JP4880915B2 - マイクロリソグラフィ用投影露光装置の光学システム - Google Patents
マイクロリソグラフィ用投影露光装置の光学システム Download PDFInfo
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- JP4880915B2 JP4880915B2 JP2005114876A JP2005114876A JP4880915B2 JP 4880915 B2 JP4880915 B2 JP 4880915B2 JP 2005114876 A JP2005114876 A JP 2005114876A JP 2005114876 A JP2005114876 A JP 2005114876A JP 4880915 B2 JP4880915 B2 JP 4880915B2
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- Prior art keywords
- optical
- axis
- birefringence
- optical system
- birefringent
- Prior art date
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- Expired - Lifetime
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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
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/708—Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
- G03F7/7095—Materials, e.g. materials for housing, stage or other support having particular properties, e.g. weight, strength, conductivity, thermal expansion coefficient
- G03F7/70958—Optical materials or coatings, e.g. with particular transmittance, reflectance or anti-reflection properties
- G03F7/70966—Birefringence
-
- 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
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/14—Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation
- G02B13/143—Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation for use with ultraviolet radiation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3083—Birefringent or phase retarding elements
-
- 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
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
- G03F7/7055—Exposure light control in all parts of the microlithographic apparatus, e.g. pulse length control or light interruption
- G03F7/70566—Polarisation control
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Environmental & Geological Engineering (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Lenses (AREA)
- Polarising Elements (AREA)
Description
Claims (16)
- 直線偏光された複数の光線によって形成される投影光ビーム(14)が、複屈折材料からなる光学エレメント(L2,L3)を通過するマイクロリソグラフィ用投影露光装置の光学システムにおいて、前記複屈折材料に入る各光線が前記複屈折材料の複屈折軸に対して実質的に平行又は実質的に垂直に直線偏光するように前記複屈折材料が向けられ、前記複屈折軸は、前記複屈折材料の屈折率がそれぞれの光線に対して最大となる軸であり、
前記光学エレメント(L2,L3)に入るすべての光線の振動面は、前記光学システム(10)の光軸(26)及びそれぞれの前記光線の伝播方向によって定義される平面に対して、少なくとも実質的に垂直又は平行である光学システム。 - 前記複屈折材料に入る各光線は、それぞれの前記複屈折軸から15°を超えない値で、好ましくは5°を超えない値で偏倚している偏光方向(30,30’)を有する請求項1に記載の光学システム。
- 前記複屈折材料に入る各光線は、それぞれの前記複屈折軸から75°を超えるが105°を超えない値で、好ましくは85°を超えるが95°を超えない値で偏倚している偏光方向(30,30’)を有する請求項1に記載の光学システム。
- 前記複屈折材料は立方晶であり、特にCaF2又はBaF2又はCa1‐xBaxF2であり、前記光軸(26)に対して[100]結晶軸が実質的に平行に延びるように向けられる請求項1に記載の光学システム。
- 前記光学エレメント(L2,L3)は、少なくとも2つのサブエレメントを含み、そのそれぞれが立方晶からなり、特にCaF2又はBaF2又はCa1‐xBaxF2からなり、前記少なくとも2つのサブエレメントの結晶が、それらの全体的な複屈折方向分布が前記光学システム(10)の前記光軸(26)に関して実質的に放射状又は接線状となるように整列させられる請求項1に記載の光学システム。
- 前記結晶は、方向分布が少なくとも実質的に回転対称となるように整列させられる請求項5に記載の光学システム。
- 前記光学エレメントは、[100]結晶軸が前記光軸(26)と実質的に平行に延びるように結晶格子が整列している結晶から作られ、かつ前記光軸(26)に対して、相互に45°の回転又はその奇数倍の回転が与えられた第1のサブエレメント(L2)と第2のサブエレメント(L3)を含む請求項6に記載の光学システム。
- 前記光学エレメントは、[111]結晶軸が前記光軸(26)と実質的に平行に延びるように結晶格子が整列している結晶から作られ、かつ前記光軸(26)に関して、相互に60°の回転又はその奇数倍の回転が与えられた第1のサブエレメントと第2のサブエレメントを含む請求項6に記載の光学システム。
- 前記光学エレメントは、前記システム(10)の前記光軸(26)に対して実質的に放射状又は接線状の複屈折方向分布を伴う応力誘導性複屈折を有する材料からなる請求項1に記載の光学システム。
- 前記システムは、マスク(11)を照明するための照明システム(15)である請求項1〜9のいずれか1項に記載の光学システム。
- 前記システムは、マスク(11)内に含まれる構造を感光層(12)上へ結像するための投影対物レンズ(10)である請求項1〜9のいずれか1項に記載の光学システム。
- マイクロリソグラフィ投影露光装置内の複屈折光学エレメント(L2,L3)が投影光ビーム(14)のあらかじめ決定済みの偏光分布に作用する摂動を低減するための方法において:
前記光学エレメント(L2,L3)を構成する材料が、前記複屈折材料に入る各光線が前記複屈折材料の複屈折軸に対して実質的に平行又は実質的に垂直に直線偏光するように向けられ、前記複屈折軸は、それに沿った前記複屈折材料の屈折率がそれぞれの光線に関して最大となる複屈折軸であり、
前記あらかじめ決定済みの偏光分布にあっては、前記光学エレメントに入るすべての光線の振動面が、前記投影露光装置の光軸(26)及びそれぞれの光線の伝播方向によって定義される平面に対して、少なくとも実質的に垂直又は平行である方法。 - 前記複屈折材料は立方晶であり、特にCaF2又はBaF2又はCa1‐xBaxF2であり、前記光軸(26)に対して[100]結晶軸が実質的に平行に延びるように向けられ、かつ前記結晶が、前記偏光分布の摂動を低減するために、前記光軸(26)に関して回転させられる請求項12に記載の方法。
- 前記複屈折材料の向きを決定するとき、前記光線が前記複屈折材料を通過する位置が考慮に入れられる請求項12〜13のいずれか1項に記載の方法。
- 前記複屈折材料は応力誘導性複屈折である請求項14に記載の方法。
- マイクロ構造コンポーネントのマイクロリソグラフィック製造のための方法であって: (a)感光性材料の層(12)を支持するための支持体(13)を提供するステップ; (b)結像されるべき構造を含むマスク(11)を提供するステップ;及び、
(c)請求項1〜11のいずれか1項に従った光学システム(10)を含む投影露光装置を使用することによって前記マスク(11)の少なくとも一部を前記層(12)上に投影するステップ;
を含む方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56206004P | 2004-04-14 | 2004-04-14 | |
| US60/562,060 | 2004-04-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005303313A JP2005303313A (ja) | 2005-10-27 |
| JP4880915B2 true JP4880915B2 (ja) | 2012-02-22 |
Family
ID=34934415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005114876A Expired - Lifetime JP4880915B2 (ja) | 2004-04-14 | 2005-04-12 | マイクロリソグラフィ用投影露光装置の光学システム |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20050243222A1 (ja) |
| EP (1) | EP1586946A3 (ja) |
| JP (1) | JP4880915B2 (ja) |
| KR (1) | KR101190438B1 (ja) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7423727B2 (en) * | 2005-01-25 | 2008-09-09 | Asml Netherlands B.V. | Lithographic apparatus and device manufacturing method |
| US20060198029A1 (en) * | 2005-03-01 | 2006-09-07 | Karl-Heinz Schuster | Microlithography projection objective and projection exposure apparatus |
| US7764427B2 (en) * | 2006-02-21 | 2010-07-27 | Carl Zeiss Smt Ag | Microlithography optical system |
| US8023104B2 (en) * | 2007-01-22 | 2011-09-20 | Carl Zeiss Smt Gmbh | Microlithographic projection exposure apparatus |
| WO2009061196A1 (en) * | 2007-11-08 | 2009-05-14 | Asml Netherlands B.V. | Lithographic projection apparatus and method of compensating perturbation factors |
| DE102008054683A1 (de) | 2008-03-13 | 2009-09-17 | Carl Zeiss Smt Ag | Optisches System einer mikrolithographischen Projektionsbelichtungsanlage, sowie Verfahren zum Manipulieren der Abbildungseigenschaften eines optischen Systems |
| DE102012200368A1 (de) | 2012-01-12 | 2013-07-18 | Carl Zeiss Smt Gmbh | Polarisationsbeeinflussende optische Anordnung, insbesondere in einer mikrolithographischen Projektionsbelichtungsanlage |
| CN104049473B (zh) * | 2014-07-01 | 2016-01-20 | 中国科学院长春光学精密机械与物理研究所 | 一种径向抽拉式结构的物镜保护窗口 |
| DE102017115262B9 (de) * | 2017-07-07 | 2021-05-27 | Carl Zeiss Smt Gmbh | Verfahren zur Charakterisierung einer Maske für die Mikrolithographie |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2894808B2 (ja) * | 1990-07-09 | 1999-05-24 | 旭光学工業株式会社 | 偏光を有する光学系 |
| JP2796005B2 (ja) * | 1992-02-10 | 1998-09-10 | 三菱電機株式会社 | 投影露光装置及び偏光子 |
| DE19520563A1 (de) * | 1995-06-06 | 1996-12-12 | Zeiss Carl Fa | Beleuchtungseinrichtung für ein Projektions-Mikrolithographie-Gerät |
| US6285443B1 (en) * | 1993-12-13 | 2001-09-04 | Carl-Zeiss-Stiftung | Illuminating arrangement for a projection microlithographic apparatus |
| DE19535392A1 (de) * | 1995-09-23 | 1997-03-27 | Zeiss Carl Fa | Radial polarisationsdrehende optische Anordnung und Mikrolithographie-Projektionsbelichtungsanlage damit |
| US6201634B1 (en) * | 1998-03-12 | 2001-03-13 | Nikon Corporation | Optical element made from fluoride single crystal, method for manufacturing optical element, method for calculating birefringence of optical element and method for determining direction of minimum birefringence of optical element |
| US6067311A (en) * | 1998-09-04 | 2000-05-23 | Cymer, Inc. | Excimer laser with pulse multiplier |
| EP1224497A4 (en) * | 1999-06-25 | 2003-08-27 | Corning Inc | LENS ELEMENTS FOR VUV MICROLITHOGRAPHY OF DOUBLE BREAKAGE-MINIMIZING FLUORIDE CRYSTALS AND BLANKS THEREFOR |
| WO2001057483A1 (en) * | 2000-02-01 | 2001-08-09 | American Holographic, Inc. | Holographic grating spectrum analyzer |
| DE10010131A1 (de) * | 2000-03-03 | 2001-09-06 | Zeiss Carl | Mikrolithographie - Projektionsbelichtung mit tangentialer Polarisartion |
| KR20040015251A (ko) * | 2001-05-15 | 2004-02-18 | 칼 짜이스 에스엠티 아게 | 불화물 결정 렌즈들을 포함하는 렌즈 시스템 |
| DE10124566A1 (de) * | 2001-05-15 | 2002-11-21 | Zeiss Carl | Optisches Abbildungssystem mit Polarisationsmitteln und Quarzkristallplatte hierfür |
| DE10124803A1 (de) * | 2001-05-22 | 2002-11-28 | Zeiss Carl | Polarisator und Mikrolithographie-Projektionsanlage mit Polarisator |
| US6683710B2 (en) * | 2001-06-01 | 2004-01-27 | Optical Research Associates | Correction of birefringence in cubic crystalline optical systems |
| US20030011893A1 (en) * | 2001-06-20 | 2003-01-16 | Nikon Corporation | Optical system and exposure apparatus equipped with the optical system |
| US6831731B2 (en) * | 2001-06-28 | 2004-12-14 | Nikon Corporation | Projection optical system and an exposure apparatus with the projection optical system |
| DE10133841A1 (de) * | 2001-07-18 | 2003-02-06 | Zeiss Carl | Objektiv mit Kristall-Linsen |
| DE10162796B4 (de) * | 2001-12-20 | 2007-10-31 | Carl Zeiss Smt Ag | Verfahren zur Optimierung der Abbildungseigenschaften von mindestens zwei optischen Elementen sowie photolithographisches Fertigungsverfahren |
| AU2003252135A1 (en) * | 2002-07-26 | 2004-02-16 | Massachusetts Institute Of Technology | Optical imaging using a pupil filter and coordinated illumination polarisation |
| AU2002364974A1 (en) * | 2002-09-03 | 2004-03-29 | Carl Zeiss Smt Ag | Objective with birefringent lenses |
| JP4189724B2 (ja) * | 2002-09-09 | 2008-12-03 | 株式会社ニコン | 露光装置および露光方法 |
| JP2004172328A (ja) * | 2002-11-20 | 2004-06-17 | Nikon Corp | 投影光学系、投影光学系の調整方法、投影光学系の製造方法、露光装置及び露光方法 |
| DE10302765A1 (de) * | 2003-01-24 | 2004-07-29 | Carl Zeiss Smt Ag | Optische Anordnung mit Linse aus einachsig doppelbrechendem Material |
| US6943941B2 (en) * | 2003-02-27 | 2005-09-13 | Asml Netherlands B.V. | Stationary and dynamic radial transverse electric polarizer for high numerical aperture systems |
| US6970233B2 (en) * | 2003-12-03 | 2005-11-29 | Texas Instruments Incorporated | System and method for custom-polarized photolithography illumination |
-
2005
- 2005-03-22 EP EP05006179A patent/EP1586946A3/en not_active Withdrawn
- 2005-04-12 US US11/104,101 patent/US20050243222A1/en not_active Abandoned
- 2005-04-12 KR KR1020050030424A patent/KR101190438B1/ko not_active Expired - Fee Related
- 2005-04-12 JP JP2005114876A patent/JP4880915B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005303313A (ja) | 2005-10-27 |
| EP1586946A3 (en) | 2007-01-17 |
| KR20060045631A (ko) | 2006-05-17 |
| US20050243222A1 (en) | 2005-11-03 |
| EP1586946A2 (en) | 2005-10-19 |
| KR101190438B1 (ko) | 2012-10-11 |
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