KR950010659B1 - 마이크로 광개폐 장치 및 그 제조방법 - Google Patents
마이크로 광개폐 장치 및 그 제조방법 Download PDFInfo
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- KR950010659B1 KR950010659B1 KR1019920020984A KR920020984A KR950010659B1 KR 950010659 B1 KR950010659 B1 KR 950010659B1 KR 1019920020984 A KR1019920020984 A KR 1019920020984A KR 920020984 A KR920020984 A KR 920020984A KR 950010659 B1 KR950010659 B1 KR 950010659B1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F3/00—Optical logic elements; Optical bistable devices
-
- 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
- G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
-
- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/901—Printed circuit
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24917—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including metal layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24926—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including ceramic, glass, porcelain or quartz layer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nanotechnology (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Nonlinear Science (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Micromachines (AREA)
Abstract
Description
Claims (11)
- 빛을 차단하거나 통과시키는 광개폐장치에 있어서, 저항체 박막으로 형성되는 샷터 이동자(12)와, 유리기판(1)위에 형성되고 상기 샷터 이동자(12)를 직선운동 시키기 위한 3상의 고정자와, 상기 3상의 고정자위에 도포된 절연막(5a, 5b) 및, 상기 절연막(5b)위에 형성되고 상기 샷터 이동자(12)의 운동 가이드가 되는 프렘임(13)을 포함하는 것을 특징으로 하는 마이크로 광개폐장치.
- 제 1 항에 있어서, 상기 3상의 고정자는 상기 유리기판(1)위에 각각 소정의 폭으로 형성되는 신호선을 위한 신호전극(2)과, 선택선을 위한 선택전극(3) 및, 공통전극(4)을 포함하는 것을 특징으로 하는 마이크로 광개폐장치.
- 제 2 항에 있어서, 상기 신호전극(2)과 상기 선택전극(3) 및 상기 공통전극(4)은 각각 30, 30, 20μm정도의 폭을 갖고 상호간 약 20μm정도의 간격을 두고 형성되는 것을 특징으로 하는 마이크로 광개폐장치.
- 광개폐장치를 제조하는 방법에 있어서, 고온의 유리기판(1)상에 데이타 신호가 제공되는 신호선을 위한 신호전극(2)을 형성하는 단계와, 상기 유리기판(1)상에 선택신호가 제공되는 선택전극(3)과 공통전극(4)을 각각 형성한 후 제 1 및 제 2 절연층(5a, 5b)을 순차로 증착하는 단계와, 운동하는 부재를 분리독립 시키기 위해 제거될 제 1 희생층(6)을 상기 제 2 절연층(5b)상에 증착하고 샷터이동자(12)를 형성한 후 제 2 희생층(9)을 증착하는 단계와, 상기 제 1 및 제 2 희생층(6, 9)의 소정영역을 순차로 부식시켜 드러나는 상기 제 2 절연층(5b)상에 상기 샷터 이동자(12)의 직선운동 가이드를 위한 프레임(13)을 형성하는 단계 및, 상기 제 1 및 제 2 희생층(6, 9)을 제거하는 단계를 포함하는 것을 특징으로 하는 마이크로 광개폐장치의 제조방법.
- 제 4 항에 있어서, 상기 신호전극(2)을 형성하는 단계는 스퍼터링 방법으로 상기 유리기판(1)상에 50nm~10μm의 두께로 ITO를 증착하고 5~100μm정도의 폭으로 정의하는 것을 특징으로 하는 마이크로 광개폐장치의 제조방법.
- 제 4 항에 있어서, 상기 선택전극(3) 및 상기 공통전극(4)을 형성하는 단계는 전자빔 증착방법으로 상기 유리기판(1)상에 50nm~10μm의 두께로 Cr을 증착하는 것을 특징으로 하는 마이크로 광개폐장치의 제조방법.
- 제 4 항에 있어서, 상기 제 1 및 제 2 절연층(5a, 5b)은 질화실리콘인 것을 특징으로하는 마이크로 광개폐장치의 제조방법.
- 제 4 항에 있어서, 상기 제 1 및 제 2 절연층(5a, 5b)의 증착단계는 선택선과 신호선이 교차하는 경우 상기 제 1 절연층(5a)에 상기 신호전극(2)과 상기 신호선의 전기적 연결을 위해 RIE방법으로 비아를 형성하고, 전자빔 증착방법으로 Cr을 50nm~10μm의 두께로 증착하고 포토레지스트를 도포한 후 상기 신호선을 정의하는 단계를 포함하는 것을 특징으로 하는 마이크로 광개폐장치의 제조방법.
- 제 4 항에 있어서, 상기 제 1 및 제 2 희생층(6, 9)은 A1으로 형성되는 것을 특징으로 하는 마이크로 광개폐장치의 제조방법.
- 제 4 항에 있어서, 상기 샷터 이동자(12)를 형성하는 단계는 LPCVD방법으로 상기 제 1 희생층(6)상에 질화실리콘(7) 및 비정질 실리코(8)을 순차로 증착하는 단계와, 포토레지스트를 도포한 후 포토레지스트를 마스크로 사용하여 상기 샷터 이동자(12)를 정의하는 단계를 포함하는 것을 특징으로 하는 마이크로 광개폐장치의 제조방법.
- 제 4 항에 있어서, 상기 프레임 형성 단계는 LPCVD방법으로 0.1~3μm 정도 두께의 질화실리콘(10)과 0.4~7μm정도 두께의 비정질 실리콘(10)을 순차로 증착하는 단계와, 포토레지스트를 도포한 후 포토레지스트를 마스크로서 사용하여 상기 비정질 실리콘(11)과 상기 질화실리콘(10)을 순차로 식각하는 단계를 포함하는 것을 특징으로하는 마이크로 광개폐장치의 제조방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920020984A KR950010659B1 (ko) | 1992-11-10 | 1992-11-10 | 마이크로 광개폐 장치 및 그 제조방법 |
US08/149,653 US5393710A (en) | 1992-11-10 | 1993-11-09 | Method for manufacturing a micro light valve |
JP5281530A JP2599886B2 (ja) | 1992-11-10 | 1993-11-10 | 光開閉装置 |
US08/224,295 US5554434A (en) | 1992-11-10 | 1994-04-07 | Micro light valve and method for manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920020984A KR950010659B1 (ko) | 1992-11-10 | 1992-11-10 | 마이크로 광개폐 장치 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR940012024A KR940012024A (ko) | 1994-06-22 |
KR950010659B1 true KR950010659B1 (ko) | 1995-09-21 |
Family
ID=19342777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920020984A Expired - Fee Related KR950010659B1 (ko) | 1992-11-10 | 1992-11-10 | 마이크로 광개폐 장치 및 그 제조방법 |
Country Status (3)
Country | Link |
---|---|
US (2) | US5393710A (ko) |
JP (1) | JP2599886B2 (ko) |
KR (1) | KR950010659B1 (ko) |
Families Citing this family (47)
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US6057814A (en) * | 1993-05-24 | 2000-05-02 | Display Science, Inc. | Electrostatic video display drive circuitry and displays incorporating same |
CN1283369A (zh) * | 1997-10-31 | 2001-02-07 | 大宇电子株式会社 | 光学投影系统中的薄膜驱动的反光镜组的制造方法 |
ES2189463T3 (es) * | 1998-06-04 | 2003-07-01 | Cavendish Kinetics Ltd | Elemento micromecanico. |
JP3265479B2 (ja) | 1999-11-15 | 2002-03-11 | 独立行政法人産業技術総合研究所 | 光アクチュエータ |
US6429034B1 (en) * | 1999-12-16 | 2002-08-06 | Corning Incorporated | Method of making high aspect ratio features during surface micromachining |
KR100685940B1 (ko) * | 2000-07-25 | 2007-02-22 | 엘지.필립스 엘시디 주식회사 | 디스플레이 장치 및 그 제조방법 |
US6753845B1 (en) | 2000-11-03 | 2004-06-22 | Electronics For Imaging, Inc. | Methods and apparatus for addressing pixels in a display |
WO2003069593A2 (en) * | 2002-02-09 | 2003-08-21 | Display Science, Inc. | Flexible video displays and their manufacture |
EP1573389B1 (en) * | 2002-12-16 | 2018-05-30 | E Ink Corporation | Backplanes for electro-optic displays |
CN1314986C (zh) * | 2003-10-22 | 2007-05-09 | 高通Mems科技公司 | 微机电结构及其制造方法 |
US7311861B2 (en) * | 2004-06-01 | 2007-12-25 | Boston Scientific Scimed, Inc. | Embolization |
US9082353B2 (en) * | 2010-01-05 | 2015-07-14 | Pixtronix, Inc. | Circuits for controlling display apparatus |
US7999994B2 (en) | 2005-02-23 | 2011-08-16 | Pixtronix, Inc. | Display apparatus and methods for manufacture thereof |
US9087486B2 (en) * | 2005-02-23 | 2015-07-21 | Pixtronix, Inc. | Circuits for controlling display apparatus |
US9261694B2 (en) * | 2005-02-23 | 2016-02-16 | Pixtronix, Inc. | Display apparatus and methods for manufacture thereof |
US9158106B2 (en) * | 2005-02-23 | 2015-10-13 | Pixtronix, Inc. | Display methods and apparatus |
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 |
US8519945B2 (en) | 2006-01-06 | 2013-08-27 | Pixtronix, Inc. | Circuits for controlling display apparatus |
EP1859311B1 (en) * | 2005-02-23 | 2008-11-19 | Pixtronix Inc. | Light modulator and method for manufature thereof |
CA2795329C (en) * | 2005-02-23 | 2015-04-07 | Pixtronix, Inc. | Methods and apparatus for actuating displays |
US20070205969A1 (en) | 2005-02-23 | 2007-09-06 | Pixtronix, Incorporated | Direct-view MEMS display devices and methods for generating images thereon |
US8526096B2 (en) | 2006-02-23 | 2013-09-03 | Pixtronix, Inc. | Mechanical light modulators with stressed beams |
KR20090006198A (ko) * | 2006-04-19 | 2009-01-14 | 이그니스 이노베이션 인크. | 능동형 디스플레이를 위한 안정적 구동 방식 |
US9176318B2 (en) * | 2007-05-18 | 2015-11-03 | Pixtronix, Inc. | Methods for manufacturing fluid-filled MEMS displays |
US8169679B2 (en) | 2008-10-27 | 2012-05-01 | Pixtronix, Inc. | MEMS anchors |
US20110205259A1 (en) * | 2008-10-28 | 2011-08-25 | Pixtronix, Inc. | System and method for selecting display modes |
ITTO20110995A1 (it) | 2011-10-31 | 2013-05-01 | St Microelectronics Srl | Dispositivo micro-elettro-meccanico dotato di regioni conduttive sepolte e relativo procedimento di fabbricazione |
US9134552B2 (en) | 2013-03-13 | 2015-09-15 | Pixtronix, Inc. | Display apparatus with narrow gap electrostatic actuators |
DE202013008329U1 (de) * | 2013-09-19 | 2015-01-05 | Schölly Fiberoptic GmbH | Endoskop |
US11714316B2 (en) | 2017-09-20 | 2023-08-01 | New Visual Media Group, L.L.C. | Highly reflective electrostatic shutter display |
US10914114B2 (en) | 2018-07-06 | 2021-02-09 | Guardian Glass, LLC | Electric potentially-driven shade including shutter supporting surface-modified conductive coating, and/or method of making the same |
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US11174676B2 (en) | 2020-02-03 | 2021-11-16 | Guardian Glass, LLC | Electric potentially-driven shade with improved shade extension control, and/or associated methods |
US11634942B2 (en) | 2020-02-03 | 2023-04-25 | Guardian Glass, LLC | Electric potentially-driven shade with electrostatic shade retraction, and/or associated methods |
US11421470B2 (en) | 2020-02-17 | 2022-08-23 | Guardian Glass, LLC | Coil skew correction techniques for electric potentially-driven shade, and/or associated methods |
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CN115004552B (zh) * | 2020-06-28 | 2025-06-20 | 深圳清华大学研究院 | 一种基于悬浮电位的面内滑动式并联电容射频开关 |
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US5181016A (en) * | 1991-01-15 | 1993-01-19 | The United States Of America As Represented By The United States Department Of Energy | Micro-valve pump light valve display |
-
1992
- 1992-11-10 KR KR1019920020984A patent/KR950010659B1/ko not_active Expired - Fee Related
-
1993
- 1993-11-09 US US08/149,653 patent/US5393710A/en not_active Expired - Lifetime
- 1993-11-10 JP JP5281530A patent/JP2599886B2/ja not_active Expired - Lifetime
-
1994
- 1994-04-07 US US08/224,295 patent/US5554434A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH06202009A (ja) | 1994-07-22 |
JP2599886B2 (ja) | 1997-04-16 |
US5554434A (en) | 1996-09-10 |
KR940012024A (ko) | 1994-06-22 |
US5393710A (en) | 1995-02-28 |
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