JP4465219B2 - エアギャップを有するマイクロマシン静電アクチュエータ - Google Patents
エアギャップを有するマイクロマシン静電アクチュエータ Download PDFInfo
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- JP4465219B2 JP4465219B2 JP2004129835A JP2004129835A JP4465219B2 JP 4465219 B2 JP4465219 B2 JP 4465219B2 JP 2004129835 A JP2004129835 A JP 2004129835A JP 2004129835 A JP2004129835 A JP 2004129835A JP 4465219 B2 JP4465219 B2 JP 4465219B2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
- B81C1/00642—Manufacture or treatment of devices or systems in or on a substrate for improving the physical properties of a device
- B81C1/0065—Mechanical properties
- B81C1/00666—Treatments for controlling internal stress or strain in MEMS structures
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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
- G02B6/24—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
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- 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
- B81B2201/032—Bimorph and unimorph actuators, e.g. piezo and thermo
-
- 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
- B81B2203/0118—Cantilevers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C2201/00—Manufacture or treatment of microstructural devices or systems
- B81C2201/01—Manufacture or treatment of microstructural devices or systems in or on a substrate
- B81C2201/0161—Controlling physical properties of the material
- B81C2201/0163—Controlling internal stress of deposited layers
- B81C2201/0167—Controlling internal stress of deposited layers by adding further layers of materials having complementary strains, i.e. compressive or tensile strain
-
- 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
- G02B6/353—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being a shutter, baffle, beam dump or opaque element
-
- 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
- G02B6/3566—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details involving bending a beam, e.g. with cantilever
-
- 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
- G02B6/3594—Characterised by additional functional means, e.g. means for variably attenuating or branching or means for switching differently polarized beams
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H59/00—Electrostatic relays; Electro-adhesion relays
- H01H59/0009—Electrostatic relays; Electro-adhesion relays making use of micromechanics
- H01H2059/0081—Electrostatic relays; Electro-adhesion relays making use of micromechanics with a tapered air-gap between fixed and movable electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H59/00—Electrostatic relays; Electro-adhesion relays
- H01H59/0009—Electrostatic relays; Electro-adhesion relays making use of micromechanics
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Micromachines (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Fluid-Pressure Circuits (AREA)
- Mechanical Optical Scanning Systems (AREA)
Description
マイクロマシンMEMS装置は光減衰器アレイにも使用される。例えばドイツ特許第19540363A1を参照すると、それは、光放射線の偏向の目的のための配列構成において配置された静電気的に作動する片持ち構造を教示している。
Claims (10)
- 基板電極(20)を有するマイクロ電子基板(10)と、
電極層(40)及びバイアス制御構造(110,82)を含むバイアス層(60,62)を有し、前記下に横たわっている基板(10)に取り付けられた固定部分(70)と、前記固定部分から伸びる中間部分(80)と、前記中間部分(80)から屈曲点(105)に近接して伸びており、前記基板電極と前記電極層との間に生成された静電力に応答して動くことができるカールした末端部分(100)と、を含むフレキシブル複合材(50)と、
を備えたMEMS静電減衰器を使用して、電磁放射線を減衰させる方法であって、
前記静電減衰器に近接する少なくとも一つの所定経路に沿って電磁放射線を方向付ける工程と、
前記基板電極(20)と前記フレキシブル複合材電極層(40)との間に選択的に静電力を生成する工程と、
を含む方法において、
前記静電力に応答して少なくとも一つの所定経路に沿って走る電磁放射線を選択的に遮り、あるいは通過させるために前記カールした末端部分(100)を所定の距離動かす工程を更に含むことを特徴とする方法。 - 前記電磁放射線を方向付ける工程は、前記フレキシブル複合材(50)の前記中間部分(80)によって定められる平面に実質的に平行な所定の経路に沿って前記電磁放射線を方向付けることを含む請求項1に記載のMEMS静電減衰器を使用する電磁放射線の減衰方法。
- 前記電磁放射線を方向付ける工程は、前記フレキシブル複合材(50)の前記中間部分(80)によって定められる平面に実質的に垂直な所定の経路に沿って前記電磁放射線を方向付けることを含む請求項1に記載のMEMS静電減衰器を使用する電磁放射線の減衰方法。
- 前記末端部分を動かす工程は、前記基板電極(20)と前記フレキシブル複合材電極層(40)との間の静電力の選択的生成に応じて、前記末端部分(100)を前記基板電極(20)から実質的に離れるように動かすことを含む請求項1に記載のMEMS静電減衰器を使用する電磁放射線の減衰方法。
- 前記基板電極(20)と前記フレキシブル複合材電極層(40)との間に静電力が存在しない中で、前記フレキシブル複合材(50)を偏らせて前記カールした末端部分(100)を前記マイクロエレクトニック基板(10)に対して所定の方向に動かす工程を更に含む請求項1に記載のMEMS静電減衰器を使用する電磁放射線の減衰方法。
- 前記末端部分(100)を動かす工程は、前記基板電極(20)と前記フレキシブル複合材電極層(40)との間に生成される静電力の大きさを変化させることによって、前記カールした末端部分の動きの度合いを制御することを含む請求項1に記載のMEMS静電減衰器を使用する電磁放射線の減衰方法。
- 基板電極(20)を有するマイクロ電子基板(10)と、
電極層(40)及びバイアス制御構造(110,82)を含むバイアス層(60,62)を有し、前記下に横たわっている基板(10)に取り付けられた固定部分(70)と、前記固定部分から伸びる中間部分(80)と、前記中間部分(80)から屈曲点(105)に近接して伸びており、前記基板電極と前記電極層との間に生成された静電力に応答して動くことができるカールした末端部分(100)と、を含むフレキシブル複合材(50)と、
をそれぞれが備えたMEMS静電減衰器のアレイを使用して、電磁放射線を減衰させる方法であって、
前記静電減衰器のアレイに近接する少なくとも一つの所定経路に沿って電磁放射線を方向付ける工程と、
前記静電減衰器のアレイ内の選ばれた少なくとも一つの静電減衰器に対して、前記基板電極と前記フレキシブル複合材電極層との間に選択的に静電力を生成する工程と、
を含む方法において、
前記静電減衰器のアレイ内の前記選ばれた少なくとも一つの静電減衰器に対して、静電力の前記選択的生成に応答して前記カールした末端部分(100)を所定の距離動かして、少なくとも一つの所定経路に沿って走る電磁放射線を選択的に遮り、あるいは通過させる工程を更に含むことを特徴とする電磁放射線の減衰方法。 - 前記静電力を選択的に生成する工程は、前記アレイ内に属する前記静電減衰器のサブセットを作動させることを含む請求項7に記載の電磁放射線の減衰方法。
- 前記末端部分を動かす工程は、前記アレイに属する前記静電減衰器のサブセットを少なくとも横一列に配置させ、前記少なくとも横一列内で、前記フレキシブル複合材(50)の前記カールした末端部分(100)を動かすことを含む請求項7に記載の電磁放射線の減衰方法。
- 前記カールした末端部分を動かす工程は、前記アレイに属する前記静電減衰器のサブセットを少なくとも横一列と少なくとも縦一列とに配置させ、前記少なくとも横一列と前記少なくとも縦一列内で、前記フレキシブル複合材(50)の前記末端部分(100)を動かすことを含む請求項7に記載の電磁放射線の減衰方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/320,891 US6236491B1 (en) | 1999-05-27 | 1999-05-27 | Micromachined electrostatic actuator with air gap |
Related Parent Applications (1)
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JP2001500902A Division JP4068346B2 (ja) | 1999-05-27 | 2000-05-19 | エアギャップを有するマイクロマシン静電アクチュエータ |
Publications (2)
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JP2004312999A JP2004312999A (ja) | 2004-11-04 |
JP4465219B2 true JP4465219B2 (ja) | 2010-05-19 |
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JP2001500902A Expired - Fee Related JP4068346B2 (ja) | 1999-05-27 | 2000-05-19 | エアギャップを有するマイクロマシン静電アクチュエータ |
JP2004129835A Expired - Fee Related JP4465219B2 (ja) | 1999-05-27 | 2004-04-26 | エアギャップを有するマイクロマシン静電アクチュエータ |
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JP2001500902A Expired - Fee Related JP4068346B2 (ja) | 1999-05-27 | 2000-05-19 | エアギャップを有するマイクロマシン静電アクチュエータ |
Country Status (9)
Country | Link |
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US (1) | US6236491B1 (ja) |
EP (1) | EP1183566B1 (ja) |
JP (2) | JP4068346B2 (ja) |
KR (1) | KR100614140B1 (ja) |
AT (1) | ATE274196T1 (ja) |
AU (1) | AU4857800A (ja) |
CA (1) | CA2368129C (ja) |
DE (1) | DE60013118D1 (ja) |
WO (1) | WO2000073839A1 (ja) |
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1999
- 1999-05-27 US US09/320,891 patent/US6236491B1/en not_active Expired - Lifetime
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2000
- 2000-05-19 AT AT00930822T patent/ATE274196T1/de not_active IP Right Cessation
- 2000-05-19 WO PCT/US2000/013759 patent/WO2000073839A1/en not_active Application Discontinuation
- 2000-05-19 AU AU48578/00A patent/AU4857800A/en not_active Abandoned
- 2000-05-19 DE DE60013118T patent/DE60013118D1/de not_active Expired - Lifetime
- 2000-05-19 EP EP00930822A patent/EP1183566B1/en not_active Expired - Lifetime
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EP1183566B1 (en) | 2004-08-18 |
DE60013118D1 (de) | 2004-09-23 |
CA2368129C (en) | 2005-04-26 |
CA2368129A1 (en) | 2000-12-07 |
JP4068346B2 (ja) | 2008-03-26 |
US6236491B1 (en) | 2001-05-22 |
ATE274196T1 (de) | 2004-09-15 |
EP1183566A1 (en) | 2002-03-06 |
AU4857800A (en) | 2000-12-18 |
WO2000073839A1 (en) | 2000-12-07 |
KR100614140B1 (ko) | 2006-08-25 |
KR20020023942A (ko) | 2002-03-29 |
JP2004312999A (ja) | 2004-11-04 |
JP2003501274A (ja) | 2003-01-14 |
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