JP7153685B2 - 光学デバイス - Google Patents
光学デバイス Download PDFInfo
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- JP7153685B2 JP7153685B2 JP2020070299A JP2020070299A JP7153685B2 JP 7153685 B2 JP7153685 B2 JP 7153685B2 JP 2020070299 A JP2020070299 A JP 2020070299A JP 2020070299 A JP2020070299 A JP 2020070299A JP 7153685 B2 JP7153685 B2 JP 7153685B2
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- 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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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Micromachines (AREA)
- Spectrometry And Color Measurement (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
- Optical Elements Other Than Lenses (AREA)
- Optical Couplings Of Light Guides (AREA)
- Led Device Packages (AREA)
- Glass Compositions (AREA)
Description
[光モジュールの構成]
[ミラーユニットの構成]
[ミラーユニットの他の構成]
[第1支持構造及びビームスプリッタユニットの構成]
[第2支持構造及び光入射部等の構成]
[作用及び効果]
[変形例]
Claims (11)
- 主面を有するベースと、
可動部と、
前記ベースと前記可動部との間に接続され、前記可動部が前記主面と交差する所定方向に沿って移動可能となるように前記可動部を支持する複数の弾性支持部と、
前記可動部上に配置された光学機能部と、を備え、
前記ベース及び前記可動部は、第1半導体層、絶縁層及び第2半導体層を前記所定方向における一方の側からこの順に有する半導体基板によって構成されており、
前記ベースは、前記第1半導体層、前記絶縁層及び前記第2半導体層によって構成されており、
前記可動部は、前記第2半導体層によって構成された配置部を有し、
前記光学機能部は、前記配置部における前記一方の側の表面上に配置されており、
前記ベースを構成する前記第1半導体層は、前記ベースを構成する前記第2半導体層よりも厚く、
前記ベースにおける前記一方の側の表面は、前記光学機能部よりも前記一方の側に位置しており、
前記複数の弾性支持部の各々は、
レバーと、
前記レバーと前記ベースとの間に接続された第1捩り支持部と、
前記レバーと前記可動部との間に接続された第2捩り支持部と、を有する、光学デバイス。 - 前記可動部は、前記光学機能部の周辺に配置された梁部を更に有し、
前記梁部における前記一方の側の端面は、前記光学機能部よりも前記一方の側に位置している、請求項1に記載の光学デバイス。 - 前記梁部は、前記所定方向から見た場合に前記配置部の外縁に沿って延在するように、前記配置部における前記一方の側の前記表面上に配置されている、請求項2に記載の光学デバイス。
- 前記梁部を構成する前記第1半導体層は、前記ベースを構成する前記第1半導体層よりも薄い、請求項2又は3に記載の光学デバイス。
- 前記可動部は、前記所定方向から見た場合に前記配置部を囲む枠部と、前記配置部と前記枠部とを互いに連結する連結部と、を更に有する、請求項1~4のいずれか一項に記載の光学デバイス。
- 前記枠部及び前記連結部は、前記第2半導体層によって構成されている、請求項5に記載の光学デバイス。
- 前記可動部は、前記光学機能部の周辺に配置された梁部と、前記所定方向から見た場合に前記配置部を囲む枠部と、前記配置部と前記枠部とを互いに連結する連結部と、を更に有し、
前記梁部は、前記所定方向から見た場合に前記枠部に沿って延在するように、前記枠部における前記一方の側の表面上に配置されている、請求項1に記載の光学デバイス。 - 前記ベースに設けられた電極パッドを更に備え、
前記電極パッドは、前記第2半導体層に至るように前記第1半導体層における前記一方の側の表面に形成された開口内において、前記第2半導体層における前記一方の側の表面上に配置されている、請求項1~7のいずれか一項に記載の光学デバイス。 - 前記電極パッドは、前記開口の底面及び側面にわたって延在している、請求項8に記載の光学デバイス。
- 前記電極パッド及び前記光学機能部の各々は、金属層によって構成されており、
前記電極パッドを構成する金属層は、前記光学機能部を構成する金属層よりも厚い、請求項8又は9に記載の光学デバイス。 - 請求項1~10のいずれか一項に記載の光学デバイスと、
前記光学デバイスに対して前記所定方向における他方の側に配置された光学機能部材と、
前記光学機能部材に対して前記他方の側に配置された固定ミラーと、を備え、
前記光学機能部は、前記可動部と共に可動ミラーを構成するミラー面である、ミラーユニット。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2022159595A JP7413475B2 (ja) | 2017-07-06 | 2022-10-03 | 光学デバイス |
JP2023221536A JP2024032724A (ja) | 2017-07-06 | 2023-12-27 | 光学デバイス |
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JP2017133089 | 2017-07-06 | ||
JP2017133089 | 2017-07-06 |
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JP2019007834A Division JP6691245B2 (ja) | 2017-07-06 | 2019-01-21 | 光学デバイス |
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JP2022159595A Division JP7413475B2 (ja) | 2017-07-06 | 2022-10-03 | 光学デバイス |
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JP2020129116A JP2020129116A (ja) | 2020-08-27 |
JP7153685B2 true JP7153685B2 (ja) | 2022-10-14 |
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Family Applications (15)
Application Number | Title | Priority Date | Filing Date |
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JP2018554596A Active JP6480091B1 (ja) | 2017-07-06 | 2018-07-06 | ミラーユニット及び光モジュール |
JP2018556948A Active JP6471274B1 (ja) | 2017-07-06 | 2018-07-06 | 光学デバイス |
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