JP2004280105A - 光の角度を拡大するマイクロミラー素子 - Google Patents
光の角度を拡大するマイクロミラー素子 Download PDFInfo
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- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
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- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
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- B81B7/00—Microstructural systems; Auxiliary parts of microstructural devices or systems
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- 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
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- 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
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- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
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- B81B2201/00—Specific applications of microelectromechanical systems
- B81B2201/04—Optical MEMS
- B81B2201/042—Micromirrors, not used as optical switches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
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- 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
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Abstract
【解決手段】基板(20)と、該基板から隔置され、及び該基板と実質的に平行に向けられたプレート(30)であって、該プレートと前記基板とがそれらの間に空洞(50)を画定する、プレート(30)とを含む、マイクロミラー素子。基板とプレートとの間に反射素子(42)が配置され、少なくとも前記反射素子と前記プレートとの間の前記空洞内に1よりも大きな屈折率を有する液体(52/53)が配置される。前記反射素子は、第1の位置と少なくとも1つの第2の位置との間で動くよう構成される。
【選択図】図1
Description
[関連特許出願への相互参照]
本出願は、本出願人の2002年4月30日出願の同時係属中の米国特許出願第10/136,719号の一部継続出願である。
ただし、n1は、平坦な界面の第1の側の屈折率を表し、A1は、平坦な界面の第1の側で、光線と、該光線が該平坦な界面を横切る点を通る該平坦な界面と垂直な線との間に形成される角度を表し、n2は、平坦な界面の第2の側の屈折率を表し、A2は、平坦な界面の第2の側で、光線と、該光線が該平坦な界面を横切る点を通る該平坦な界面と垂直な線との間に形成される角度を表す。
20 基板
22 表面
30 プレート
40 アクチュエーティング素子
47 第1の位置
48 第2の位置
50 空洞
52 液体
Claims (19)
- マイクロミラー素子であって、
基板(20)と、
該基板から隔置され、及び該基板と実質的に平行に向けられたプレート(30)であって、該プレートと前記基板とがそれらの間に空洞(50)を画定する、プレート(30)と、
前記基板と前記プレートとの間に配置された反射素子(42)と、
少なくとも前記反射素子と前記プレートとの間の前記空洞内に配置される、1よりも大きな屈折率を有する液体(52/53)とを含み、
前記反射素子が、第1の位置と少なくとも1つの第2の位置との間で動くよう構成される、マイクロミラー素子。 - 前記少なくとも1つの第2の位置が、前記第1の位置に対して一定の角度に向いた位置である、請求項1に記載のマイクロミラー素子。
- 前記反射素子が、前記液体を介して光を反射するよう構成され、該液体が、前記反射素子の所与の傾斜角(A5)について前記空洞からの前記光の出射角(A4)を増大させるよう適合される、請求項1に記載のマイクロミラー素子。
- 前記反射素子が、前記液体を介して光を反射するよう構成され、該液体が、前記反射素子の実際の傾斜角(A5)よりも大きな前記反射素子の傾斜角に相当する、前記空洞からの前記光の出射角(A4)を生成するよう適合される、請求項1に記載のマイクロミラー素子。
- 前記液体の前記屈折率が約1.3〜約1.7の範囲内にある、請求項1に記載のマイクロミラー素子。
- 前記反射素子が前記液体内に浸漬される、請求項1に記載のマイクロミラー素子。
- 前記基板上に形成された少なくとも1つの電極(60,62)を更に含み、
前記反射素子が、前記少なくとも1つの電極に対する電気信号の印加に応じて動くよう構成される、請求項1に記載のマイクロミラー素子。 - マイクロミラー素子の形成方法であって、
基板(20)を配設し、
該基板と実質的に平行にプレート(30)を向け、及び該基板から該プレートを隔置して、該プレートと前記基板との間に空洞(50)を画定し、
前記基板と前記プレートとの間に反射素子(42)を配置し、
少なくとも前記反射素子と前記プレートとの間の前記空洞内に1よりも大きな屈折率を有する液体(52/53)を配設し、
前記反射素子が、第1の位置と少なくとも1つの第2の位置との間で動くよう構成される、
という各ステップを含む、マイクロミラー素子の形成方法。 - 前記少なくとも1つの第2の位置が、前記第1の位置に対して一定の角度に向いている、請求項8に記載のマイクロミラー素子の形成方法。
- 前記反射素子が、前記液体を介して光を反射するよう構成され、前記液体が、該反射素子の所与の傾斜角(A5)について前記空洞からの前記光の出射角(A4)を増大させるよう適合される、請求項8に記載のマイクロミラー素子の形成方法。
- 前記反射素子が、前記液体を介して光を反射するよう構成され、前記液体が、該反射素子の実際の傾斜角(A5)よりも大きな前記反射素子の傾斜角に相当する、前記空洞からの前記光の出射角(A4)を生成するよう適合される、請求項8に記載のマイクロミラー素子の形成方法。
- 前記液体の前記屈折率が約1.3〜約1.7の範囲内にある、請求項8に記載のマイクロミラー素子の形成方法。
- 前記基板と前記プレートとの間に前記反射素子を配置する前記ステップが、該反射素子を前記液体内に浸漬させることを含む、請求項8に記載のマイクロミラー素子の形成方法。
- 前記基板上に少なくとも1つの電極(60,62)を形成するステップを更に含み、
前記反射素子が、前記少なくとも1つの電極に電気信号が加えられるのに応答して動くよう構成される、請求項8に記載のマイクロミラー素子の形成方法。 - 反射素子(42)を含むマイクロミラー素子(10)を用いて光を制御する方法であって、
前記反射素子において光を受容し、
前記反射素子で前記光を反射し、この際、1よりも大きな屈折率を有する液体(52/53)を介し及び該液体との界面を介して光を案内することを含み、
前記液体との前記界面を介して前記光を案内する前記ステップが、前記液体との前記界面において前記光を屈折させることを含む、
反射素子(42)を含むマイクロミラー素子(10)を用いて光を制御する方法。 - 前記液体との前記界面において前記光を屈折させる前記ステップが、前記反射素子の所与の傾斜角についての前記液体からの前記光の出射角を拡大することを含む、請求項15に記載の反射素子を含むマイクロミラー素子で光を制御する方法。
- 前記液体との前記界面において前記光を屈折させる前記ステップが、前記反射素子の実際の傾斜角(A5)よりも大きな前記反射素子の見掛け上の傾斜角に相当する出射角(A4)で前記液体から前記光を出射することを含む、請求項15に記載の反射素子を含むマイクロミラー素子で光を制御する方法。
- 前記液体の前記屈折率が約1.3〜約1.7の範囲内にある、請求項15に記載の反射素子を含むマイクロミラー素子で光を制御する方法。
- 第1の位置と、該第1の位置に対して一定の角度に向けられた少なくとも1つの第2の位置との間で、前記反射素子を動かすステップを更に含み、該ステップが、前記反射素子が前記第1の位置にあるときに前記光を第1の方向に案内し、及び前記反射素子が前記少なくとも1つの第2の位置にあるときに前記光を第2の方向に案内するステップを含む、請求項15に記載の反射素子を含むマイクロミラー素子で光を制御する方法。
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Application Number | Priority Date | Filing Date | Title |
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US10/387,310 US6972882B2 (en) | 2002-04-30 | 2003-03-12 | Micro-mirror device with light angle amplification |
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JP2004280105A true JP2004280105A (ja) | 2004-10-07 |
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JP2004070836A Pending JP2004280105A (ja) | 2003-03-12 | 2004-03-12 | 光の角度を拡大するマイクロミラー素子 |
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US (1) | US6972882B2 (ja) |
EP (1) | EP1457803A1 (ja) |
JP (1) | JP2004280105A (ja) |
KR (1) | KR20040081338A (ja) |
CN (1) | CN100357772C (ja) |
SG (1) | SG115607A1 (ja) |
TW (1) | TWI265312B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2007335859A (ja) * | 2006-06-07 | 2007-12-27 | Asml Netherlands Bv | リソグラフィ用ミラーアレイ |
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-
2003
- 2003-03-12 US US10/387,310 patent/US6972882B2/en not_active Expired - Fee Related
- 2003-09-26 TW TW092126695A patent/TWI265312B/zh not_active IP Right Cessation
- 2003-09-30 EP EP03022168A patent/EP1457803A1/en not_active Withdrawn
- 2003-12-12 CN CNB2003101233496A patent/CN100357772C/zh not_active Expired - Fee Related
-
2004
- 2004-01-07 SG SG200400166A patent/SG115607A1/en unknown
- 2004-03-11 KR KR1020040016351A patent/KR20040081338A/ko not_active Application Discontinuation
- 2004-03-12 JP JP2004070836A patent/JP2004280105A/ja active Pending
Cited By (1)
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JP2007335859A (ja) * | 2006-06-07 | 2007-12-27 | Asml Netherlands Bv | リソグラフィ用ミラーアレイ |
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CN100357772C (zh) | 2007-12-26 |
US6972882B2 (en) | 2005-12-06 |
US20030202266A1 (en) | 2003-10-30 |
CN1530679A (zh) | 2004-09-22 |
KR20040081338A (ko) | 2004-09-21 |
TW200417752A (en) | 2004-09-16 |
TWI265312B (en) | 2006-11-01 |
EP1457803A1 (en) | 2004-09-15 |
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