JP4586146B2 - 電気力学的マイクロミラー素子およびその製造方法 - Google Patents
電気力学的マイクロミラー素子およびその製造方法 Download PDFInfo
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- JP4586146B2 JP4586146B2 JP2006538296A JP2006538296A JP4586146B2 JP 4586146 B2 JP4586146 B2 JP 4586146B2 JP 2006538296 A JP2006538296 A JP 2006538296A JP 2006538296 A JP2006538296 A JP 2006538296A JP 4586146 B2 JP4586146 B2 JP 4586146B2
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- Prior art keywords
- micromirror
- layer
- micromirrors
- forming
- mirror
- 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
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- 238000004519 manufacturing process Methods 0.000 title claims description 40
- 238000000034 method Methods 0.000 title claims description 22
- 230000005520 electrodynamics Effects 0.000 title claims description 10
- 239000000758 substrate Substances 0.000 claims description 62
- 239000010410 layer Substances 0.000 claims description 40
- 229910052710 silicon Inorganic materials 0.000 claims description 18
- 239000002344 surface layer Substances 0.000 claims description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- 239000010703 silicon Substances 0.000 claims description 15
- 239000012212 insulator Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 238000000059 patterning Methods 0.000 claims description 8
- 238000005530 etching Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 238000000151 deposition Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- 229910021417 amorphous silicon Inorganic materials 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 229910000838 Al alloy Inorganic materials 0.000 description 7
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- 238000004544 sputter deposition Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- BLIQUJLAJXRXSG-UHFFFAOYSA-N 1-benzyl-3-(trifluoromethyl)pyrrolidin-1-ium-3-carboxylate Chemical compound C1C(C(=O)O)(C(F)(F)F)CCN1CC1=CC=CC=C1 BLIQUJLAJXRXSG-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 238000002310 reflectometry Methods 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004050 hot filament vapor deposition Methods 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229920000547 conjugated polymer Polymers 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 229940007392 tylan Drugs 0.000 description 1
- WBPYTXDJUQJLPQ-VMXQISHHSA-N tylosin Chemical compound O([C@@H]1[C@@H](C)O[C@H]([C@@H]([C@H]1N(C)C)O)O[C@@H]1[C@@H](C)[C@H](O)CC(=O)O[C@@H]([C@H](/C=C(\C)/C=C/C(=O)[C@H](C)C[C@@H]1CC=O)CO[C@H]1[C@@H]([C@H](OC)[C@H](O)[C@@H](C)O1)OC)CC)[C@H]1C[C@@](C)(O)[C@@H](O)[C@H](C)O1 WBPYTXDJUQJLPQ-VMXQISHHSA-N 0.000 description 1
- 235000019375 tylosin Nutrition 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
- G02B26/0816—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Micromachines (AREA)
- Mechanical Optical Scanning Systems (AREA)
Description
これらの本発明の効果は、以下の詳細な説明および請求項から明らかになる。
1)マイクロミラー、
2)マイクロミラーアドレス電極、および
3)制御回路。
図1の特定のケースにおいて、制御回路は直角データ線(101および102)、水平アドレス線(103および104)、NMOSトランジスタ(117、118、119および120)およびそれらを結ぶ電気接続から成り、制御回路は、マイクロミラーおよびそのアドレス電極間のバイアス電圧の加圧を制御するために提供される回路としての手段である。図1に示すように、制御回路は、NMOSトランジスタからできている。しかしながら、制御回路はCMOS回路、PMOS回路、バイポーラートランジスタ回路、BiCMOS回路、DMOS回路、HEMT回路、アモルファスシリコン薄膜トランジスタ回路、ポリシリコン薄膜トランジスタ回路、SiGeトランジスタ回路、SiCトランジスタ回路、GaNトランジスタ回路、GaAsトランジスタ回路、InPトランジスタ回路、CdSeトランジスタ回路、有機トランジスタ回路および共役高分子トランジスタ回路を含む他方式の回路でもよいことを理解しなければならない。
1)マイクロミラー支持構造811の上部は、露出していて平面であること、
2)除去的層803は平面であること、そして、
3)マイクロミラー支持構造811の上部および除去的層803の上部は、同じレベルにある。
この明細書において、上部は、図面ページでは一番下を意味する。平坦化工程の結果は、図式的に図8Kに示される。
Claims (3)
- 前記素子基板の第1の表面層上に制御回路を形成する第1の工程と第2の表面層上に複数のマイクロミラー部を形成する第2の工程とからなり、該第2の工程が、除去材料の層に埋め込まれるように、マイクロミラー支持構造を複数形成する工程と、前記除去層および前記マイクロミラー支持構造の上部が実質的に平面であるように平坦化すること工程と、該平坦面上にマイクロミラー素材を付着す工程と、複数のマイクロミラーを形成するために、前記マイクロミラー素材をパターン化する工程と、そして、エッチング・プロセスによって前記の除去層を取り除く工程により、マイクロミラーを支持するための複数の支持構造を形成することからなる、電気力学的マイクロミラーの配列素子の製造方法。
- 複数のマイクロミラーを形成する工程が、その反射面が前記素子基板の平面に入射する光伝播ベクトル方向に直角となる辺を有さないように各々のマイクロミラーをパターン化する工程を有する、請求項1記載の電気力学的マイクロミラーの配列素子の製造方法。
- エピタキシャル最上層のシリコン層、絶縁体層および最下層のシリコン層からなるシリコン−オン−絶縁物基板を提供する工程と、前記エピタキシャル最上層のシリコン層上に制御回路を形成する工程と、前記最下層のシリコン層を取り除くことにより絶縁体層を露出させる工程と、除去材料の層に埋め込まれるように、マイクロミラー支持構造を複数形成する工程と、前記除去層および前記マイクロミラー支持構造の上部が実質的に平面であるように平坦化すること工程と、該平坦面上にマイクロミラー素材を付着す工程と、複数のマイクロミラーを形成するために、前記マイクロミラー素材をパターン化する工程と、そして、エッチング・プロセスによって前記の除去層を取り除く工程により、複数のマイクロミラー部を前記露出した絶縁体層の上に形成し、マイクロミラーを支えるための複数の支持構造を形成し、かつ、前記マイクロミラーが少なくとも1つに該支持構造によって支えられている複数のマイクロミラーを形成する工程からなる、電気力学的マイクロミラーの配列素子の製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/698,620 US20050094241A1 (en) | 2003-11-01 | 2003-11-01 | Electromechanical micromirror devices and methods of manufacturing the same |
PCT/US2004/035974 WO2005046206A2 (en) | 2003-11-01 | 2004-10-29 | Electromechanical micromirror devices and methods of manufacturing the same |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2007510954A JP2007510954A (ja) | 2007-04-26 |
JP2007510954A5 JP2007510954A5 (ja) | 2008-01-10 |
JP4586146B2 true JP4586146B2 (ja) | 2010-11-24 |
Family
ID=34550697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006538296A Expired - Fee Related JP4586146B2 (ja) | 2003-11-01 | 2004-10-29 | 電気力学的マイクロミラー素子およびその製造方法 |
Country Status (3)
Country | Link |
---|---|
US (3) | US20050094241A1 (ja) |
JP (1) | JP4586146B2 (ja) |
WO (1) | WO2005046206A2 (ja) |
Families Citing this family (16)
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US7643195B2 (en) * | 2003-11-01 | 2010-01-05 | Silicon Quest Kabushiki-Kaisha | Mirror device |
US7777959B2 (en) * | 2004-05-27 | 2010-08-17 | Angstrom, Inc. | Micromirror array lens with fixed focal length |
US7864394B1 (en) * | 2005-08-31 | 2011-01-04 | The United States Of America As Represented By The Secretary Of The Navy | Dynamically variable metamaterial lens and method |
US7691400B2 (en) * | 2006-05-05 | 2010-04-06 | Medtronic Vascular, Inc. | Medical device having coating with zeolite drug reservoirs |
US8023172B2 (en) * | 2006-08-30 | 2011-09-20 | Silicon Quest Kabushiki-Kaisha | Mirror device |
US7652813B2 (en) * | 2006-08-30 | 2010-01-26 | Silicon Quest Kabushiki-Kaisha | Mirror device |
US7863752B2 (en) * | 2009-02-25 | 2011-01-04 | Capella Photonics, Inc. | MEMS device with integrated via and spacer |
US8040590B2 (en) * | 2009-10-29 | 2011-10-18 | Qualcomm Mems Technologies, Inc. | Interferometric modulation devices having triangular subpixels |
WO2011134515A1 (en) | 2010-04-28 | 2011-11-03 | Lemoptix Sa | Micro-projection device with anti-speckle imaging mode |
US8654435B2 (en) * | 2010-10-06 | 2014-02-18 | Fusao Ishii | Microwindow device |
EP2447755B1 (en) | 2010-10-26 | 2019-05-01 | Lumentum Operations LLC | A pivotable MEMS device |
WO2014168658A1 (en) * | 2013-04-09 | 2014-10-16 | Fusao Ishii | Mirror device with flat and smooth mirror surface without protrusion or dip |
US9429760B2 (en) * | 2014-10-07 | 2016-08-30 | Christie Digital Systems Usa, Inc. | Spatial color mixing in a cascade imaging system |
US12077427B2 (en) * | 2018-09-29 | 2024-09-03 | Ignite, Inc. | MEMS display device with a vertical hinge |
CN111491144B (zh) * | 2019-01-28 | 2023-04-07 | 深圳光峰科技股份有限公司 | 显示方法、显示系统及计算机存储介质 |
US11668925B2 (en) * | 2020-03-25 | 2023-06-06 | Compertum Microsystems Inc. | MEMS micro-mirror device with stopper and method of making same |
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US7183618B2 (en) * | 2004-08-14 | 2007-02-27 | Fusao Ishii | Hinge for micro-mirror devices |
-
2003
- 2003-11-01 US US10/698,620 patent/US20050094241A1/en not_active Abandoned
-
2004
- 2004-10-29 WO PCT/US2004/035974 patent/WO2005046206A2/en active Application Filing
- 2004-10-29 JP JP2006538296A patent/JP4586146B2/ja not_active Expired - Fee Related
-
2005
- 2005-07-23 US US11/187,248 patent/US7375872B2/en not_active Expired - Lifetime
-
2008
- 2008-02-12 US US12/069,837 patent/US7746538B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2007510954A (ja) | 2007-04-26 |
WO2005046206A2 (en) | 2005-05-19 |
US20080180778A1 (en) | 2008-07-31 |
US7375872B2 (en) | 2008-05-20 |
US20050094241A1 (en) | 2005-05-05 |
WO2005046206A3 (en) | 2006-05-18 |
US20060018005A1 (en) | 2006-01-26 |
US7746538B2 (en) | 2010-06-29 |
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