KR100878919B1 - 진동형 회절 광변조기 - Google Patents
진동형 회절 광변조기 Download PDFInfo
- Publication number
- KR100878919B1 KR100878919B1 KR1020040030158A KR20040030158A KR100878919B1 KR 100878919 B1 KR100878919 B1 KR 100878919B1 KR 1020040030158 A KR1020040030158 A KR 1020040030158A KR 20040030158 A KR20040030158 A KR 20040030158A KR 100878919 B1 KR100878919 B1 KR 100878919B1
- Authority
- KR
- South Korea
- Prior art keywords
- substrate
- voltage
- vibration
- piezoelectric
- micromirror
- 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
Links
- 239000000758 substrate Substances 0.000 claims abstract description 95
- 239000000463 material Substances 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 16
- 230000010355 oscillation Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 60
- 239000010409 thin film Substances 0.000 description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 16
- 229910052710 silicon Inorganic materials 0.000 description 16
- 239000010703 silicon Substances 0.000 description 16
- 239000010408 film Substances 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 229910052697 platinum Inorganic materials 0.000 description 5
- 229910052737 gold Inorganic materials 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 230000005662 electromechanics Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229920001410 Microfiber Polymers 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 206010047571 Visual impairment Diseases 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000003658 microfiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- G02B26/0808—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 diffracting elements
-
- 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
- B81C1/00015—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems
- B81C1/00134—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems comprising flexible or deformable structures
- B81C1/00142—Bridges
-
- 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
- G02B26/0858—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 means being moved or deformed by piezoelectric means
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/85—Piezoelectric or electrostrictive active materials
- H10N30/853—Ceramic compositions
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
Description
도 16은 본 발명의 바람직한 제3 실시예에 따른 진동형 회절 광변조기의 엘리먼트의 절단면도이다.
도 17은 본 발명의 바람직한 제4 실시예에 따른 진동형 회절 광변조기의 엘리먼트의 절단면도이다.
Claims (5)
- 인가되는 전압에 따라 입사된 광을 회절시켜 피사체로 전달하는 다수의 액추에이팅 셀로 구성되는 마이크로미러 픽셀 유닛;상기 마이크로미러 픽셀 유닛을 지지하는 기판; 및상기 기판에 고정되어 인가되는 전압에 따라 소정 주파수에서 상기 기판을 진동시키는 마이크로액추에이터를 포함하며,상기 액추에이팅 셀은,리본 형상으로 형성되어 있으며 상기 기판에 양끝이 부착되어 있고, 압전 전압을 제공하기 위한 하부 전극층;상기 하부 전극층에 적층되어 있으며 양면에 전압이 인가되면 수축 및 팽창하여 상하 구동력을 발생시키는 압전 재료층; 및상기 압전 재료층에 적층되어 있으며 상기 압전 재료층에 압전 전압을 제공하고, 반사면을 포함하여 상기 압전 재료층의 상하 구동력에 의해 상하로 이동하여 입사되는 입사광을 회절시키는 상부 전극층을 포함하여 이루어진 것을 특징으로 하는 진동형 회절 광변조기.
- 제 1 항에 있어서,상기 마이크로 액추에이터는 압전소자 및 상기 압전 소자에 전압을 인가하기 위한 상부 전극 및 하부 전극을 포함하는 진동형 회절 광변조기.
- 제1항에 있어서,상기 마이크로 액추에이터는 상기 기판의 하단에 배치된 전극들을 포함하고, 상기 전극들에 인가되는 전압에 따라 진동하는 것을 특징으로 하는 진동형 회절 광변조기.
- 제1항에 있어서,상기 마이크로 액추에이터는 상기 기판의 하단에 배치된 전자석용 코일; 및상기 전자석용 코일과 인력 또는 척력을 발생시키는 영구자석을 포함하며,상기 전자석용 코일에 인가되는 전압에 따라 진동하는 것을 특징으로 하는 진동형 회절 광변조기.
- 제1항에 있어서,상기 기판은 중앙 부분에 에어 스페이스를 제공하기 위한 함몰부가 형성되어 있는 것을 특징으로 하는 진동형 회절 광변조기.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040030158A KR100878919B1 (ko) | 2004-04-29 | 2004-04-29 | 진동형 회절 광변조기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040030158A KR100878919B1 (ko) | 2004-04-29 | 2004-04-29 | 진동형 회절 광변조기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050104760A KR20050104760A (ko) | 2005-11-03 |
KR100878919B1 true KR100878919B1 (ko) | 2009-01-15 |
Family
ID=37282240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040030158A Expired - Fee Related KR100878919B1 (ko) | 2004-04-29 | 2004-04-29 | 진동형 회절 광변조기 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100878919B1 (ko) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990008170A (ko) * | 1996-02-26 | 1999-01-25 | 야스카와 히데아키 | 광변조 디바이스, 표시 장치 및 전자 기기 |
JP2000338847A (ja) * | 1999-05-28 | 2000-12-08 | Sony Corp | ホログラム記録再生装置 |
JP2002323674A (ja) | 2001-04-24 | 2002-11-08 | Sony Corp | 投影映像装置 |
-
2004
- 2004-04-29 KR KR1020040030158A patent/KR100878919B1/ko not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990008170A (ko) * | 1996-02-26 | 1999-01-25 | 야스카와 히데아키 | 광변조 디바이스, 표시 장치 및 전자 기기 |
JP2000338847A (ja) * | 1999-05-28 | 2000-12-08 | Sony Corp | ホログラム記録再生装置 |
JP2002323674A (ja) | 2001-04-24 | 2002-11-08 | Sony Corp | 投影映像装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20050104760A (ko) | 2005-11-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6379510B1 (en) | Method of making a low voltage micro-mirror array light beam switch | |
US6681063B1 (en) | Low voltage micro-mirror array light beam switch | |
JP5493735B2 (ja) | 偏向ミラー、光走査装置、画像形成装置、および画像投影装置 | |
JP4335114B2 (ja) | マイクロミラーデバイス | |
JP2001215317A (ja) | 順応型回折格子装置を具備した空間光変調器 | |
KR100645640B1 (ko) | 회절형 박막 압전 마이크로 미러 및 그 제조 방법 | |
JP4361458B2 (ja) | オープンホールを基盤とする回折光変調器 | |
JP5585478B2 (ja) | 光偏向用mems素子 | |
KR20060031452A (ko) | 디지탈 마이크로 블레이즈 회절격자 광변조기 | |
KR20050118104A (ko) | 하이브리드 광변조기 | |
KR100878919B1 (ko) | 진동형 회절 광변조기 | |
JP2008058974A (ja) | 回折型光変調器 | |
US20060077526A1 (en) | Open hole-based diffractive light modulator | |
KR100861623B1 (ko) | 진동형 회절 광변조기 | |
US6977765B1 (en) | Diffractive light modulator using cantilevers | |
Koh et al. | A 2-D MEMS scanning mirror using piezoelectric PZT beam actuators | |
KR100827314B1 (ko) | 열처리에 의해 평탄면을 가지는 멤스 소자 및 광변조기제조 방법 | |
KR100832646B1 (ko) | 오픈홀 기반의 회절 광변조기 | |
KR100632548B1 (ko) | 대칭 형상의 캔티레버를 이용한 회절형 광변조기 | |
KR100815341B1 (ko) | 피쉬본 회절형 광변조기 | |
KR100443368B1 (ko) | 미소 평판 구동 장치 | |
KR100632547B1 (ko) | 캔티레버를 이용한 회절형 광변조기 | |
KR100815349B1 (ko) | 콘트라스트가 개선된 회절형 광변조기 | |
KR100878921B1 (ko) | 임베디드 회절 광변조기 | |
KR100861055B1 (ko) | 복수의 구동 소자를 가진 광변조기 소자 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20040429 |
|
PG1501 | Laying open of application | ||
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20070131 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 20040429 Comment text: Patent Application |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20080429 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20081020 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20090108 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20090108 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |