JP2010061174A - 加工物にパターン形成するための方法及び装置、並びにその製造方法 - Google Patents
加工物にパターン形成するための方法及び装置、並びにその製造方法 Download PDFInfo
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
- G02B5/1871—Transmissive phase gratings
-
- 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
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70216—Mask projection systems
- G03F7/70283—Mask effects on the imaging process
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70216—Mask projection systems
- G03F7/70283—Mask effects on the imaging process
- G03F7/70291—Addressable masks, e.g. spatial light modulators [SLMs], digital micro-mirror devices [DMDs] or liquid crystal display [LCD] patterning devices
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Micromachines (AREA)
Abstract
【解決手段】放射を生成する第1及び第2の部分を使用して、加工物上にパターン形成するための方法、及び前記加工物上にパターンを形成するように、且つ放射に位相差を誘発するように適合された少なくとも1つの反射デバイスを備え、前記位相差が、位相シフト・プレートとステップ高さの差との少なくとも一方によって誘発される、放射源と加工物にパターン形成するための装置。
【選択図】図1
Description
ここで、Sはミラーの表面であり、λは波長であり、hは局所高さであり、rは局所反射である。ミラーからの強度寄与は、所与の偏向に関する複素振幅反射率の平方によって得ることができる。複素振幅空間内の複素振幅軌跡は、使用されるミラー偏向角に関する全て又は実質的に全ての複素振幅反射率をつなぐことによって得ることができる。例えば、均衡がとれた状態の、すなわちミラーの中心にある傾斜軸を有するフラットな傾斜ミラーでは、ミラーが対称性を有する場合があり、これは、正の位相方向での任意の位相変調が負の位相方向での等しい又は実質的に等しい位相変調によって打ち消される方法と同様又は実質的に同様の様式で偏向されて、平均位相の均衡を図ることができる。平均位相は、全て又は実質的に全ての傾斜角に関して保存される場合があり、これは、複素振幅空間の実数軸上にある複素振幅軌跡をもたらす場合がある。ミラーの非平坦性があるとき、対称性が破れる場合があり、複素振幅軌跡は、複素振幅空間内で実数軸から逸脱(例えば部分的に逸脱)する場合がある。非平坦ミラーに関して複素振幅空間内で点R=0+0i(すなわち原点)に達することは、位相ステップなしでは可能でない場合がある。複素振幅軌跡に対する虚数寄与は、リソグラフィ・システムの性能低下をもたらす最終的な像での残余位相情報を有することと同様又は実質的に同様である場合がある。また、例えば位相ステップを有さないミラーが非フラットであるとき(例えばミラーが湾曲されているとき)、複素振幅反射率が0+0i(すなわち原点)に達しない場合があり、任意のミラー偏向角に関して強度がゼロ(=黒)に達しない場合があるので、利用可能なコントラストに影響が及ぼされることもある。
Claims (10)
- 加工物にパターン形成するための方法であって、
少なくとも第1の部分及び少なくとも第2の部分を含む放射を生成し、前記放射の少なくとも前記第1の部分及び前記第2の部分を前記加工物に向けて反射するステップと、
前記放射の少なくとも前記第1の部分と前記第2の部分との間に位相差を誘発するステップと、
前記放射の少なくとも前記第1の部分及び前記第2の部分を加工物に照射するステップと、
前記放射の前記第1及び前記第2の部分を使用して、前記加工物上にパターンを形成するステップと
を含む方法。 - 前記第1の部分の位相が、前記第2の部分の位相とλ/2±n*λだけ異なり、ここでλは前記放射の波長であり、nは自然数である請求項1に記載の方法。
- 前記第1の部分の位相が、前記第2の部分の位相とλ/4±(n*λ/2)だけ異なり、ここでλは前記放射の波長であり、nは自然数である請求項1に記載の方法。
- 前記放射が電磁放射である請求項1に記載の方法。
- 前記放射が光波の形である請求項1に記載の方法。
- 加工物にパターン形成するための装置であって、
放射を生成するように適合された放射源と、
前記加工物上にパターンを形成するように、且つ前記放射に位相差を誘発するように適合された少なくとも1つの反射デバイスと
を備え、
前記位相差が、位相シフト・プレートとステップ高さの差との少なくとも一方によって誘発される装置。 - 前記少なくとも1つの反射デバイスが、さらに、
前記放射を反射するように適合された第1の部分及び第2の部分を含み、前記第1の部分によって反射される放射が、前記第2の部分によって反射される放射と位相が異なる。
請求項6に記載の装置。 - 前記第1の部分によって反射される放射の位相が、前記第2の部分によって反射される放射の位相とλ/2±n*λだけ異なり、ここでλは前記放射の波長であり、nは自然数である請求項7に記載の装置。
- 前記第1の部分と前記第2の部分とが異なるステップ高さを有する請求項7に記載の方法。
- 前記第1の部分のステップ高さが、前記第2の部分のステップ高さとλ/4±(n*λ/2)に等しい値だけ異なり、ここでλは前記放射の波長であり、nは自然数である請求項9に記載の装置。
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US52848803P | 2003-12-11 | 2003-12-11 | |
| US60/528,488 | 2003-12-11 | ||
| US52911403P | 2003-12-15 | 2003-12-15 | |
| US60/529,114 | 2003-12-15 | ||
| US53788704P | 2004-01-22 | 2004-01-22 | |
| US60/537,887 | 2004-01-22 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006543778A Division JP4464971B2 (ja) | 2003-12-11 | 2004-12-10 | 加工物にパターン形成するための方法及び装置、並びにその製造方法 |
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| Publication Number | Publication Date |
|---|---|
| JP2010061174A true JP2010061174A (ja) | 2010-03-18 |
| JP5047259B2 JP5047259B2 (ja) | 2012-10-10 |
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| JP2006543778A Expired - Fee Related JP4464971B2 (ja) | 2003-12-11 | 2004-12-10 | 加工物にパターン形成するための方法及び装置、並びにその製造方法 |
| JP2009285070A Expired - Fee Related JP5047259B2 (ja) | 2003-12-11 | 2009-12-16 | 複数の反射面を含む空間光変調器、及び加工物にパターン形成するための方法 |
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| JP2006543778A Expired - Fee Related JP4464971B2 (ja) | 2003-12-11 | 2004-12-10 | 加工物にパターン形成するための方法及び装置、並びにその製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7110159B2 (ja) |
| EP (1) | EP1706792B1 (ja) |
| JP (2) | JP4464971B2 (ja) |
| KR (1) | KR100797433B1 (ja) |
| WO (1) | WO2005057291A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013210517A (ja) * | 2012-03-30 | 2013-10-10 | Orc Manufacturing Co Ltd | マスクレス露光装置 |
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2004
- 2004-12-10 WO PCT/SE2004/001848 patent/WO2005057291A1/en not_active Ceased
- 2004-12-10 KR KR1020067010959A patent/KR100797433B1/ko not_active Expired - Fee Related
- 2004-12-10 US US11/008,566 patent/US7110159B2/en not_active Expired - Lifetime
- 2004-12-10 EP EP04820335A patent/EP1706792B1/en not_active Ceased
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06102459A (ja) * | 1992-09-17 | 1994-04-15 | Dainippon Screen Mfg Co Ltd | 光変調装置およびそれを備えた画像記録装置 |
| JP2005116609A (ja) * | 2003-10-03 | 2005-04-28 | Nikon Corp | 画像投影装置及び画像表示素子 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013210517A (ja) * | 2012-03-30 | 2013-10-10 | Orc Manufacturing Co Ltd | マスクレス露光装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100797433B1 (ko) | 2008-01-23 |
| JP4464971B2 (ja) | 2010-05-19 |
| WO2005057291A1 (en) | 2005-06-23 |
| KR20060092282A (ko) | 2006-08-22 |
| US7110159B2 (en) | 2006-09-19 |
| US20050128565A1 (en) | 2005-06-16 |
| EP1706792A1 (en) | 2006-10-04 |
| JP5047259B2 (ja) | 2012-10-10 |
| EP1706792B1 (en) | 2012-11-14 |
| JP2007522485A (ja) | 2007-08-09 |
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