KR100634009B1 - 좌굴형 액츄에이터 - Google Patents
좌굴형 액츄에이터 Download PDFInfo
- Publication number
- KR100634009B1 KR100634009B1 KR1020057002249A KR20057002249A KR100634009B1 KR 100634009 B1 KR100634009 B1 KR 100634009B1 KR 1020057002249 A KR1020057002249 A KR 1020057002249A KR 20057002249 A KR20057002249 A KR 20057002249A KR 100634009 B1 KR100634009 B1 KR 100634009B1
- Authority
- KR
- South Korea
- Prior art keywords
- movable body
- support beam
- support
- switching
- substrate
- Prior art date
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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
-
- 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
- G02B6/3564—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
-
- 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
- G02B6/3518—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
- G02B6/3584—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
Abstract
Description
Claims (10)
- 기판과, 상기 기판에 배치되어 일정한 변위방향으로 변위 가능하게 된 가동체와, 상기 가동체를 지지하기 위하여 상기 기판에 형성된 고정부와, 상기 고정부와 상기 가동체 사이에 좌굴(座屈) 가능하게 연결되어 상기 가동체를 상기 변위방향으로 이간한 2개의 전환위치 중 어느 한쪽의 전환위치에 지지하는 지지빔과, 상기 가동체의 위치를 상기 각 전환위치 사이에서 전환하는 전환수단으로 이루어지는 좌굴형 액츄에이터로서,상기 고정부와 지지빔의 연결부위 및 상기 가동체와 지지빔의 연결부위 중에서 적어도 한쪽의 연결부위는 서로 다른 방향으로 연장되는 3개이상의 암부(arm portions)로 이루어지며 상기 지지빔을 상기 기판과 수직인 축선을 중심으로 해서 회전 가능하게 지지하는 회전 지지부를 구성한 것을 특징으로 하는 좌굴형 액츄에이터.
- 제 1 항에 있어서, 상기 회전 지지부의 각 암부는 상기 지지빔의 단부를 중심으로 해서 실질적으로 T자형상으로 연장된 3개의 암부인 좌굴형 액츄에이터.
- 제 1 항에 있어서, 상기 회전 지지부의 각 암부는 상기 지지빔의 단부를 중심으로 해서 방사상으로 배치하여 이루어지는 좌굴형 액츄에이터.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서, 상기 고정부와 지지빔의 연결부위 및 상기 가동체와 지지빔의 연결부위의 양방을 상기 회전 지지부에 의해 구성하고, 상기 각 회전 지지부에 의해 상기 지지빔의 양단측을 회전 가능하게 지지하는 구성으로 해서 이루어지는 좌굴형 액츄에이터.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서, 상기 지지빔의 길이방향 도중부위에는 단부측보다도 높은 강성(剛性)을 갖는 강성부를 형성하여 이루어지는 좌굴형 액츄에이터.
- 제 5 항에 있어서, 상기 강성부의 단면은 단부의 단면에 대하여 적어도 2배의 강성을 갖는 구성으로 해서 이루어지는 좌굴형 액츄에이터.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서, 상기 전환수단은 정전력에 의해 상기 가동체를 변위시키는 구성으로 해서 이루어지는 좌굴형 액츄에이터.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서, 상기 전환수단은 자력(磁力)에 의해 상기 가동체를 변위시키는 구성으로 해서 이루어지는 좌굴형 액츄에이터.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서, 상기 가동체, 고정부, 지지빔, 회전 지지부 및 전환수단은 단결정의 실리콘 재료에 의해 구성하여 이루어지는 좌굴형 액츄에이터.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서, 상기 가동체는 상기 기판에 형성된 광로에 대하여 상기 전환위치에 따라 진퇴함으로써 상기 광로의 전환을 행하는 광스위치를 구성하고, 상기 가동체를 상기 지지빔의 탄성력에 의해 상기 각 전환위치에 각각 유지하는 구성으로 해서 이루어지는 좌굴형 액츄에이터.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2003-00291665 | 2003-08-11 | ||
JP2003291665 | 2003-08-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060034201A KR20060034201A (ko) | 2006-04-21 |
KR100634009B1 true KR100634009B1 (ko) | 2006-10-16 |
Family
ID=34131667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020057002249A KR100634009B1 (ko) | 2003-08-11 | 2004-06-25 | 좌굴형 액츄에이터 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7304556B2 (ko) |
EP (1) | EP1564571A4 (ko) |
JP (1) | JP4178327B2 (ko) |
KR (1) | KR100634009B1 (ko) |
WO (1) | WO2005015287A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111474633A (zh) * | 2020-05-26 | 2020-07-31 | 上海工程技术大学 | 一种电磁式双反射镜mems光开关 |
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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 |
US7999994B2 (en) | 2005-02-23 | 2011-08-16 | Pixtronix, Inc. | Display apparatus and methods for manufacture thereof |
US20070205969A1 (en) | 2005-02-23 | 2007-09-06 | Pixtronix, Incorporated | Direct-view MEMS display devices and methods for generating images thereon |
US8519945B2 (en) | 2006-01-06 | 2013-08-27 | Pixtronix, Inc. | Circuits for controlling display apparatus |
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 |
CN103345058A (zh) * | 2005-02-23 | 2013-10-09 | 皮克斯特隆尼斯有限公司 | 用于作动显示器的方法和装置 |
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 |
US8593035B2 (en) * | 2009-11-10 | 2013-11-26 | 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 |
US9093975B2 (en) | 2013-08-19 | 2015-07-28 | Harris Corporation | Microelectromechanical systems comprising differential inductors and methods for making the same |
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 |
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 |
WO2015171227A1 (en) | 2014-05-06 | 2015-11-12 | Mems Drive, Inc. | Low stiffness flexure |
US9621775B2 (en) | 2014-05-06 | 2017-04-11 | Mems Drive, Inc. | Electrical bar latching for low stiffness flexure MEMS actuator |
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 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 JP JP2005512904A patent/JP4178327B2/ja not_active Expired - Fee Related
- 2004-06-25 EP EP04746445A patent/EP1564571A4/en not_active Withdrawn
- 2004-06-25 US US10/527,731 patent/US7304556B2/en not_active Expired - Fee Related
- 2004-06-25 KR KR1020057002249A patent/KR100634009B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111474633A (zh) * | 2020-05-26 | 2020-07-31 | 上海工程技术大学 | 一种电磁式双反射镜mems光开关 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2005015287A1 (ja) | 2006-10-05 |
WO2005015287A1 (ja) | 2005-02-17 |
EP1564571A1 (en) | 2005-08-17 |
KR20060034201A (ko) | 2006-04-21 |
JP4178327B2 (ja) | 2008-11-12 |
US20060072180A1 (en) | 2006-04-06 |
US7304556B2 (en) | 2007-12-04 |
EP1564571A4 (en) | 2010-01-06 |
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