WO2011016083A1 - ヒートシンク及びその製造方法 - Google Patents
ヒートシンク及びその製造方法 Download PDFInfo
- Publication number
- WO2011016083A1 WO2011016083A1 PCT/JP2009/003726 JP2009003726W WO2011016083A1 WO 2011016083 A1 WO2011016083 A1 WO 2011016083A1 JP 2009003726 W JP2009003726 W JP 2009003726W WO 2011016083 A1 WO2011016083 A1 WO 2011016083A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- carbon material
- metal
- heat
- heat sink
- plate
- Prior art date
Links
- 238000000034 method Methods 0.000 title description 10
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 93
- 229910052751 metal Inorganic materials 0.000 claims abstract description 90
- 239000002184 metal Substances 0.000 claims abstract description 90
- 230000005855 radiation Effects 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 229910052709 silver Inorganic materials 0.000 description 8
- 239000004332 silver Substances 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000002905 metal composite material Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
Images
Classifications
-
- H01L33/00—
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
- F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
- H01L23/3677—Wire-like or pin-like cooling fins or heat sinks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Definitions
- the present invention relates to a heat sink used for cooling an electronic component such as an LED lamp and a method for manufacturing the heat sink.
- Heat sinks used for cooling electronic components have been put into practical use in various shapes and structures, and as a material for the heat sink, pores existing in a carbon material compressed into a block shape are impregnated with a metal material such as aluminum.
- a carbon-based metal composite material with improved thermal conductivity (see, for example, Patent Document 1).
- the distribution of pores existing in the carbon material is not constant, and the pores are present irregularly, so that a metal material such as aluminum is used as the carbon material. Since it is impregnated sparsely, the thermal conductivity is unstable, and when used as a heat sink, there is a problem that stable heat dissipation characteristics cannot be obtained.
- An object of the present invention is to realize a heat sink that can solve such problems.
- the heat sink of the present invention is provided with a large number of through holes penetrating in the plate thickness direction in a carbon material having an arbitrary shape and heat diffusion in the plate surface direction, and each through hole is filled with a metal having thermal conductivity.
- a metal column is formed, and a heat radiation fin composed of a metal plate portion and a plurality of fin portions made of the same metal as the metal column is integrally formed on at least one surface of the carbon material.
- the present invention makes it possible to make the metal pillars uniformly exist in the carbon material. Therefore, even when the LED is mounted, the heat generated when the LED is driven is provided on the surface opposite to the component mounting surface. It can conduct efficiently to the fin, and a sufficient heat dissipation effect can be obtained.
- FIG. 1 A perspective view showing a first embodiment Perspective view of block-like carbon material
- Side sectional view showing another filling molding process of metal pillar and metal plate The perspective view which shows the state which drills in the 2nd Example
- FIG. 1 is a side sectional view showing a first embodiment of the heat sink
- FIG. 2 is a perspective view showing the first embodiment of the heat sink.
- the rectangular plate-shaped carbon material (graphite) 1 shown in the figure has excellent thermal diffusivity, in which heat spreads quickly in the plate surface direction (direction perpendicular to the plate thickness direction).
- This carbon material 1 has a large number of small-diameter through holes penetrating the plate thickness at almost uniform intervals over the entire plate surface, and aluminum, copper, silver, etc. having high thermal conductivity are formed in each through-hole.
- a large number of metal pillars 3 are formed in the carbon material 1 by filling the metal, and a plurality of metal plate portions 4a and a plurality of metal plates 4a made of the same material as the metal pillars 3 provided on the entire one surface of the carbon material 1 and the peripheral surface of the carbon material 1.
- the heat radiation fin 4 having a comb-shaped cross section composed of the fin portion 4 b is integrally formed with the metal pillar 3.
- the heat sink having such a structure has the surface opposite to the surface of the carbon material 1 on which the radiation fins 4 are provided as a component mounting surface, and an electronic component 5 such as an LED is mounted on the component mounting surface as shown in FIG. A circuit configuration necessary for driving is performed.
- the electronic component 5 By driving the electronic component 5 in such a state, when the electronic component 5 generates heat, the heat is quickly diffused in the plate surface direction on the component mounting surface side of the carbon material 1, and a large number of the carbon material 1 provided in the carbon material 1
- the heat is conducted to the metal plate part 4a of the radiation fin 4 on the opposite surface side through the metal pillar 3, and further conducted from the metal plate part 4a to each fin part 4b to be radiated to the surroundings.
- the metal pillar 3 and the heat radiating fin 4 are made of aluminum, copper, silver or the like having high thermal conductivity, the heat of the electronic component 5 is efficiently transmitted to the heat radiating fin 4 and can be radiated.
- a thin metal plate made of the same material as the metal pillars 3 and the radiation fins 4 may be integrally formed on the component mounting surface of the carbon material 1.
- FIG. 3 is a perspective view of the block-like carbon material
- FIG. 4 is a perspective view showing a state in which the block-like carbon material is cut out into a rectangular plate shape
- FIG. 5 is a perspective view showing a state in which the rectangular plate-like carbon material is punched.
- FIG. 6 and FIG. 6 are side cross-sectional views showing a metal column and metal plate filling and molding process.
- a block-like carbon material 10 shown in FIG. 3 is prepared.
- This block-like carbon material 10 is subjected to compression processing or the like on a predetermined carbon material to form a carbon lump having high density and high thermal diffusivity, and cut into the carbon lump, for example, into a block shape such as a rectangular parallelepiped It is a thing.
- This block-like carbon material 10 is cut as shown in FIG. 4 by a cutting machine such as a cut saw (not shown) to obtain, for example, a rectangular plate-like carbon material 1 having a thickness of about 2 mm.
- the rectangular plate-shaped carbon material 1 is cut in a direction having excellent characteristics of thermal diffusibility in which heat spreads quickly in the plate surface direction as described above.
- the small diameter through-holes 2 penetrating the plate thickness of the carbon material 1 are formed at substantially uniform intervals over the entire plate surface. Drill a lot.
- a laser light source it is desirable to use a light source that outputs laser light having a wavelength in the near infrared region, for example, a YAG laser (wavelength 1064 nm) is used.
- the position of the laser light irradiation head 11 is fixed and installed vertically, and the carbon material 1 having a rectangular plate shape is positioned and fixed in a horizontal direction on a predetermined moving table (not shown). Drilling is performed by the laser light irradiation head 11 while moving the carbon material 1 in the front-rear and left-right directions, that is, the X direction and the Y direction together with the moving table. For example, after the carbon material 1 is moved in the X1 direction together with the moving table, the through holes 2 for one row are formed by the laser light irradiation head 11, and then the carbon material 1 is moved in the Y direction together with the moving table by a predetermined interval.
- the laser beam irradiation head 11 While moving the carbon material 1 together with the moving table in the X2 direction opposite to the X1 direction, the laser beam irradiation head 11 opens the next one row of through holes 2, and again moves the carbon material 1 together with the moving table by a predetermined interval Y. A large number of through holes 2 penetrating in the thickness direction of the carbon material 1 are drilled by repeating the movement in the direction.
- the through-hole 2 drilled by the laser light irradiation has a shape having a tapered cross section with a wide diameter on the laser light irradiation surface side.
- the wide taper side that is, the laser light irradiation surface
- the surface of the carbon material 1 on the wide diameter side of the tapered through hole 2 so that the diameter on the side is 0.7 mm to 0.3 mm and the diameter on the narrow side is in the range of 0.3 mm to 0.1 mm.
- the ratio of the through holes 2 formed in the carbon material 1 is preferably about 5% to 15% when, for example, aluminum is filled.
- the amount of the thermal diffusivity carbon and the amount of the heat conductive metal may be changed as required with respect to the volume of the carbon material 1. Select with.
- a plurality of laser light irradiation heads 11 are arranged to form a multi-laser light irradiation head, and the multi-laser light irradiation head is used to perforate the through holes 2 by a plurality of rows. Is also possible. Further, it is possible to perform perforation by a galvano method in which laser light is directly shaken by a mirror.
- the surface is polished as necessary, and then the carbon material 1 is set in a mold 12 of a vacuum molding machine.
- the inside of the mold 12 is formed as a recess 12a that matches the outer shape of the carbon material 1, and the pressurizing member 13 of the pressurizer can be slidably fitted to the opening side of the recess 12a.
- the carbon material 1 is set in the recess 12a together with the core 17 so that the component mounting surface faces the pressure member 13 side.
- the core 17 has a shape opposite to that of the heat radiation fin 4 and is disposed so as to be sandwiched between the carbon material 1 and the abutting surface of the recess 12a.
- Supply holes 16a and 16b for supplying molten metal into the suction hole 14 and the recess 12a are provided in the peripheral wall portion of the mold 12, and the suction hole 14 is used for evacuating the inside of the mold 12
- a vacuum pump 15 is connected to the supply holes 16a and 16b, which are connected to a supply machine (not shown) that melts and supplies a metal such as aluminum, copper, and silver having high thermal conductivity.
- the pressurizing member 13 is fitted into the opening of the mold 12, and the vacuum pump 15 is used.
- the air in the mold 12 is sucked to evacuate the recess 12a of the mold 12, and a certain amount of metal dissolved by a feeder (not shown) is supplied from the supply holes 16a and 16b to the pressurizing member 13 in the recess 12a and
- a solenoid valve (not shown)
- the pressing member 13 is moved to the carbon material 1 side by the moving means of the pressing machine (not shown) to form the recess 12a. Pressurize the inside.
- the melted metal flows into the through holes 2 from the component mounting surface side of the carbon material 1 and flows into the spaces formed by the cores 17 so as to fill the through holes 2 with a tapered shape.
- the metal pillar 3 is formed, and the cross-sectional comb-shaped radiating fin 4 includes a metal plate portion 4 a and a plurality of fin portions 4 b provided on the surface opposite to the component mounting surface of the carbon material 1 and the peripheral surface of the carbon material 1. Therefore, an integrally molded heat sink can be manufactured.
- a thin metal plate made of the same material as that of the metal pillar 3 and the metal plate 4 may be integrally formed on the component mounting surface of the carbon material 1 as described above.
- the pressure member 13 is removed from the recess 12a of the mold 12, the manufactured heat sink is taken out from the recess 12a together with the core 17, and after the core 17 is removed, finish processing such as deburring and polishing is completed.
- finish processing such as deburring and polishing is completed.
- the metal pillar 3 and the heat radiation fin 4 are formed using the rectangular plate-like carbon material 1 having an area equivalent to a plurality of heat sinks, It shall be cut into pieces and finished with deburring and polishing.
- FIG. 7 is a side sectional view showing another filling and molding process of metal pillars and metal plates.
- the mold 12 of the vacuum molding machine used here omits the supply holes shown in FIG. 6 and induces high frequency induction around the recess 12a.
- a heating coil 18 is provided.
- Other configurations are the same as those in FIG.
- the carbon material 1 is set in the recess 12a of the mold 12 so that the component mounting surface faces the pressure member 13 side.
- the core 17 is interposed between the abutting surface of the recess 12a and the carbon material 1.
- the pressurizing member 13 is fitted into the opening of the mold 12, and vacuum is applied.
- the air in the mold 12 is sucked by the pump 15 to evacuate the recess 12a of the mold 12, and the melting metal piece 19 is melted by the high frequency induction heating coil 18, and then the vacuum state is released while the vacuum state is released.
- the pressurizing member 13 is moved to the carbon material 1 side by the moving means of the pressurizing machine not to pressurize the recess 12a.
- the metal thus melted flows from the component mounting surface side of the carbon material 1 through the through holes 2 to the opposite surface side, and is filled into the through holes 2 and the gaps G.
- the metal pillar 3 is formed, and the cross-sectionally comb-shaped heat radiation fin 4 including a metal plate portion 4a and a plurality of fin portions 4b provided on the surface opposite to the component mounting surface of the carbon material 1 and the peripheral surface of the carbon material 1 is provided.
- the cross-sectionally comb-shaped heat radiation fin 4 including a metal plate portion 4a and a plurality of fin portions 4b provided on the surface opposite to the component mounting surface of the carbon material 1 and the peripheral surface of the carbon material 1 is provided.
- a large number of small-diameter through holes 2 penetrating the plate thickness are formed uniformly in the rectangular plate-like carbon material 1 over the entire plate surface, and heat is generated in each through-hole 2.
- a large number of metal pillars 3 are formed in the carbon material 1 by filling a metal having high conductivity, and the cross-sectional shape of the same material as the metal pillar 3 is formed on one side of the carbon material 1 integrally with the metal pillar 3. Since the structure is provided with the radiating fins 4, when the electronic component 5 is mounted on the component mounting surface opposite to the surface on which the metal plate 4 of the carbon material 1 is provided, heat generated from the electronic component 5 is transmitted through the metal pillar 3. Thus, it is possible to efficiently transmit the heat to the heat radiating fins 4 to radiate heat. Furthermore, a composite material in which the material has mechanical strength can be obtained.
- the electronic component 5 is an LED having a high necessity for heat dissipation
- a heat sink using a carbon-based metal composite material according to the prior art could not obtain a stable heat dissipation effect in terms of quality.
- the carbon material 1 a large number of through holes 2 are uniformly formed in the plate-like carbon material 1, and the metal holes 3 are filled in the through holes 2 to form a large number of metal pillars 3. It becomes possible to make the metal pillar 3 exist uniformly, so even when the LED is mounted, the heat generated when the LED is driven can be efficiently conducted to the radiation fin 4 integrally formed on the surface opposite to the component mounting surface. A sufficient heat dissipation effect can be obtained.
- FIG. 8 is a perspective view showing a state where a rectangular plate-like carbon material is partially punched in the second embodiment, and the second embodiment will be described with reference to this figure.
- the thickness of the carbon material 1 is penetrated.
- a small number of small-diameter through holes 2 are partially perforated in the component mounting portion, and metal pillars are formed by filling each through-hole 2 with a metal such as aluminum, copper, or silver having high thermal conductivity.
- the heat sink is formed by providing heat sink fins (not shown) having a cross-sectional comb shape composed of a metal plate portion and a plurality of fin portions on the one surface of the carbon material 1 integrally with the metal pillar.
- the heat radiating fins may be provided only on the metal column forming portion of the carbon material 1 or may be formed on the entire surface of the carbon material 1.
- FIG. 8 shows an example in which the through hole 2 is formed in a spiral shape in the electronic component mounting portion of the carbon material 1, but the electronic component mounting portion is formed into a rectangular shape, and the rectangular portion has a through hole as in the embodiment of FIG. 2 may be opened.
- the moving base for positioning and fixing the carbon material 1 can be controlled so that the hole can be formed in a spiral shape.
- the heat sink having such a configuration has a surface opposite to the surface on which the metal plate of the carbon material 1 is provided as a component mounting surface, and an electronic component 5 such as an LED is mounted on the electronic component mounting portion of the component mounting surface for driving. Perform necessary wiring.
- an electronic component 5 such as an LED is mounted on the electronic component mounting portion of the component mounting surface for driving. Perform necessary wiring.
- the heat is quickly diffused in the plate surface direction on the component mounting surface side of the carbon material 1, and a large number of the carbon material 1 provided in the carbon material 1
- the heat is conducted to the heat radiating fin 4 on the side opposite to the component mounting surface through the metal pillar, and is radiated from the heat radiating fin 4 to the surroundings.
- the metal pillar and the radiation fin are made of aluminum, copper, silver or the like having high thermal conductivity, the heat of the electronic component 5 is efficiently transmitted to the radiation fin 4 and can be radiated.
- the heat sink of the second embodiment can be manufactured by the same method as in the first embodiment. However, when the metal plate is provided only on the metal column forming portion of the carbon material 1, it corresponds to the shape. Place the core to close the area other than the part where the heat dissipating fins are formed.
- the ratio of the through holes 2 formed in the component mounting portion of the carbon material 1 is desirably about 5% to 15% when, for example, aluminum is filled.
- the amount of the thermal diffusivity carbon and the amount of the heat conductive metal may be changed as required with respect to the volume of the carbon material 1. Select with.
- a plurality of laser light irradiation heads 11 are arranged to form a multi-laser light irradiation head, and the multi-laser light irradiation head is used to perforate the through holes 2 by a plurality of rows. Is also possible. Further, it is possible to perform perforation by a galvano method in which laser light is directly shaken by a mirror.
- the second embodiment described above can achieve the same effect as the first embodiment. Further, in the second embodiment, since the through hole 2 is formed in the electronic component mounting portion of the carbon material 1 and the metal having high thermal conductivity is filled therein, the electronic component mounting portion of the carbon material 1 is provided. Since it is possible to mount other electronic components that do not require cooling by providing wiring or the like in the removed portion, it can be used as a circuit board.
- the radiating fins are comb-shaped in cross section.
- the present invention is not limited to this, and other shapes can be used as long as the structure includes a metal plate portion and a plurality of fin portions. There may be.
- the electronic component to be mounted is an electronic component that generates heat, such as an LED.
- the electronic component itself does not generate heat, such as a concentrating solar cell, but is heated by condensed light. This is also effective for cooling electronic components.
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Abstract
Description
2 透孔
3 金属柱
4 放熱フィン
4a 金属板部
4b フィン部
5 電子部品
10 ブロック状炭素材料
11 レーザー光照射ヘッド
12 金型
13 加圧部材
14 吸引孔
15 真空ポンプ
16a、16b 供給孔
17 中子
18 高周波誘導加熱コイル
19 溶解用金属片
Claims (4)
- 任意の形状でかつ板面方向に熱拡散する特性を有する炭素材料に板厚方向に貫通する透孔を多数設け、各透孔に熱伝導性を有する金属を充填して金属柱を形成すると共に、前記炭素材料の少なくとも片面に前記金属柱と同じ金属による金属板部と複数のフィン部からなる放熱フィンを一体成型したことを特徴とするヒートシンク。
- 請求項1記載のヒートシンクにおいて、
前記炭素材料は矩形板状として、その片面全体に前記放熱フィンを形成したことを特徴とするヒートシンク。 - 請求項1記載のヒートシンクにおいて、
前記炭素材料は矩形板状とし、その電子部品搭載部分に前記金属柱を形成すると共に、電子部品搭載と反対側の面の少なくとも前記電子部品搭載部分に前記放熱フィンを形成したことを特徴とするヒートシンク。 - 任意の形状でかつ板面方向に熱拡散する特性を有する炭素材料にレーザー光を照射して板厚方向に貫通する透孔を多数形成した後、
前記炭素材料を中子と共に金型内に配置し、該金型内に熱伝導性を有する溶解した金属を供給しつつ前記金型内を加圧することにより、前記溶解した金属を前記各透孔に充填して金属柱を形成すると共に、前記炭素材料の少なくとも片面に前記中子により金属板部と複数のフィン部からなる放熱フィンを一体成型することを特徴とするヒートシンクの製造方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011525688A JP5453608B2 (ja) | 2009-08-04 | 2009-08-04 | ヒートシンク及びその製造方法 |
KR1020127005790A KR20120055602A (ko) | 2009-08-04 | 2009-08-04 | 히트싱크 및 그 제조방법 |
PCT/JP2009/003726 WO2011016083A1 (ja) | 2009-08-04 | 2009-08-04 | ヒートシンク及びその製造方法 |
EP09848016A EP2463902A1 (en) | 2009-08-04 | 2009-08-04 | Heat sink and method for manufracturing the heat sink |
CN2009801614440A CN102498563A (zh) | 2009-08-04 | 2009-08-04 | 散热器和其制造方法 |
TW099125710A TW201111733A (en) | 2009-08-04 | 2010-08-03 | Heat sink and method to produce the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2009/003726 WO2011016083A1 (ja) | 2009-08-04 | 2009-08-04 | ヒートシンク及びその製造方法 |
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WO2011016083A1 true WO2011016083A1 (ja) | 2011-02-10 |
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PCT/JP2009/003726 WO2011016083A1 (ja) | 2009-08-04 | 2009-08-04 | ヒートシンク及びその製造方法 |
Country Status (6)
Country | Link |
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EP (1) | EP2463902A1 (ja) |
JP (1) | JP5453608B2 (ja) |
KR (1) | KR20120055602A (ja) |
CN (1) | CN102498563A (ja) |
TW (1) | TW201111733A (ja) |
WO (1) | WO2011016083A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102299250A (zh) * | 2011-09-19 | 2011-12-28 | 广东昭信灯具有限公司 | 大功率led的散热模组及其制备方法 |
CN102447052A (zh) * | 2010-10-15 | 2012-05-09 | 广东昭信灯具有限公司 | 一种led散热基板及其制备方法 |
CN111132774A (zh) * | 2017-07-07 | 2020-05-08 | 霍尔茨豪厄有限责任两合公司 | 用于制造冷却板的方法 |
CN113161306A (zh) * | 2021-04-15 | 2021-07-23 | 浙江集迈科微电子有限公司 | 芯片的高效散热结构及其制备工艺 |
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US10043729B1 (en) * | 2017-02-09 | 2018-08-07 | Abb Technology Oy | Power electronics module |
KR101877322B1 (ko) * | 2017-03-29 | 2018-07-11 | (주)엘이디월드 | 그래핀 핀 삽입 방열히트싱크 및 그래핀 방열 플레이트를 이용한 엘이디 패키지모듈 |
CN109723995B (zh) * | 2017-10-31 | 2020-11-06 | 张丙坤 | 一种医用头灯 |
CN108198933B (zh) * | 2018-01-02 | 2020-01-31 | 扬州乾照光电有限公司 | 一种led芯片、制备方法及led晶片 |
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- 2009-08-04 JP JP2011525688A patent/JP5453608B2/ja not_active Expired - Fee Related
- 2009-08-04 EP EP09848016A patent/EP2463902A1/en not_active Withdrawn
- 2009-08-04 KR KR1020127005790A patent/KR20120055602A/ko not_active Application Discontinuation
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102447052A (zh) * | 2010-10-15 | 2012-05-09 | 广东昭信灯具有限公司 | 一种led散热基板及其制备方法 |
CN102299250A (zh) * | 2011-09-19 | 2011-12-28 | 广东昭信灯具有限公司 | 大功率led的散热模组及其制备方法 |
CN111132774A (zh) * | 2017-07-07 | 2020-05-08 | 霍尔茨豪厄有限责任两合公司 | 用于制造冷却板的方法 |
CN113161306A (zh) * | 2021-04-15 | 2021-07-23 | 浙江集迈科微电子有限公司 | 芯片的高效散热结构及其制备工艺 |
CN113161306B (zh) * | 2021-04-15 | 2024-02-13 | 浙江集迈科微电子有限公司 | 芯片的高效散热结构及其制备工艺 |
Also Published As
Publication number | Publication date |
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EP2463902A1 (en) | 2012-06-13 |
CN102498563A (zh) | 2012-06-13 |
JPWO2011016083A1 (ja) | 2013-01-10 |
KR20120055602A (ko) | 2012-05-31 |
TW201111733A (en) | 2011-04-01 |
JP5453608B2 (ja) | 2014-03-26 |
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