JP6565805B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP6565805B2 JP6565805B2 JP2016127707A JP2016127707A JP6565805B2 JP 6565805 B2 JP6565805 B2 JP 6565805B2 JP 2016127707 A JP2016127707 A JP 2016127707A JP 2016127707 A JP2016127707 A JP 2016127707A JP 6565805 B2 JP6565805 B2 JP 6565805B2
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- 239000004065 semiconductor Substances 0.000 title claims description 65
- 230000003287 optical effect Effects 0.000 claims description 62
- 239000000758 substrate Substances 0.000 claims description 24
- 230000031700 light absorption Effects 0.000 claims description 10
- 238000005253 cladding Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000001902 propagating effect Effects 0.000 description 11
- 238000012544 monitoring process Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/122—Basic optical elements, e.g. light-guiding paths
- G02B6/125—Bends, branchings or intersections
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12004—Combinations of two or more optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29344—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by modal interference or beating, i.e. of transverse modes, e.g. zero-gap directional coupler, MMI
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
- G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/12—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4031—Edge-emitting structures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4031—Edge-emitting structures
- H01S5/4056—Edge-emitting structures emitting light in more than one direction
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B2006/12035—Materials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B2006/12083—Constructional arrangements
- G02B2006/12121—Laser
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S2301/00—Functional characteristics
- H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
- H01S5/0625—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in multi-section lasers
- H01S5/06255—Controlling the frequency of the radiation
- H01S5/06256—Controlling the frequency of the radiation with DBR-structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
- H01S5/0687—Stabilising the frequency of the laser
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/2004—Confining in the direction perpendicular to the layer structure
- H01S5/2018—Optical confinement, e.g. absorbing-, reflecting- or waveguide-layers
- H01S5/2022—Absorbing region or layer parallel to the active layer, e.g. to influence transverse modes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4012—Beam combining, e.g. by the use of fibres, gratings, polarisers, prisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4087—Array arrangements, e.g. constituted by discrete laser diodes or laser bar emitting more than one wavelength
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optical Integrated Circuits (AREA)
- Semiconductor Lasers (AREA)
- Optical Couplings Of Light Guides (AREA)
Description
図1は、本発明の実施の形態1に係る半導体装置の平面図である。本実施の形態に係る半導体装置100は、基板10を備える。基板10には、16個の半導体レーザー12が設けられる。なお、図1では便宜上、半導体レーザー12の数が省略されている。半導体レーザー12は、DFB−LD(Distributed FeedBack Laser Diode)である。16個の半導体レーザー12は、DFB−LDアレイを構成する。16個の半導体レーザー12は、各々が異なる波長の単一モードで発振する。本実施の形態では、半導体レーザー12を16個備えるが、半導体レーザー12は複数であれば良い。
図4は、本発明の実施の形態2に係る半導体装置の平面図である。本実施の形態に係る半導体装置200は、後方光合波器224を備える。後方光合波器224は、16本の第3導波路22からの入力に対し、6個の出力ポートを備える16×6−MMI型である。各々の出力ポートには、後方導波路229の一端が接続される。本実施の形態に係る半導体装置200は6本の後方導波路229を備える。
Claims (7)
- 前端面と、後端面と、前記前端面と前記後端面の両側に配置される側面と、を備えた基板と、
前記基板に設けられた複数の半導体レーザーと、
前記基板に設けられ、前記複数の半導体レーザーの前方出力光を合波し、前記前端面に向けて出力する前方光合波器と、
前記基板に設けられ、前記複数の半導体レーザーの後方出力光を合波し、前記後端面に向けて出力する後方光合波器と、
前記基板に設けられ、前記後方光合波器の出力部に接続された複数の後方導波路と、
を備え、
前記複数の後方導波路は、
前記出力部の中央部に配置された主導波路と、
前記主導波路の両側に配置され、前記側面に向かって湾曲し、前記側面から前記側面に対して斜めに光を出力する複数の側部導波路と、
を含むことを特徴とする半導体装置。 - 前記複数の側部導波路の出力端は、前記側面よりも内側に配置されることを特徴とする請求項1に記載の半導体装置。
- 前記主導波路は、直線状であることを特徴とする請求項1または2に記載の半導体装置。
- 前記主導波路は、
第1主導波路と、
前記第1主導波路と離れた位置に平行に設けられた第2主導波路と、
を含む事を特徴とする請求項1〜3の何れか1項に記載の半導体装置。 - 前記複数の側部導波路は、前記主導波路との間に前記後方光合波器の出力光の幅以上の間隔を設けて配置されることを特徴とする請求項1〜4の何れか1項に記載の半導体装置。
- 前記複数の側部導波路は、前記主導波路の両側に同数ずつ設けられ、
前記複数の後方導波路は、等間隔に配置されることを特徴とする請求項1〜5の何れか1項に記載の半導体装置。 - 前記基板はInPを備え、
前記複数の側部導波路は、
前記基板上に配置され、InPを備えた下部クラッド層と、
前記下部クラッド層の上に配置され、InGaAsPを備えた光吸収層と、
前記下部クラッド層の上において前記光吸収層の両側に配置され、InPを備えた電流ブロック層と、
前記光吸収層と前記電流ブロック層の上に配置され、InPを備えた上部クラッド層と、
を備えることを特徴とする請求項1〜6の何れか1項に記載の半導体装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016127707A JP6565805B2 (ja) | 2016-06-28 | 2016-06-28 | 半導体装置 |
US15/401,311 US9804330B1 (en) | 2016-06-28 | 2017-01-09 | Semiconductor device |
CN201710507493.1A CN107546569B (zh) | 2016-06-28 | 2017-06-28 | 半导体装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016127707A JP6565805B2 (ja) | 2016-06-28 | 2016-06-28 | 半導体装置 |
Publications (3)
Publication Number | Publication Date |
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JP2018004754A JP2018004754A (ja) | 2018-01-11 |
JP2018004754A5 JP2018004754A5 (ja) | 2018-09-06 |
JP6565805B2 true JP6565805B2 (ja) | 2019-08-28 |
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JP2016127707A Active JP6565805B2 (ja) | 2016-06-28 | 2016-06-28 | 半導体装置 |
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US (1) | US9804330B1 (ja) |
JP (1) | JP6565805B2 (ja) |
CN (1) | CN107546569B (ja) |
Family Cites Families (23)
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US5394489A (en) * | 1993-07-27 | 1995-02-28 | At&T Corp. | Wavelength division multiplexed optical communication transmitters |
US6275317B1 (en) * | 1998-03-10 | 2001-08-14 | Agere Systems Optoelectronics Guardian Corp. | Hybrid integration of a wavelength selectable laser source and optical amplifier/modulator |
JP2002171023A (ja) * | 2000-11-30 | 2002-06-14 | Hitachi Ltd | 集積化光素子及び半導体レーザモジュール並びに光送信機 |
JP3624863B2 (ja) * | 2001-07-31 | 2005-03-02 | 日本電気株式会社 | 光半導体モジュールにおける素子配置 |
WO2003032021A2 (en) * | 2001-10-09 | 2003-04-17 | Infinera Corporation | TRANSMITTER PHOTONIC INTEGRATED CIRCUITS (TxPIC) AND OPTICAL TRANSPORT NETWORKS EMPLOYING TxPICs |
WO2003032547A2 (en) * | 2001-10-09 | 2003-04-17 | Infinera Corporation | Transmitter photonic integrated circuit |
JP3887744B2 (ja) * | 2002-03-06 | 2007-02-28 | 富士通株式会社 | 半導体光素子 |
JP2004152875A (ja) * | 2002-10-29 | 2004-05-27 | Nec Compound Semiconductor Devices Ltd | 半導体レーザモジュール |
US7424041B2 (en) * | 2004-04-29 | 2008-09-09 | Avago Technologies Fiber Ip Pte Ltd. | Wide tuneable laser sources |
US7277462B2 (en) * | 2004-04-29 | 2007-10-02 | Avago Technologies Fiber (Singapore) Pte. Ltd. | Wide tuneable laser sources |
JP4359252B2 (ja) * | 2005-03-14 | 2009-11-04 | 株式会社日立製作所 | 波長可変半導体レーザ装置 |
JP4652995B2 (ja) * | 2006-03-16 | 2011-03-16 | 古河電気工業株式会社 | 集積型半導体レーザ素子および半導体レーザモジュール |
JP4253027B2 (ja) * | 2006-11-21 | 2009-04-08 | 古河電気工業株式会社 | 光モジュール |
JP2010219227A (ja) * | 2009-03-16 | 2010-09-30 | Nec Corp | 波長可変レーザとその製造方法 |
US8102887B2 (en) * | 2009-05-26 | 2012-01-24 | Corning Incorporated | Edge bonded optical packages |
JP5306942B2 (ja) * | 2009-08-21 | 2013-10-02 | 日本電信電話株式会社 | 半導体レーザ及び光モジュール |
JP2011233829A (ja) * | 2010-04-30 | 2011-11-17 | Furukawa Electric Co Ltd:The | 集積型半導体光素子および集積型半導体光素子モジュール |
KR20120070836A (ko) * | 2010-12-22 | 2012-07-02 | 한국전자통신연구원 | 다파장 광 발생 장치 |
JP5705803B2 (ja) * | 2012-08-06 | 2015-04-22 | 古河電気工業株式会社 | 光集積素子の異常電流検知方法および光集積素子アセンブリ |
JP6124731B2 (ja) * | 2013-08-09 | 2017-05-10 | 三菱電機株式会社 | 波長モニタおよび光モジュール |
JP6299170B2 (ja) * | 2013-11-15 | 2018-03-28 | 住友大阪セメント株式会社 | 光導波路素子 |
JP6173206B2 (ja) * | 2013-12-20 | 2017-08-02 | 三菱電機株式会社 | 光集積素子 |
CN110501784B (zh) * | 2014-05-09 | 2021-01-12 | 国立大学法人福井大学 | 合波器、图像投影装置和图像投影系统 |
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- 2017-01-09 US US15/401,311 patent/US9804330B1/en active Active
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CN107546569A (zh) | 2018-01-05 |
JP2018004754A (ja) | 2018-01-11 |
CN107546569B (zh) | 2019-07-26 |
US9804330B1 (en) | 2017-10-31 |
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