result, electrostatic force is generated between the fifth movable comb electrode 35 and the fifth fixed comb electrode 45 and between the sixth movable comb electrode 36 and the sixth fixed comb electrode 46, respectively. The cooperation of the electrostatic force and the repulsive force generated in the first torsion bar 11 and the second torsion bar 12 causes the movable portion 7 to swing about the axis L1 (that is, the optical function portion 71 swings). To do).
- a first movable comb electrode 31 and a first fixed comb electrode 41, a second movable comb electrode 32 and a second fixed comb electrode 42, a third movable comb electrode 33 and a third fixed comb electrode 43, and The fourth movable comb electrode 34 and the fourth fixed comb electrode 44 are used as electrodes for monitoring. Specifically, between the first movable comb electrode 31 and the first fixed comb electrode 41, the second movable comb electrode 32 and the second fixed comb electrode 42 via the plurality of electrode pads 2 and 4. Between the third movable comb electrode 33 and the third fixed comb electrode 43 and between the fourth movable comb electrode 34 and the fourth fixed comb electrode 44 Be done.
- the capacitance changes in accordance with the swing angle of the movable portion 7 (that is, the swing angle of the optical function portion 71). Therefore, by adjusting the drive signal (the magnitude of the voltage to be applied, the period, etc.) according to the detected capacitance, the swing angle of the movable portion 7 (that is, the swing angle of the optical function portion 71) is Feedback can be controlled.
- parts excluding the optical function part 71 and the plurality of electrode pads 3 and 4 are integrally formed on the SOI substrate 9 by MEMS technology (patterning and etching).
- MEMS technology patterning and etching
- at least a portion integrally formed in the SOI substrate 9 exhibits a shape that is line symmetrical with respect to the axis L1 and line symmetrical with respect to the axis L2 when viewed from the Z-axis direction.
- the first and second movable ends 7 a of the movable portion 7 are the first and second
- the second and fourth movable comb electrodes 32, 34 are located on the torsion bars 11, 12, and when viewed from the X-axis direction, the first and the fourth movable comb electrodes 32 and 34 are closer to the first and second ends 7b of the movable portion 7. (2) It is located on the side of the torsion bars 11 and 12.
- the fixed comb teeth (the first fixed comb teeth 41a, the second fixed comb teeth 42a, the third fixed comb teeth 43a and the third fixed comb teeth 41a) are mutually adjacent
- the entire movable comb (each of the first movable comb 31a, the second movable comb 32a, the third movable comb 33a, and the fourth movable comb 34a) is separated from the region between the four fixed combs 44a) Can be suppressed.
- the thickness of each of the first and second support portions 21 and 22 in the Z-axis direction is the first in the Z-axis direction.
- the thickness of each of the third and fourth support portions 23 and 24 in the Z-axis direction is greater than the thickness of the torsion bar 11 and the third and fourth beam portions 23c and 24c are formed.
- the thickness of the second torsion bar 12 in the Z-axis direction is possible to suppress the distortion of the first, second, third and fourth support portions 21, 22, 23, 24 when the movable portion 7 is swinging.
- the first, second, third and fourth movable comb electrodes 31, 32, 33 and 34 can be integrally rocked with the movable portion 7, and the movable comb and the fixed comb adjacent to each other are It is possible to suppress the variation of the interval between Thus, the optical device 1 with high reliability can be obtained.
- first, second, third, and fourth support portions 21 in the Y-axis direction are used to suppress the distortion of the first, second, third, and fourth support portions 21, 22, 23, 24.
- the thickness of the first, second, third, and fourth support portions 21, 22, 23, 24 in the Z-axis direction is larger than the width of the fourth support portions 21, 22, 23, 24 as compared to the increase in width. This is more effective in suppressing the deformation.
- the first one in the Y-axis direction When the widths of the second, third and fourth supports 21, 22, 23 and 24 are increased, the mass of the first, second, third and fourth supports 21, 22, 23 and 24 is increased, and resonance is caused. It is disadvantageous for swinging the movable part 7 at the frequency level. Further, the distance from the first and second torsion bars 11 and 12 to the first, second, third and fourth movable comb electrodes 31, 32, 33 and 34 in the Y axis direction is the distance in the Y axis direction.
- At least a portion integrally formed on the SOI substrate 9 and excluding the plurality of electrode pads 3 and 4 is line symmetrical with respect to the axis L1 when viewed from the Z-axis direction. And has a shape that is line symmetrical with respect to the axis L2.
- the movable portion 7 can be rocked in a well-balanced manner with the axis L1 as a center line.
- the third main body portion 23a and the fourth main body portion 24a of the fourth support portion 24 extend along the X-axis direction. Thereby, each part can be arrange
- the first connection portion 21 b of the first support portion 21 has a shape bent so as to be separated from the first torsion bar 11, and the second connection portion 22 b of the second support portion 22 is
- the third connecting portion 23b of the third support portion 23 has a bent shape so as to be separated from the second torsion bar 12.
- the fourth connection portion 24 b of the portion 24 has a bent shape so as to be separated from the second torsion bar 12.
- first and second main body portions 21a and 22a can be brought closer to the first torsion bar 11, and the third and fourth main body portions 23a and 24a can be brought closer to the second torsion bar 12. Therefore, even if the movable portion 7 is largely oscillated with the axis L1 as the center line, it is possible to suppress the entire movable comb from being deviated from the region between the fixed comb teeth adjacent to each other.
- the first torsion bar 11 is connected to the movable portion 7 so that the curvatures of the outer edge of the first torsion bar 11 and the outer edge of the movable portion 7 are continuous when viewed in the Z-axis direction
- the second torsion bar 12 is connected to the movable portion 7 so that the curvatures of the outer edge of the second torsion bar 12 and the outer edge of the movable portion 7 are continuous when viewed in the Z-axis direction.
- the optical device 1 voltages are respectively applied between the fifth movable comb electrode 35 and the fifth fixed comb electrode 45 and between the sixth movable comb electrode 36 and the sixth fixed comb electrode 46. By applying these electrodes, these electrodes can be used as driving electrodes.
- the fifth movable comb electrode 35 is larger in distance from the first and second torsion bars 11 and 12 in the Y-axis direction than the first movable comb electrode 31 and the third movable comb electrode 33.
- the sixth movable comb electrode 36 is larger than the second movable comb electrode 32 and the fourth movable comb electrode 34.
- the connection beam 77 connected to the portion 76 is provided in the movable portion 7, and the first, second, third, and fourth supporting portions 21, 22, 23, 24 have the first, second, and the fourth, respectively.
- the third and fourth beam portions 21 c, 22 c, 23 c and 24 c are connected to the frame beam portion 76.
- the movable portion 7 and the first, second, third and fourth supporting portions 21, 22, 23, 24 are not easily distorted as one, the distance between the movable comb and the fixed comb which are adjacent to each other fluctuates. Can be suppressed more reliably.
- the plurality of fifth connection portions 74 respectively correspond to the first end 7a (position between the first end 7a and the central position of the movable portion 7), the second end The position corresponding to the portion 7 b (the position between the second end 7 b and the center position of the movable portion 7), the position on the extension of the first torsion bar 11, and the position on the extension of the second torsion bar 12 It is done.
- the difference between the resonant frequency of the swing of the movable portion 7 and the resonant frequency of the other mode is increased, and the swing of the movable portion 7 is It is possible to prevent the mode from being superimposed.
- the optical function unit 71 is a mirror. Thereby, for example, laser light can be suitably scanned in a predetermined region.
- the widths of the first, second, third and fourth beam portions 21c, 22c, 23c and 24c in the Y axis direction are respectively the first, second, third and fourth body portions in the Y axis direction. It may be the same as the width of 21a, 22a, 23a, 24a.
- the first, second, third and fourth beam portions 21c, 22c, 23c and 24c may extend obliquely to the X-axis direction or in a zigzag shape. .
- the first, second, third, and fourth beam portions 21c, 22c, 23c, and 24c are in the Z-axis direction from the viewpoint of swinging the movable portion 7 in a balanced manner with the axis L1 as the center line
- the plurality of fifth connection portions 74 respectively correspond to the positions corresponding to the first end portion 7 a (the first end portion 7 a and the center position of the movable portion 7). And a position corresponding to the second end 7 b (a position between the second end 7 b and the center position of the movable portion 7), and a position on the extension of the first torsion bar 11. , And may not be disposed on the extension of the second torsion bar 12. In this case, the influence of the twisting of the first and second torsion bars 11 and 12 is further difficult to be transmitted to the optical function unit 71, so that distortion of the optical function unit 71 can be suppressed more reliably.
- the optical device 1 may not have the fifth and sixth movable comb electrodes 35 and 36 and the fifth and sixth fixed comb electrodes 45 and 46. . That is, the movable comb electrode may not be provided on the movable portion 7. In this case, between the first movable comb electrode 31 and the first fixed comb electrode 41, between the second movable comb electrode 32 and the second fixed comb electrode 42, and the third movable comb electrode 33 and the third By applying a voltage between each of the third fixed comb electrode 43 and the fourth movable comb electrode 34 and the fourth fixed comb electrode 44, these electrodes are used as driving electrodes. Can.
- the movable portion 7 can be grasped in the entire range in which the movable portion 7 swings. Further, in this case, the structure of the movable portion 7 can be simplified. Furthermore, weight reduction of the movable portion 7 and extension of the resonance frequency of the oscillation of the movable portion 7 can be achieved, and the movable portion 7 can be oscillated at a higher speed.
- the optical function unit 71 may be other than a mirror, and for example, an optical element such as a lens may be disposed.
- the main body beam portion 75 is not limited to one extending along the outer edge of the fifth main body portion 72, and may extend, for example, across the fifth main body portion 72.
- the movable portion 7 may not have the connection beam portion 77 connected to the main body beam portion 75 and the frame beam portion 76 in each fifth connection portion 74. Also in this case, distortion of the optical function unit 71 and the first, second, third, and fourth supporting units 21, 22, 23, 24 can be reliably suppressed.
- first movable comb teeth 31a and the first fixed comb teeth 41a adjacent to each other face each other in the X-axis direction
- first movable comb teeth 31a and the first fixed comb teeth 41a are perpendicular to the X-axis direction. It does not have to extend along a flat plane.
- the first movable comb teeth 31a and the first fixed comb teeth 41a may extend with respect to a plane perpendicular to the X-axis direction, or when viewed from the Z-axis direction It may have an arcuately curved shape.
- the side surfaces of the first movable comb teeth 31a facing each other and the side surfaces of the first fixed comb teeth 41a may face each other in the X-axis direction.
- These points are the second movable comb 32a and the second fixed comb 42a, the third movable comb 33a and the third fixed comb 43a, the fourth movable comb 34a and the fourth fixed comb 44a, and the fifth movable
- Third support portion 23a third main body portion 23b: third connection portion 23c: third beam portion 24: fourth support portion 24a: fourth main body portion 24b: fourth connection portion 24c: fourth portion 4 beam portion 31 first movable comb electrode 31 a first movable comb 32 second movable comb electrode 32 a second movable comb, 33 third movable comb electrode 33 a third 3 movable comb, 34 ... fourth movable comb electrode 34a ... fourth movable comb, 35 ... fifth movable comb electrode 35a ...
- fifth movable comb 36
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Abstract
Description
Claims (10)
- ベースと、
光学機能部を有する可動部と、
第1方向において前記可動部の一方の側に配置され、前記ベース及び前記可動部に接続された第1トーションバーと、
前記第1方向において前記可動部の他方の側に配置され、前記ベース及び前記可動部に接続された第2トーションバーと、
前記第1方向に垂直な第2方向において前記第1トーションバーの一方の側に配置され、前記可動部に接続された第1支持部と、
前記第2方向において前記第1トーションバーの他方の側に配置され、前記可動部に接続された第2支持部と、
前記第2方向において前記第2トーションバーの前記一方の側に配置され、前記可動部に接続された第3支持部と、
前記第2方向において前記第2トーションバーの前記他方の側に配置され、前記可動部に接続された第4支持部と、
前記第1支持部に設けられ、複数の第1可動櫛歯を有する第1可動櫛歯電極と、
前記第2支持部に設けられ、複数の第2可動櫛歯を有する第2可動櫛歯電極と、
前記第3支持部に設けられ、複数の第3可動櫛歯を有する第3可動櫛歯電極と、
前記第4支持部に設けられ、複数の第4可動櫛歯を有する第4可動櫛歯電極と、
前記ベースに設けられ、前記複数の第1可動櫛歯と互い違いに配置された複数の第1固定櫛歯を有する第1固定櫛歯電極と、
前記ベースに設けられ、前記複数の第2可動櫛歯と互い違いに配置された複数の第2固定櫛歯を有する第2固定櫛歯電極と、
前記ベースに設けられ、前記複数の第3可動櫛歯と互い違いに配置された複数の第3固定櫛歯を有する第3固定櫛歯電極と、
前記ベースに設けられ、前記複数の第4可動櫛歯と互い違いに配置された複数の第4固定櫛歯を有する第4固定櫛歯電極と、を備え、
隣り合う前記第1可動櫛歯と前記第1固定櫛歯とは、前記第1方向において互いに向かい合っており、
隣り合う前記第2可動櫛歯と前記第2固定櫛歯とは、前記第1方向において互いに向かい合っており、
隣り合う前記第3可動櫛歯と前記第3固定櫛歯とは、前記第1方向において互いに向かい合っており、
隣り合う前記第4可動櫛歯と前記第4固定櫛歯とは、前記第1方向において互いに向かい合っており、
前記第1可動櫛歯電極は、前記第1方向から見た場合に、前記第1支持部と前記第2方向における前記可動部の前記一方の側の第1端部との間に配置されており、
前記第2可動櫛歯電極は、前記第1方向から見た場合に、前記第2支持部と前記第2方向における前記可動部の前記他方の側の第2端部との間に配置されており、
前記第3可動櫛歯電極は、前記第1方向から見た場合に、前記第3支持部と前記可動部の前記第1端部との間に配置されており、
前記第4可動櫛歯電極は、前記第1方向から見た場合に、前記第4支持部と前記可動部の前記第2端部との間に配置されており、
前記第1支持部は、前記第1方向及び前記第2方向に垂直な第3方向における前記第1支持部の厚さが前記第3方向における前記第1トーションバーの厚さよりも大きくなるように形成された第1梁部を有し、
前記第2支持部は、前記第3方向における前記第2支持部の厚さが前記第3方向における前記第1トーションバーの厚さよりも大きくなるように形成された第2梁部を有し、
前記第3支持部は、前記第3方向における前記第3支持部の厚さが前記第3方向における前記第2トーションバーの厚さよりも大きくなるように形成された第3梁部を有し、
前記第4支持部は、前記第3方向における前記第4支持部の厚さが前記第3方向における前記第2トーションバーの厚さよりも大きくなるように形成された第4梁部を有する、光学デバイス。 - 前記第1支持部は、前記第1可動櫛歯電極が設けられた第1本体部を更に有し、
前記第2支持部は、前記第2可動櫛歯電極が設けられた第2本体部を更に有し、
前記第3支持部は、前記第3可動櫛歯電極が設けられた第3本体部を更に有し、
前記第4支持部は、前記第4可動櫛歯電極が設けられた第4本体部を更に有し、
前記第1トーションバー、前記第1本体部及び前記第2本体部、並びに、前記第2トーションバー、前記第3本体部及び前記第4本体部は、前記第1方向に沿って延在している、請求項1に記載の光学デバイス。 - 前記第1支持部は、前記第1本体部及び前記可動部に接続された第1接続部を更に有し、前記第1接続部は、前記第1トーションバーから離れるように屈曲した形状を呈しており、
前記第2支持部は、前記第2本体部及び前記可動部に接続された第2接続部を更に有し、前記第2接続部は、前記第1トーションバーから離れるように屈曲した形状を呈しており、
前記第3支持部は、前記第3本体部及び前記可動部に接続された第3接続部を更に有し、前記第3接続部は、前記第2トーションバーから離れるように屈曲した形状を呈しており、
前記第4支持部は、前記第4本体部及び前記可動部に接続された第4接続部を更に有し、前記第4接続部は、前記第2トーションバーから離れるように屈曲した形状を呈している、請求項2に記載の光学デバイス。 - 前記第1トーションバーは、前記第3方向から見た場合に前記第1トーションバーの外縁及び前記可動部の外縁の曲率が連続するように、前記可動部に接続されており、
前記第2トーションバーは、前記第3方向から見た場合に前記第2トーションバーの外縁及び前記可動部の外縁の曲率が連続するように、前記可動部に接続されている、請求項1~3のいずれか一項に記載の光学デバイス。 - 前記可動部のうち前記第1端部を含む部分に設けられ、複数の第5可動櫛歯を有する第5可動櫛歯電極と、
前記可動部のうち前記第2端部を含む部分に設けられ、複数の第6可動櫛歯を有する第6可動櫛歯電極と、
前記ベースに設けられ、前記複数の第5可動櫛歯と互い違いに配置された複数の第5固定櫛歯を有する第5固定櫛歯電極と、
前記ベースに設けられ、前記複数の第6可動櫛歯と互い違いに配置された複数の第6固定櫛歯を有する第6固定櫛歯電極と、を更に備え、
隣り合う前記第5可動櫛歯と前記第5固定櫛歯とは、前記第1方向において互いに向かい合っており、
隣り合う前記第6可動櫛歯と前記第6固定櫛歯とは、前記第1方向において互いに向かい合っている、請求項1~4のいずれか一項に記載の光学デバイス。 - 前記可動部には、可動櫛歯電極が設けられていない、請求項1~4のいずれか一項に記載の光学デバイス。
- 前記可動部は、前記光学機能部が設けられた第5本体部と、前記第3方向から見た場合に前記第5本体部を囲むフレームと、前記第5本体部及び前記フレームに接続された複数の第5接続部と、前記第5本体部に設けられた本体梁部と、前記フレームに沿って延在するフレーム梁部と、を更に有し、
前記第1梁部、前記第2梁部、前記第3梁部及び前記第4梁部は、前記フレーム梁部に接続されている、請求項1~6のいずれか一項に記載の光学デバイス。 - 前記可動部は、前記複数の第5接続部のそれぞれにおいて前記本体梁部及び前記フレーム梁部に接続された接続梁部を更に有する、請求項7に記載の光学デバイス。
- 前記複数の第5接続部は、前記可動部の前記第1端部及び前記第2端部に対応する位置に配置されている、請求項7又は8に記載の光学デバイス。
- 前記光学機能部は、ミラーである、請求項1~9のいずれか一項に記載の光学デバイス。
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6778134B2 (ja) * | 2017-03-14 | 2020-10-28 | 浜松ホトニクス株式会社 | 光モジュール及びその実装方法 |
US11561388B2 (en) | 2017-03-14 | 2023-01-24 | Hamamatsu Photonics K.K. | Light module |
US11513339B2 (en) | 2017-03-14 | 2022-11-29 | Hamamatsu Photonics K.K. | Optical module |
JP6514804B1 (ja) * | 2017-07-06 | 2019-05-15 | 浜松ホトニクス株式会社 | 光学デバイス |
WO2019009393A1 (ja) | 2017-07-06 | 2019-01-10 | 浜松ホトニクス株式会社 | 光学デバイス及びその製造方法 |
US11635615B2 (en) * | 2017-12-21 | 2023-04-25 | Mitsumi Electric Co., Ltd. | Actuator, optical scanning device, and manufacturing methods |
JP6688917B1 (ja) * | 2019-01-30 | 2020-04-28 | 浜松ホトニクス株式会社 | 光モジュール、信号処理システム及び信号処理方法 |
WO2021146583A1 (en) * | 2020-01-16 | 2021-07-22 | Magic Leap, Inc. | Scanning mirror systems and methods of manufacture |
WO2021150781A1 (en) | 2020-01-22 | 2021-07-29 | Magic Leap, Inc. | Two mirror scanning relay optics |
US12061333B2 (en) | 2020-06-04 | 2024-08-13 | Magic Leap, Inc. | Two-dimensional micro-electrical mechanical system mirror and actuation method |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050194650A1 (en) | 2004-03-08 | 2005-09-08 | Opus Microsystems Application Corp. | Micromechanical actuator with multiple-plane comb electrodes and methods of making |
JP2008083122A (ja) * | 2006-09-26 | 2008-04-10 | Matsushita Electric Works Ltd | 可動構造体及びそれを備えた光学素子 |
JP2009171394A (ja) * | 2008-01-18 | 2009-07-30 | Oki Semiconductor Co Ltd | 共振器 |
JP2012042666A (ja) * | 2010-08-18 | 2012-03-01 | Ricoh Co Ltd | 光偏向器、光走査装置、画像形成装置及び画像投影装置 |
US20120099176A1 (en) * | 2010-10-20 | 2012-04-26 | Zhou Tiansheng | Micro-electro-mechanical systems micromirrors and micromirror arrays |
JP2014238581A (ja) * | 2014-06-24 | 2014-12-18 | ミツミ電機株式会社 | 光走査装置 |
Family Cites Families (139)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01295486A (ja) | 1988-05-24 | 1989-11-29 | Mitsubishi Electric Corp | 厚板導体付プリント配線板の製造方法 |
JPH05160545A (ja) | 1991-12-06 | 1993-06-25 | Hitachi Ltd | プリント配線板の製法 |
CA2154357C (en) | 1993-02-04 | 2004-03-02 | Kevin A. Shaw | Microstructures and single-mask, single-crystal process for fabrication thereof |
US6384952B1 (en) | 1997-03-27 | 2002-05-07 | Mems Optical Inc. | Vertical comb drive actuated deformable mirror device and method |
US6392220B1 (en) | 1998-09-02 | 2002-05-21 | Xros, Inc. | Micromachined members coupled for relative rotation by hinges |
JP3552601B2 (ja) | 1998-11-16 | 2004-08-11 | 日本ビクター株式会社 | 光偏向子及びこれを用いた表示装置 |
US6507138B1 (en) | 1999-06-24 | 2003-01-14 | Sandia Corporation | Very compact, high-stability electrostatic actuator featuring contact-free self-limiting displacement |
US6541831B2 (en) | 2000-01-18 | 2003-04-01 | Cornell Research Foundation, Inc. | Single crystal silicon micromirror and array |
KR100738064B1 (ko) | 2001-02-27 | 2007-07-12 | 삼성전자주식회사 | 비선형적 복원력의 스프링을 가지는 mems 소자 |
JP2003029178A (ja) | 2001-07-17 | 2003-01-29 | Mitsubishi Cable Ind Ltd | 光スイッチの製造方法 |
US20040004775A1 (en) | 2002-07-08 | 2004-01-08 | Turner Arthur Monroe | Resonant scanning mirror with inertially coupled activation |
CN1318878C (zh) | 2002-08-14 | 2007-05-30 | 富士通株式会社 | 具有扭杆的微型摇动元件 |
KR100486716B1 (ko) | 2002-10-18 | 2005-05-03 | 삼성전자주식회사 | 2-d 액튜에이터 및 그 제조방법 |
JP4102158B2 (ja) * | 2002-10-24 | 2008-06-18 | 富士通株式会社 | マイクロ構造体の製造方法 |
US20040160118A1 (en) | 2002-11-08 | 2004-08-19 | Knollenberg Clifford F. | Actuator apparatus and method for improved deflection characteristics |
JP3956839B2 (ja) | 2002-11-26 | 2007-08-08 | ブラザー工業株式会社 | 光走査装置および光走査装置を備えた画像形成装置 |
JP2004215534A (ja) | 2003-01-10 | 2004-08-05 | Nogyo Kagaku Kenkyusho:Kk | 農園芸作物栽培方法 |
US6947188B2 (en) | 2003-03-18 | 2005-09-20 | The Regents Of The University Of California | High stroke pixel for a deformable mirror |
JP2004325578A (ja) | 2003-04-22 | 2004-11-18 | Fujitsu Ltd | 偏向ミラー |
JP4151959B2 (ja) | 2003-06-19 | 2008-09-17 | 株式会社リコー | 振動ミラー及びその製造方法、光書込装置、画像形成装置 |
JP2005107180A (ja) | 2003-09-30 | 2005-04-21 | Japan Aviation Electronics Industry Ltd | 微小光デバイスおよびその作製方法 |
KR20050043423A (ko) | 2003-11-06 | 2005-05-11 | 삼성전자주식회사 | 주파수 변조 가능한 공진형 스캐너 |
US8729770B1 (en) | 2003-12-02 | 2014-05-20 | Adriatic Research Institute | MEMS actuators with combined force and bi-directional rotation |
JP4422624B2 (ja) * | 2004-03-03 | 2010-02-24 | 日本航空電子工業株式会社 | 微小可動デバイス及びその作製方法 |
JP4461870B2 (ja) | 2004-03-26 | 2010-05-12 | ブラザー工業株式会社 | 光走査装置およびそれを備えた画像形成装置 |
KR100624436B1 (ko) | 2004-10-19 | 2006-09-15 | 삼성전자주식회사 | 2축 액츄에이터 및 그 제조방법 |
JP4385938B2 (ja) | 2004-12-15 | 2009-12-16 | セイコーエプソン株式会社 | アクチュエータ |
EP1677086B1 (en) | 2004-12-30 | 2013-09-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Fourier transform spectrometer |
JP4573664B2 (ja) | 2005-02-16 | 2010-11-04 | 富士通株式会社 | マイクロ揺動素子およびその製造方法 |
CN100381862C (zh) | 2005-03-23 | 2008-04-16 | 精工爱普生株式会社 | 驱动器和具有驱动器的光学装置以及该驱动器的制造方法 |
DE102005023685A1 (de) | 2005-05-23 | 2006-11-30 | Advanced Nano Systems Inc., San Jose | Abmessungen für einen MEMS-Abtastspiegel mit Rippen und sich Verjüngenden Kammzähnen |
JP4098792B2 (ja) | 2005-06-08 | 2008-06-11 | アンリツ株式会社 | ミラー装置 |
CN101316789B (zh) | 2005-11-25 | 2012-07-18 | 弗兰霍菲尔运输应用研究公司 | 可偏转微机械元件 |
JP4473209B2 (ja) | 2005-12-02 | 2010-06-02 | アンリツ株式会社 | 可変波長光フィルタ |
JP4437320B2 (ja) | 2006-01-06 | 2010-03-24 | 国立大学法人東北大学 | マイクロミラー、及び、マイクロミラーデバイス |
KR100682958B1 (ko) | 2006-01-10 | 2007-02-15 | 삼성전자주식회사 | 2축 마이크로 스캐너 |
US7359107B2 (en) | 2006-03-31 | 2008-04-15 | Texas Instruments Incorporated | Analog MEMS with non-linear support |
JP5098254B2 (ja) | 2006-08-29 | 2012-12-12 | 富士通株式会社 | マイクロ揺動素子 |
US8165323B2 (en) | 2006-11-28 | 2012-04-24 | Zhou Tiansheng | Monolithic capacitive transducer |
JP4219383B2 (ja) | 2006-12-28 | 2009-02-04 | 日本航空電子工業株式会社 | 櫛歯型静電アクチュエータ |
JP2008203402A (ja) | 2007-02-19 | 2008-09-04 | Konica Minolta Opto Inc | センサ装置、および撮像装置 |
DE102008012825B4 (de) | 2007-04-02 | 2011-08-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 80686 | Mikromechanisches Bauelement mit verkippten Elektroden |
DE102007051820A1 (de) | 2007-04-02 | 2008-10-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mikromechanisches Bauelement mit erhöhter Steifigkeit |
US7535620B2 (en) | 2007-04-04 | 2009-05-19 | Precisely Microtechnology Corp. | Micro-electro-mechanical system micro mirror |
KR20090041766A (ko) | 2007-10-24 | 2009-04-29 | 삼성전기주식회사 | 미러로부터 분리된 액츄에이터를 구비한 멤스 스캐너 |
JP5223381B2 (ja) | 2008-03-04 | 2013-06-26 | 富士通株式会社 | マイクロ可動素子、光スイッチング装置、およびマイクロ可動素子製造方法 |
DE102008001071B4 (de) | 2008-04-09 | 2017-05-24 | Robert Bosch Gmbh | Mikromechanische Aktuatorstruktur und entsprechendes Betätigungsverfahren |
CN101290395B (zh) | 2008-04-14 | 2010-11-10 | 北京大学 | 一种微型多功能光学器件及其制备方法 |
JP4980990B2 (ja) | 2008-06-25 | 2012-07-18 | パナソニック株式会社 | 可動構造体及びそれを用いたマイクロミラー素子 |
JP4835657B2 (ja) | 2008-07-11 | 2011-12-14 | カシオ計算機株式会社 | 配線電極構造の製造方法 |
JP5353101B2 (ja) * | 2008-07-29 | 2013-11-27 | 大日本印刷株式会社 | 微細構造体形成方法 |
JP5146204B2 (ja) | 2008-08-29 | 2013-02-20 | セイコーエプソン株式会社 | 光学デバイス、光スキャナ及び画像形成装置 |
JP2010085506A (ja) | 2008-09-29 | 2010-04-15 | Brother Ind Ltd | 光スキャナ及びこの光スキャナを備えた画像表示装置 |
WO2010044223A1 (ja) | 2008-10-14 | 2010-04-22 | 日本電産サンキョー株式会社 | 撮影用光学装置 |
JP5168659B2 (ja) | 2008-11-27 | 2013-03-21 | 株式会社リコー | 可動板構造体及び光走査装置 |
JP2010151007A (ja) | 2008-12-25 | 2010-07-08 | Seiko Instruments Inc | 駆動モジュールおよび電子機器 |
JP5302020B2 (ja) | 2009-01-26 | 2013-10-02 | 浜松ホトニクス株式会社 | 光モジュール |
JP5444746B2 (ja) * | 2009-02-13 | 2014-03-19 | 富士通株式会社 | マイクロ可動素子および光干渉計 |
JP5344035B2 (ja) | 2009-03-31 | 2013-11-20 | 富士通株式会社 | マイクロ可動素子アレイおよび通信機器 |
SG175725A1 (en) | 2009-04-17 | 2011-12-29 | Si Ware Systems | Opto-mechanical optical path retardation multiplier for optical mems applications |
JP4816762B2 (ja) | 2009-05-20 | 2011-11-16 | オムロン株式会社 | バネの構造および当該バネを用いたアクチュエータ |
DE102009026507A1 (de) | 2009-05-27 | 2010-12-02 | Robert Bosch Gmbh | Mikromechanisches Bauteil und Herstellungsverfahren für ein mikromechanisches Bauteil |
JP2011069954A (ja) | 2009-09-25 | 2011-04-07 | Brother Industries Ltd | 光スキャナ |
US8269395B2 (en) | 2009-10-02 | 2012-09-18 | Siyuan He | Translating and rotation micro mechanism |
DE102009045720A1 (de) | 2009-10-15 | 2011-04-21 | Robert Bosch Gmbh | Mikromechanisches Bauteil mit einer verstellbaren Komponente |
US8546995B2 (en) | 2009-11-06 | 2013-10-01 | Opus Microsystems Corporation | Two-dimensional micromechanical actuator with multiple-plane comb electrodes |
CN102667497B (zh) | 2009-11-24 | 2014-06-18 | 松下电器产业株式会社 | 加速度传感器 |
US8792105B2 (en) | 2010-01-19 | 2014-07-29 | Si-Ware Systems | Interferometer with variable optical path length reference mirror using overlapping depth scan signals |
JP5577742B2 (ja) | 2010-02-23 | 2014-08-27 | セイコーエプソン株式会社 | 光スキャナーおよび画像形成装置 |
US8353600B1 (en) | 2010-06-23 | 2013-01-15 | Advanced Numicro Systems, Inc. | MEMS actuator assembly for optical switch |
DE102010040768B4 (de) | 2010-09-14 | 2022-02-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Spektralzerlegungsvorrichtung und Herstellung derselben |
JP5659672B2 (ja) | 2010-10-06 | 2015-01-28 | セイコーエプソン株式会社 | 光スキャナー、ミラーチップ、光スキャナーの製造方法、および画像形成装置 |
US10551613B2 (en) | 2010-10-20 | 2020-02-04 | Tiansheng ZHOU | Micro-electro-mechanical systems micromirrors and micromirror arrays |
JP2012108165A (ja) | 2010-11-15 | 2012-06-07 | Seiko Epson Corp | アクチュエーター、光スキャナーおよび画像形成装置 |
US8803256B2 (en) | 2010-11-15 | 2014-08-12 | DigitalOptics Corporation MEMS | Linearly deployed actuators |
JP5736766B2 (ja) | 2010-12-22 | 2015-06-17 | ミツミ電機株式会社 | 光走査装置 |
JP2012145910A (ja) * | 2010-12-24 | 2012-08-02 | Mitsumi Electric Co Ltd | 構造体 |
JP2012184962A (ja) | 2011-03-03 | 2012-09-27 | Kagawa Univ | 分光特性測定装置及び分光特性測定方法 |
JP2012198298A (ja) | 2011-03-18 | 2012-10-18 | Ricoh Co Ltd | 光偏向装置並びにこれを備えた光走査装置、画像投影装置、画像読取装置および画像形成装置 |
JP5842356B2 (ja) | 2011-03-24 | 2016-01-13 | セイコーエプソン株式会社 | アクチュエーター、光スキャナーおよび画像形成装置 |
JP2013009447A (ja) | 2011-06-22 | 2013-01-10 | Olympus Corp | 静電アクチュエータおよびその制御方法 |
JP2013016651A (ja) * | 2011-07-04 | 2013-01-24 | Sumitomo Electric Ind Ltd | 半導体光素子の製造方法 |
EP2544370B1 (en) | 2011-07-06 | 2020-01-01 | Nxp B.V. | MEMS resonator |
CN103827725B (zh) | 2011-09-30 | 2016-03-23 | 松下知识产权经营株式会社 | 光学反射元件 |
JP5857602B2 (ja) * | 2011-10-03 | 2016-02-10 | ミツミ電機株式会社 | 光走査装置 |
JP2014534462A (ja) | 2011-10-07 | 2014-12-18 | シンガポール国立大学National University Of Singapore | Mems型ズームレンズシステム |
NL2007554C2 (en) | 2011-10-10 | 2013-04-11 | Innoluce B V | Mems scanning micromirror. |
JP5832852B2 (ja) | 2011-10-21 | 2015-12-16 | 浜松ホトニクス株式会社 | 光検出装置 |
NL2007886C2 (en) * | 2011-11-29 | 2013-05-30 | Innoluce B V | Mems scanning micromirror. |
JP5988592B2 (ja) | 2012-01-19 | 2016-09-07 | キヤノン株式会社 | 可動ミラー、波面補正デバイスおよび眼底検査装置 |
US9105834B2 (en) | 2012-01-27 | 2015-08-11 | Microvision, Inc. | Piezoelectric actuated device, method and system |
CN103288034A (zh) | 2012-03-01 | 2013-09-11 | 北京大学 | 一种离面静电驱动器及其制作方法 |
JP6031683B2 (ja) | 2012-05-07 | 2016-11-24 | パナソニックIpマネジメント株式会社 | 光学反射素子 |
GB201209595D0 (en) | 2012-05-30 | 2012-07-11 | Ibm | Positioning device for scanning a surface |
JP2014006418A (ja) | 2012-06-26 | 2014-01-16 | Olympus Corp | アクチュエータ |
US20150159267A1 (en) | 2012-07-09 | 2015-06-11 | Sharp Kabushiki Kaisha | Mask unit and deposition device |
JP5936941B2 (ja) | 2012-07-13 | 2016-06-22 | 国立大学法人九州大学 | 回転型アクチュエータ |
JP2014035429A (ja) | 2012-08-08 | 2014-02-24 | Olympus Corp | 光偏向器 |
JP2014095758A (ja) | 2012-11-07 | 2014-05-22 | Canon Inc | アクチュエータ及び可変形状ミラー |
JP6260019B2 (ja) | 2012-11-09 | 2018-01-17 | 北陽電機株式会社 | 金属弾性部材、微小機械装置、微小機械装置の製造方法、揺動制御装置及び揺動制御方法 |
JP5714648B2 (ja) | 2012-11-16 | 2015-05-07 | 株式会社豊田中央研究所 | 力学量memsセンサ及び力学量memsセンサシステム |
US9876418B2 (en) | 2013-02-08 | 2018-01-23 | Pioneer Corporation | Actuator |
JP6154636B2 (ja) | 2013-03-26 | 2017-06-28 | 住友精密工業株式会社 | ミラーデバイス |
JP2014215534A (ja) | 2013-04-26 | 2014-11-17 | 株式会社デンソー | 光走査装置 |
JP5873837B2 (ja) | 2013-05-31 | 2016-03-01 | 京セラドキュメントソリューションズ株式会社 | 光偏向器及び光走査装置 |
JP6015564B2 (ja) * | 2013-05-31 | 2016-10-26 | 株式会社デンソー | 光走査装置 |
TWI557061B (zh) | 2013-07-26 | 2016-11-11 | Globalmems Taiwan Corp Ltd | Movable vehicle structure for microelectromechanical systems |
US10340818B2 (en) | 2013-08-08 | 2019-07-02 | National University Corporation Shizuoka University | Actuator, shutter device, fluid control device, switch, and two-dimensional scanning sensor device |
EP3037792B1 (en) * | 2013-08-19 | 2021-07-14 | Hamamatsu Photonics K.K. | Method for manufacturing an optical interferometer |
JP6196867B2 (ja) | 2013-10-01 | 2017-09-13 | 浜松ホトニクス株式会社 | 光学モジュール |
WO2015068400A1 (ja) * | 2013-11-07 | 2015-05-14 | 住友精密工業株式会社 | 半導体装置 |
JP2015093340A (ja) | 2013-11-11 | 2015-05-18 | 富士電機株式会社 | 半導体装置の製造方法 |
JP2015102709A (ja) | 2013-11-26 | 2015-06-04 | セイコーエプソン株式会社 | 光スキャナーおよび画像表示装置 |
JP5519067B1 (ja) | 2013-11-27 | 2014-06-11 | 株式会社テクノフロント | 光学干渉計、及びこれを用いたフーリエ変換型分光器 |
JP2015123526A (ja) | 2013-12-26 | 2015-07-06 | ソニー株式会社 | 機能素子、加速度センサおよびスイッチ |
US9372338B2 (en) | 2014-01-17 | 2016-06-21 | Qualcomm Mems Technologies, Inc. | Multi-state interferometric modulator with large stable range of motion |
US9958271B2 (en) | 2014-01-21 | 2018-05-01 | Invensense, Inc. | Configuration to reduce non-linear motion |
DE102014207891A1 (de) | 2014-02-17 | 2015-08-20 | Robert Bosch Gmbh | Spiegelanordnung und Projektionseinrichtung |
CN203825034U (zh) | 2014-04-01 | 2014-09-10 | 南京信息工程大学 | 一种z轴电容式微机械加速度计 |
JP6284427B2 (ja) | 2014-05-21 | 2018-02-28 | スタンレー電気株式会社 | 光偏向器及びその製造方法 |
JP6479354B2 (ja) * | 2014-06-30 | 2019-03-06 | 浜松ホトニクス株式会社 | ミラー駆動装置及びその製造方法 |
CN106604887B (zh) | 2014-08-04 | 2019-04-02 | 费斯·巴-提斯 | 三自由度mems活塞管静电微致动器 |
JP6349229B2 (ja) | 2014-10-23 | 2018-06-27 | スタンレー電気株式会社 | 二軸光偏向器及びその製造方法 |
JP6459392B2 (ja) * | 2014-10-28 | 2019-01-30 | ミツミ電機株式会社 | 光走査装置 |
JP2016114798A (ja) * | 2014-12-16 | 2016-06-23 | 株式会社Jvcケンウッド | 光偏向器及び光偏向器の製造方法 |
JP2016136579A (ja) * | 2015-01-23 | 2016-07-28 | 株式会社東芝 | 半導体装置及びその製造方法 |
JP2016139009A (ja) | 2015-01-27 | 2016-08-04 | キヤノン株式会社 | アクチュエータ、及びアクチュエータを用いた可変形状ミラー |
JP2016151681A (ja) * | 2015-02-18 | 2016-08-22 | 株式会社Jvcケンウッド | Mems光スキャナ |
JP6516516B2 (ja) | 2015-03-16 | 2019-05-22 | スタンレー電気株式会社 | 光偏向器 |
JP6390508B2 (ja) | 2015-05-07 | 2018-09-19 | 株式会社デンソー | 光走査装置 |
JP2017058418A (ja) | 2015-09-14 | 2017-03-23 | 富士電機株式会社 | 光走査装置および内視鏡 |
JP6682106B2 (ja) | 2015-10-02 | 2020-04-15 | 株式会社鷺宮製作所 | 振動発電素子 |
JP6319771B2 (ja) | 2015-11-06 | 2018-05-09 | 株式会社山王 | 多孔質ニッケル薄膜及びその製造方法 |
TWI581004B (zh) | 2015-11-18 | 2017-05-01 | 財團法人工業技術研究院 | 可調式光學裝置 |
JP6691784B2 (ja) | 2016-01-21 | 2020-05-13 | 浜松ホトニクス株式会社 | アクチュエータ装置 |
JP2016200834A (ja) | 2016-08-10 | 2016-12-01 | キヤノン株式会社 | 可動ミラー |
CN106500682B (zh) | 2016-10-12 | 2019-10-22 | 中国科学院地质与地球物理研究所 | 一种mems陀螺仪 |
CN106597016B (zh) | 2016-12-22 | 2022-12-27 | 四川知微传感技术有限公司 | 一种电容式mems双轴加速度计 |
WO2019009397A1 (ja) | 2017-07-06 | 2019-01-10 | 浜松ホトニクス株式会社 | 光学デバイス |
-
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- 2018-08-02 CN CN202211330344.XA patent/CN115657296A/zh active Pending
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- 2024-02-07 JP JP2024017078A patent/JP7594700B2/ja active Active
- 2024-02-22 US US18/584,740 patent/US12189114B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050194650A1 (en) | 2004-03-08 | 2005-09-08 | Opus Microsystems Application Corp. | Micromechanical actuator with multiple-plane comb electrodes and methods of making |
JP2008083122A (ja) * | 2006-09-26 | 2008-04-10 | Matsushita Electric Works Ltd | 可動構造体及びそれを備えた光学素子 |
JP2009171394A (ja) * | 2008-01-18 | 2009-07-30 | Oki Semiconductor Co Ltd | 共振器 |
JP2012042666A (ja) * | 2010-08-18 | 2012-03-01 | Ricoh Co Ltd | 光偏向器、光走査装置、画像形成装置及び画像投影装置 |
US20120099176A1 (en) * | 2010-10-20 | 2012-04-26 | Zhou Tiansheng | Micro-electro-mechanical systems micromirrors and micromirror arrays |
JP2014238581A (ja) * | 2014-06-24 | 2014-12-18 | ミツミ電機株式会社 | 光走査装置 |
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US11953675B2 (en) | 2024-04-09 |
EP3712674A1 (en) | 2020-09-23 |
KR102591487B1 (ko) | 2023-10-19 |
JP2023009130A (ja) | 2023-01-19 |
US20200363630A1 (en) | 2020-11-19 |
CN115657296A (zh) | 2023-01-31 |
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US11693230B2 (en) | 2023-07-04 |
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