JP5778212B2 - マイクロエレクトロメカニカルシステム用マイクロミラーを製造する方法 - Google Patents
マイクロエレクトロメカニカルシステム用マイクロミラーを製造する方法 Download PDFInfo
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- JP5778212B2 JP5778212B2 JP2013127372A JP2013127372A JP5778212B2 JP 5778212 B2 JP5778212 B2 JP 5778212B2 JP 2013127372 A JP2013127372 A JP 2013127372A JP 2013127372 A JP2013127372 A JP 2013127372A JP 5778212 B2 JP5778212 B2 JP 5778212B2
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- Prior art keywords
- mirror
- wafer
- silicon
- micromirror
- comb finger
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Classifications
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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
-
- 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
- B81B3/0062—Devices moving in two or more dimensions, i.e. having special features which allow movement in more than one dimension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B2201/00—Specific applications of microelectromechanical systems
- B81B2201/03—Microengines and actuators
- B81B2201/033—Comb drives
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B2203/00—Basic microelectromechanical structures
- B81B2203/05—Type of movement
- B81B2203/058—Rotation out of a plane parallel to the substrate
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Micromachines (AREA)
- Mechanical Optical Scanning Systems (AREA)
Description
Claims (7)
- 可動コームフィンガが形成されているミラーと、前記ミラーに対向するアンカーと、前記ミラーを前記アンカーに接続する可撓性のあるヒンジとを有する本体と、固定コームフィンガが形成されている固定電極とから構成され、前記可動コームフィンガと前記固定コームフィンガとの間に作動電圧が加えられると、これら前記可動コームフィンガと前記固定コームフィンガとが静電気力によって相互に作用し合い前記ミラーが回転するマイクロミラーを製造する方法であって、
単一クリスタルデバイスシリコン層が、埋込酸化物でハンドルシリコンウエハに結合され、
フォトリソグラフィ及び部分シリコンエッチングを前記単一クリスタルデバイスシリコン層で行って、前記ミラーの上部と、前記ミラーに対向するアンカーの上部と、前記ヒンジの上部と、前記固定コームフィンガと、を形成し、
部分的にエッチングされたシリコンオンインシュレータウエハをキャリアウエハに結合し、
フォトリソグラフィ及び部分シリコンエッチングにより、前記ミラーの下部と、前記ミラーに対向するアンカーの下部と、前記ヒンジの下部と、前記可動コームフィンガと、を形成し、
ドライエッチングプロセスを使用して、前記ミラー、前記ヒンジ及び可動コームフィンガをシリコンオンインシュレータウエハから剥離することを特徴とするマイクロミラーを製造する方法。 - 前記部分シリコンエッチング工程は、ディープリアクティブイオンエッチング(DRIE)で行われる請求項1記載の方法。
- 電気的絶縁コーティングを有する前記キャリアウエハは、熱酸化物フィルムである、請求項1又は2記載の方法。
- シリコンウエハは、SOIウエハである、請求項1〜3のいずれかに記載の方法。
- 回転中に前記ミラーの圧搾空気減衰を避けるために、前記キャリアウエハに穴またはキャビティの一方を形成する工程を含む、請求項1〜4のいずれかに記載の方法。
- 帯電を避けるために、前記キャリアウエハのキャビティの底部表面に薄いメタルフィルム電極を形成する工程を含む、請求項1〜5のいずれかに記載の方法。
- 前記シリコンウエハを前記キャリアウエハに結合する工程は、融着又は陽極接合を使用して行われる、請求項1〜6のいずれかに記載の方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US92152207P | 2007-04-04 | 2007-04-04 | |
| US60/921,522 | 2007-04-04 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010501610A Division JP5462780B2 (ja) | 2007-04-04 | 2008-04-01 | マイクロエレクトロメカニカルシステム用マイクロミラー |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2013231983A JP2013231983A (ja) | 2013-11-14 |
| JP5778212B2 true JP5778212B2 (ja) | 2015-09-16 |
Family
ID=39826644
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010501610A Active JP5462780B2 (ja) | 2007-04-04 | 2008-04-01 | マイクロエレクトロメカニカルシステム用マイクロミラー |
| JP2013127372A Active JP5778212B2 (ja) | 2007-04-04 | 2013-06-18 | マイクロエレクトロメカニカルシステム用マイクロミラーを製造する方法 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010501610A Active JP5462780B2 (ja) | 2007-04-04 | 2008-04-01 | マイクロエレクトロメカニカルシステム用マイクロミラー |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7535620B2 (ja) |
| JP (2) | JP5462780B2 (ja) |
| WO (1) | WO2008122865A2 (ja) |
Families Citing this family (28)
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| WO2008092060A2 (en) * | 2007-01-26 | 2008-07-31 | Miradia Inc. | A mems mirror system for laser printing applications |
| DE102009000168B4 (de) * | 2009-01-13 | 2017-03-23 | Robert Bosch Gmbh | Mikromechanische Strukturen und Verfahren zum Betrieb einer mikromechanischen Struktur |
| US8238018B2 (en) * | 2009-06-01 | 2012-08-07 | Zhou Tiansheng | MEMS micromirror and micromirror array |
| US10551613B2 (en) | 2010-10-20 | 2020-02-04 | Tiansheng ZHOU | Micro-electro-mechanical systems micromirrors and micromirror arrays |
| US9036231B2 (en) | 2010-10-20 | 2015-05-19 | Tiansheng ZHOU | Micro-electro-mechanical systems micromirrors and micromirror arrays |
| KR20120102387A (ko) * | 2011-03-08 | 2012-09-18 | 삼성전자주식회사 | 표시 장치와 이의 제조 방법 |
| US9385634B2 (en) | 2012-01-26 | 2016-07-05 | Tiansheng ZHOU | Rotational type of MEMS electrostatic actuator |
| JP6234750B2 (ja) * | 2013-09-12 | 2017-11-22 | 株式会社豊田中央研究所 | 静電容量型アクチュエータアレイの駆動回路 |
| JP6412878B2 (ja) | 2013-11-07 | 2018-10-24 | 住友精密工業株式会社 | 電子部品の製造方法 |
| DE102013225364A1 (de) * | 2013-12-10 | 2015-06-11 | Robert Bosch Gmbh | Kammantrieb mit einem verschwenkbaren Spiegelelement |
| US9036230B1 (en) * | 2013-12-24 | 2015-05-19 | Chen-Chi Lin | Torsional electrostatic combdrive with increased stiffness |
| CN107113522B (zh) * | 2015-01-08 | 2020-06-09 | 韩国技术教育大学产学协力团 | 传声器 |
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| CN110799884B (zh) | 2017-07-06 | 2022-03-01 | 浜松光子学株式会社 | 光学装置 |
| 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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| WO2020173919A2 (de) | 2019-02-27 | 2020-09-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mikromechanische struktur, mikromechanisches system und verfahren zum bereitstellen einer mikromechanischen struktur |
| CN110879466A (zh) * | 2019-12-04 | 2020-03-13 | 中国科学院光电技术研究所 | 一种实现低频大角度mems扫描镜的装置 |
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2007
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2008
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- 2008-04-01 WO PCT/IB2008/000811 patent/WO2008122865A2/en not_active Ceased
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2013
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5462780B2 (ja) | 2014-04-02 |
| JP2013231983A (ja) | 2013-11-14 |
| JP2010525377A (ja) | 2010-07-22 |
| WO2008122865A2 (en) | 2008-10-16 |
| US7535620B2 (en) | 2009-05-19 |
| US20080247029A1 (en) | 2008-10-09 |
| WO2008122865A3 (en) | 2011-04-21 |
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