JP4178327B2 - 座屈型アクチュエータ - Google Patents
座屈型アクチュエータ Download PDFInfo
- Publication number
- JP4178327B2 JP4178327B2 JP2005512904A JP2005512904A JP4178327B2 JP 4178327 B2 JP4178327 B2 JP 4178327B2 JP 2005512904 A JP2005512904 A JP 2005512904A JP 2005512904 A JP2005512904 A JP 2005512904A JP 4178327 B2 JP4178327 B2 JP 4178327B2
- Authority
- JP
- Japan
- Prior art keywords
- movable body
- support beam
- support
- rotation support
- switching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
- G02B6/35—Optical coupling means having switching means
- G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
- G02B6/358—Latching of the moving element, i.e. maintaining or holding the moving element in place once operation has been performed; includes a mechanically bistable system
-
- 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
- B81B3/0051—For defining the movement, i.e. structures that guide or limit the movement of an element
-
- 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
- B81B3/0064—Constitution or structural means for improving or controlling the physical properties of a device
- B81B3/0083—Optical properties
-
- 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
-
- 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
-
- 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
- B81B2201/045—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
- B81B2203/0145—Flexible holders
- B81B2203/0163—Spring holders
-
- 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
- G02B6/35—Optical coupling means having switching means
- G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
- G02B6/3512—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being reflective, e.g. mirror
- G02B6/3514—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being reflective, e.g. mirror the reflective optical element moving along a line so as to translate into and out of the beam path, i.e. across the beam path
-
- 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
- G02B6/35—Optical coupling means having switching means
- G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
- G02B6/3512—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being reflective, e.g. mirror
- G02B6/3518—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being reflective, e.g. mirror the reflective optical element being an intrinsic part of a MEMS device, i.e. fabricated together with the MEMS device
-
- 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
- G02B6/35—Optical coupling means having switching means
- G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
- G02B6/3544—2D constellations, i.e. with switching elements and switched beams located in a plane
-
- 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
- G02B6/35—Optical coupling means having switching means
- G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
- G02B6/3568—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details characterised by the actuating force
- G02B6/357—Electrostatic force
-
- 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
- G02B6/35—Optical coupling means having switching means
- G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
- G02B6/3568—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details characterised by the actuating force
- G02B6/3572—Magnetic force
-
- 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
- G02B6/35—Optical coupling means having switching means
- G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
- G02B6/3584—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details constructional details of an associated actuator having a MEMS construction, i.e. constructed using semiconductor technology such as etching
Description
[特許文献2]米国特許第6303885号明細書
[図2]図2は図1中の矢示II−II方向からみた光スイッチの断面図である。
[図3]図3は図1中の固定部、支持梁、回転支持部等を示す要部拡大図である。
[図4]図4は図3中の矢示IV−IV方向からみた要部拡大断面図である。
[図5]図5は可動体、ミラー部等を第2の切換位置に切換えた状態を示す光スイッチの正面図である。
[図6]図6は図5中の固定部、支持梁、回転支持部等を示す要部拡大図である。
[図7]図7は可動体の変位量と支持梁のばね力との関係を示す特性線図である。
[図8]図8は可動体の変位量と位置エネルギとの関係を示す特性線図である。
[図9]図9は本発明の第2の実施の形態による光スイッチを図3と同様位置からみた要部拡大図である。
[図10]図10は本発明の第3の実施の形態による光スイッチを示す正面図である。
[図11]図11は図10中の固定部、支持梁、各回転支持部等を示す要部拡大図である。
[図12]図12は本発明の第4の実施の形態による光スイッチを示す要部拡大図である。
[図13]図13は可動体の変位量と支持梁のばね力との関係を示す特性線図である。
[図14]図14は可動体の変位量と位置エネルギとの関係を示す特性線図である。
[図15]図15は本発明の第5の実施の形態による光スイッチを示す要部拡大図である。
2 基板
3 光学装置
3A,3B 発光部
3C,3D 受光部
4,4′,32 可動体
5 ミラー部
6,22 固定部
6A,22A,32A 凹窪部
7,42 支持梁
7A,7B,42A,42B 端部
8,23,33,37 回転支持部
9〜11,24〜28,34〜36,38〜40 腕部
12〜15 電極(切換手段)
12A,13A,14A,15A 電極板
42C 剛性部
52 電磁石(切換手段)
O−O 軸線
Claims (10)
- 基板と、該基板に配置され一定の変位方向に変位可能となった可動体と、該可動体を支持するために前記基板に設けられた固定部と、該固定部と前記可動体との間に座屈可能に連結され前記可動体を前記変位方向に離間した2つの切換位置のうちいずれか一方の切換位置に支持する支持梁と、前記可動体の位置を前記各切換位置の間で切換える切換手段とからなる座屈型アクチュエータにおいて、
前記固定部と支持梁との連結部位及び前記可動体と支持梁との連結部位のうち少なくとも一方の連結部位は、互いに異なる方向に延びる3本以上の腕部からなり前記支持梁を前記基板と垂直な軸線を中心として回転可能に支持する回転支持部を構成したことを特徴とする座屈型アクチュエータ。 - 前記回転支持部の各腕部は前記支持梁の端部を中心として略T字状に延びた3本の腕部である請求項1に記載の座屈型アクチュエータ。
- 前記回転支持部の各腕部は前記支持梁の端部を中心として放射状に配設してなる請求項1に記載の座屈型アクチュエータ。
- 前記固定部と支持梁との連結部位及び前記可動体と支持梁との連結部位の両方を前記回転支持部により構成し、該各回転支持部により前記支持梁の両端側を回転可能に支持する構成としてなる請求項1,2または3に記載の座屈型アクチュエータ。
- 前記支持梁の長さ方向途中部位には端部側よりも高い剛性を有する剛性部を設けてなる請求項1,2,3または4に記載の座屈型アクチュエータ。
- 前記剛性部の断面は端部の断面に対して少なくとも2倍の剛性を有する構成としてなる請求項5に記載の座屈型アクチュエータ。
- 前記切換手段は静電力によって前記可動体を変位させる構成としてなる請求項1,2,3,4,5または6に記載の座屈型アクチュエータ。
- 前記切換手段は磁力によって前記可動体を変位させる構成としてなる請求項1,2,3,4,5または6に記載の座屈型アクチュエータ。
- 前記可動体、固定部、支持梁、回転支持部及び切換手段は単結晶のシリコン材料により構成してなる請求項1,2,3,4,5,6,7または8に記載の座屈型アクチュエータ。
- 前記可動体は前記基板に設けられた光路に対して前記切換位置に応じて進退することにより前記光路の切換を行う光スイッチを構成し、前記可動体を前記支持梁の弾性力によって前記各切換位置にそれぞれ保持する構成としてなる請求項1,2,3,4,5,6,7,8または9に記載の座屈型アクチュエータ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003291665 | 2003-08-11 | ||
JP2003291665 | 2003-08-11 | ||
PCT/JP2004/008976 WO2005015287A1 (ja) | 2003-08-11 | 2004-06-25 | 座屈型アクチュエータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2005015287A1 JPWO2005015287A1 (ja) | 2006-10-05 |
JP4178327B2 true JP4178327B2 (ja) | 2008-11-12 |
Family
ID=34131667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005512904A Expired - Fee Related JP4178327B2 (ja) | 2003-08-11 | 2004-06-25 | 座屈型アクチュエータ |
Country Status (5)
Country | Link |
---|---|
US (1) | US7304556B2 (ja) |
EP (1) | EP1564571A4 (ja) |
JP (1) | JP4178327B2 (ja) |
KR (1) | KR100634009B1 (ja) |
WO (1) | WO2005015287A1 (ja) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
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US9261694B2 (en) | 2005-02-23 | 2016-02-16 | Pixtronix, Inc. | Display apparatus and methods for manufacture thereof |
US9229222B2 (en) | 2005-02-23 | 2016-01-05 | Pixtronix, Inc. | Alignment methods in fluid-filled MEMS displays |
US8310442B2 (en) | 2005-02-23 | 2012-11-13 | Pixtronix, Inc. | Circuits for controlling display apparatus |
US9158106B2 (en) | 2005-02-23 | 2015-10-13 | Pixtronix, Inc. | Display methods and apparatus |
ES2507498T3 (es) * | 2005-02-23 | 2014-10-15 | Pixtronix, Inc. | Procedimientos y aparatos para accionar visualizaciones |
US20070205969A1 (en) | 2005-02-23 | 2007-09-06 | Pixtronix, Incorporated | Direct-view MEMS display devices and methods for generating images thereon |
US7999994B2 (en) | 2005-02-23 | 2011-08-16 | Pixtronix, Inc. | Display apparatus and methods for manufacture thereof |
US8519945B2 (en) | 2006-01-06 | 2013-08-27 | Pixtronix, Inc. | Circuits for controlling display apparatus |
US8526096B2 (en) | 2006-02-23 | 2013-09-03 | Pixtronix, Inc. | Mechanical light modulators with stressed beams |
DE102006010828B3 (de) * | 2006-03-07 | 2007-05-03 | Tyco Electronics Amp Gmbh | Elektrisches Schaltelement, insbesondere Relais, mit Schwenkhebel-Schaltmechanik |
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 |
US9176318B2 (en) | 2007-05-18 | 2015-11-03 | Pixtronix, Inc. | Methods for manufacturing fluid-filled MEMS displays |
WO2009148677A2 (en) * | 2008-03-11 | 2009-12-10 | The Regents Of The University Of California | Microelectromechanical system (mems) resonant switches and applications for power converters and amplifiers |
JP5160299B2 (ja) * | 2008-05-13 | 2013-03-13 | 日本航空電子工業株式会社 | 微細可動デバイス及びその駆動方法 |
US8169679B2 (en) | 2008-10-27 | 2012-05-01 | Pixtronix, Inc. | MEMS anchors |
US8207460B2 (en) * | 2009-01-19 | 2012-06-26 | Senda Micro Technologies, Inc. | Electrostatically actuated non-latching and latching RF-MEMS switch |
JP5274385B2 (ja) * | 2009-06-10 | 2013-08-28 | 日本航空電子工業株式会社 | 微小可動デバイス |
US8436698B2 (en) * | 2009-11-02 | 2013-05-07 | Harris Corporation | MEMS-based tunable filter |
WO2011059956A2 (en) * | 2009-11-10 | 2011-05-19 | Massachusetts Institute Of Technology | Phased array buckling actuator |
US8373522B2 (en) * | 2010-02-03 | 2013-02-12 | Harris Corporation | High accuracy MEMS-based varactors |
US20110198202A1 (en) * | 2010-02-18 | 2011-08-18 | Harris Corporation | Mems-based ultra-low power devices |
US9134552B2 (en) | 2013-03-13 | 2015-09-15 | Pixtronix, Inc. | Display apparatus with narrow gap electrostatic actuators |
US9136822B2 (en) | 2013-08-19 | 2015-09-15 | Harris Corporation | Microelectromechanical system with a micro-scale spring suspension system and methods for making the same |
US9093975B2 (en) | 2013-08-19 | 2015-07-28 | Harris Corporation | Microelectromechanical systems comprising differential inductors and methods for making the same |
US9172352B2 (en) | 2013-08-19 | 2015-10-27 | Harris Corporation | Integrated microelectromechanical system devices and methods for making the same |
US9123493B2 (en) | 2014-01-23 | 2015-09-01 | Harris Corporation | Microelectromechanical switches for steering of RF signals |
US9621775B2 (en) | 2014-05-06 | 2017-04-11 | Mems Drive, Inc. | Electrical bar latching for low stiffness flexure MEMS actuator |
EP3140563A4 (en) * | 2014-05-06 | 2018-01-17 | Mems Drive Inc. | Low stiffness flexure |
US10196259B2 (en) | 2015-12-30 | 2019-02-05 | Mems Drive, Inc. | MEMS actuator structures resistant to shock |
US11199665B2 (en) * | 2020-01-28 | 2021-12-14 | Hewlett Packard Enterprise Development Lp | Optical device for redirecting optical signals |
US11560919B2 (en) | 2020-04-08 | 2023-01-24 | The United States Of America As Represented By The Secretary Of The Army | Actuator with buckling member stability |
CN111474633B (zh) * | 2020-05-26 | 2022-06-03 | 上海工程技术大学 | 一种电磁式双反射镜mems光开关 |
Family Cites Families (8)
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KR100252009B1 (ko) * | 1997-09-25 | 2000-04-15 | 윤종용 | 마이크로 진동구조물과 그 공진주파수 조절방법 및 이를 이용한 마이크로 엑츄에이터 |
KR100312432B1 (ko) * | 1999-11-25 | 2001-11-05 | 오길록 | 마이크로 구조체를 이용한 광스위치 |
US6303885B1 (en) * | 2000-03-03 | 2001-10-16 | Optical Coating Laboratory, Inc. | Bi-stable micro switch |
JP3960451B2 (ja) * | 2000-03-06 | 2007-08-15 | Kddi株式会社 | シーン特性検出型動画像符号化装置 |
EP1325515A1 (en) * | 2000-09-11 | 2003-07-09 | Brigham Young University | Dual position linear displacement micromechanism |
US6771001B2 (en) * | 2001-03-16 | 2004-08-03 | Optical Coating Laboratory, Inc. | Bi-stable electrostatic comb drive with automatic braking |
US6828887B2 (en) * | 2002-05-10 | 2004-12-07 | Jpmorgan Chase Bank | Bistable microelectromechanical system based structures, systems and methods |
KR100549003B1 (ko) * | 2004-02-04 | 2006-02-02 | 삼성전자주식회사 | 넓은 튜닝 범위를 갖는 멤스 튜너블 커패시터 및 그것을제조하는 방법 |
-
2004
- 2004-06-25 WO PCT/JP2004/008976 patent/WO2005015287A1/ja active Application Filing
- 2004-06-25 EP EP04746445A patent/EP1564571A4/en not_active Withdrawn
- 2004-06-25 JP JP2005512904A patent/JP4178327B2/ja not_active Expired - Fee Related
- 2004-06-25 KR KR1020057002249A patent/KR100634009B1/ko not_active IP Right Cessation
- 2004-06-25 US US10/527,731 patent/US7304556B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1564571A1 (en) | 2005-08-17 |
KR100634009B1 (ko) | 2006-10-16 |
KR20060034201A (ko) | 2006-04-21 |
US7304556B2 (en) | 2007-12-04 |
JPWO2005015287A1 (ja) | 2006-10-05 |
WO2005015287A1 (ja) | 2005-02-17 |
US20060072180A1 (en) | 2006-04-06 |
EP1564571A4 (en) | 2010-01-06 |
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