WO2008145364A3 - Verfahren zur herstellung eines optischen elementes mit hilfe von abformung, optisches element hergestellt nach diesem verfahren, kollektor und beleuchtungssystem - Google Patents

Verfahren zur herstellung eines optischen elementes mit hilfe von abformung, optisches element hergestellt nach diesem verfahren, kollektor und beleuchtungssystem Download PDF

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Publication number
WO2008145364A3
WO2008145364A3 PCT/EP2008/004273 EP2008004273W WO2008145364A3 WO 2008145364 A3 WO2008145364 A3 WO 2008145364A3 EP 2008004273 W EP2008004273 W EP 2008004273W WO 2008145364 A3 WO2008145364 A3 WO 2008145364A3
Authority
WO
WIPO (PCT)
Prior art keywords
optical element
collector
production
molding process
lighting system
Prior art date
Application number
PCT/EP2008/004273
Other languages
English (en)
French (fr)
Other versions
WO2008145364A2 (de
Inventor
Udo Dinger
Ulrich Bingel
Jeffrey Erxmeyer
Eral Erzin
Bernhard Weigl
Stephane Bruynooghe
Original Assignee
Zeiss Carl Smt Ag
Udo Dinger
Ulrich Bingel
Jeffrey Erxmeyer
Eral Erzin
Bernhard Weigl
Stephane Bruynooghe
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zeiss Carl Smt Ag, Udo Dinger, Ulrich Bingel, Jeffrey Erxmeyer, Eral Erzin, Bernhard Weigl, Stephane Bruynooghe filed Critical Zeiss Carl Smt Ag
Priority to JP2010509734A priority Critical patent/JP2010528480A/ja
Priority to EP08801441A priority patent/EP2155932A2/de
Publication of WO2008145364A2 publication Critical patent/WO2008145364A2/de
Publication of WO2008145364A3 publication Critical patent/WO2008145364A3/de
Priority to US12/626,437 priority patent/US20100182710A1/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D1/00—Electroforming
    • C25D1/06—Wholly-metallic mirrors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/0005—Separation of the coating from the substrate
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
    • C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • C23C28/345—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/40—Coatings including alternating layers following a pattern, a periodic or defined repetition
    • C23C28/42—Coatings including alternating layers following a pattern, a periodic or defined repetition characterized by the composition of the alternating layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/08—Mirrors; Reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • G02B17/06—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/0816—Multilayer mirrors, i.e. having two or more reflecting layers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/0891—Ultraviolet [UV] mirrors
    • 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
    • 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
    • G03F7/70058—Mask illumination systems
    • G03F7/7015—Details of optical elements
    • G03F7/70166—Capillary or channel elements, e.g. nested extreme ultraviolet [EUV] mirrors or shells, optical fibers or light guides
    • 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
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/06—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diffraction, refraction or reflection, e.g. monochromators
    • G21K1/062—Devices having a multilayer structure
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K2201/00—Arrangements for handling radiation or particles
    • G21K2201/06—Arrangements for handling radiation or particles using diffractive, refractive or reflecting elements
    • G21K2201/061—Arrangements for handling radiation or particles using diffractive, refractive or reflecting elements characterised by a multilayer structure
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K2201/00—Arrangements for handling radiation or particles
    • G21K2201/06—Arrangements for handling radiation or particles using diffractive, refractive or reflecting elements
    • G21K2201/064—Arrangements for handling radiation or particles using diffractive, refractive or reflecting elements having a curved surface
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K2201/00—Arrangements for handling radiation or particles
    • G21K2201/06—Arrangements for handling radiation or particles using diffractive, refractive or reflecting elements
    • G21K2201/067—Construction details
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4981—Utilizing transitory attached element or associated separate material
    • Y10T29/49812—Temporary protective coating, impregnation, or cast layer

Abstract

Verfahren zur Herstellung eines optischen Elementes oder Teil eines optischen Elementes mit einem Grundkörper umfassend folgende Schritte: - Bereitstellung eines Abformkörpers (21, 1000, 2000) mit einer Oberfläche, die der Geometrie des optischen Elementes entspricht; - Abscheiden eines Schichtsystems (7), umfassend mindestens ein Trennschichtsystem (15, 1010, 2010) auf der Oberfläche des Abformkörpers (21, 1000, 2000); - Elektroformen eines Grundkörpers (4, 1030, 2030) auf dem Schichtsystem (7); - Ablösen wenigstens des Grundkörpers am Trennschichtsystem (15, 1010, 2010) vom Abformkörper (21, 1000, 2000).
PCT/EP2008/004273 2007-05-31 2008-05-29 Verfahren zur herstellung eines optischen elementes mit hilfe von abformung, optisches element hergestellt nach diesem verfahren, kollektor und beleuchtungssystem WO2008145364A2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2010509734A JP2010528480A (ja) 2007-05-31 2008-05-29 成形によって光学素子を作製する方法、この方法により作製した光学素子、集光器および照明系
EP08801441A EP2155932A2 (de) 2007-05-31 2008-05-29 Verfahren zur herstellung eines optischen elementes mit hilfe von abformung, optisches element hergestellt nach diesem verfahren, kollektor und beleuchtungssystem
US12/626,437 US20100182710A1 (en) 2007-05-31 2009-11-25 Method for producing an optical element through a molding process, optical element produced according to the method, collector, and lighting system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US93251707P 2007-05-31 2007-05-31
DE102007025278 2007-05-31
DE102007025278.3 2007-05-31
US60/932,517 2007-05-31

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/626,437 Continuation US20100182710A1 (en) 2007-05-31 2009-11-25 Method for producing an optical element through a molding process, optical element produced according to the method, collector, and lighting system

Publications (2)

Publication Number Publication Date
WO2008145364A2 WO2008145364A2 (de) 2008-12-04
WO2008145364A3 true WO2008145364A3 (de) 2009-01-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/004273 WO2008145364A2 (de) 2007-05-31 2008-05-29 Verfahren zur herstellung eines optischen elementes mit hilfe von abformung, optisches element hergestellt nach diesem verfahren, kollektor und beleuchtungssystem

Country Status (5)

Country Link
US (1) US20100182710A1 (de)
EP (1) EP2155932A2 (de)
JP (1) JP2010528480A (de)
KR (1) KR20100017443A (de)
WO (1) WO2008145364A2 (de)

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US8153994B2 (en) * 2009-12-02 2012-04-10 Media Lario S.R.L. Cooling systems and methods for grazing incidence EUV lightography collectors
US9377695B2 (en) * 2011-02-24 2016-06-28 Asml Netherlands B.V. Grazing incidence reflectors, lithographic apparatus, methods for manufacturing a grazing incidence reflector and methods for manufacturing a device
DE102011087323A1 (de) 2011-11-29 2012-12-13 Carl Zeiss Smt Gmbh Zwangsgeformtes optisches Element und Verfahren zu seiner Herstellung
DE102012200454A1 (de) * 2012-01-13 2013-01-03 Carl Zeiss Smt Gmbh Verfahren zur Herstellung eines reflektiven optischen Elements und reflektives optisches Element
DE102012201497A1 (de) 2012-02-02 2013-01-17 Carl Zeiss Smt Gmbh Kollektor mit einem Beugungsgitter
US20140134351A1 (en) * 2012-11-09 2014-05-15 Applied Materials, Inc. Method to deposit cvd ruthenium
DE102015100918A1 (de) * 2015-01-22 2016-07-28 Carl Zeiss Smt Gmbh Verfahren zum Herstellen eines reflektiven optischen Elements, reflektives optisches Element und Verwendung eines reflektiven optischen Elements
DE102015104262A1 (de) 2015-03-20 2016-09-22 Carl Zeiss Smt Gmbh Verfahren zum Herstellen eines reflektiven optischen Elements und reflektives optisches Element
DE102015213253A1 (de) 2015-07-15 2017-01-19 Carl Zeiss Smt Gmbh Spiegel, insbesondere für eine mikrolithographische Projektionsbelichtungsanlage
DE102016110351B4 (de) * 2016-06-03 2019-08-29 Carl Zeiss Meditec Ag Verfahren zur Herstellung eines optischen Elements
DE102018212224A1 (de) 2018-07-23 2020-01-23 Carl Zeiss Smt Gmbh Vorrichtung zur Rückkopplung von emittierter Strahlung in eine Laserquelle
DE102020214466A1 (de) 2020-11-18 2022-05-19 Carl Zeiss Smt Gmbh Verfahren zur Herstellung eines Grundkörpers eines optischen Elementes für die Halbleiterlithographie und Grundkörper eines optischen Elementes für die Halbleiterlithographie
CN116043284A (zh) * 2023-01-10 2023-05-02 同济大学 一种基于多层薄膜基底精密电铸的射线反射聚焦镜制造方法

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DE1801748A1 (de) * 1967-10-09 1969-05-22 Ibm Herstellungsverfahren fuer die Form einer Fliegenaugenlinse
US6285737B1 (en) * 2000-01-21 2001-09-04 Euv Llc Condenser for extreme-UV lithography with discharge source
EP1152555A1 (de) * 2000-05-03 2001-11-07 Media Lario S.r.L. Teleskopspiegel für die Übertragung optischer Daten hoher Bandbreite im freien Raum
EP1202101A2 (de) * 2000-10-27 2002-05-02 Carl Zeiss Beleuchtungssystem mit variabler Einstellung der Ausleuchtung
WO2005015314A2 (en) * 2003-07-30 2005-02-17 Carl Zeiss Smt Ag An illumination system for microlithography
WO2005073813A2 (en) * 2004-01-16 2005-08-11 Euv Llc Condenser optic with sacrificial reflective surface
WO2005091879A2 (en) * 2004-03-10 2005-10-06 Cymer, Inc. Euv light source
WO2006050891A2 (en) * 2004-11-09 2006-05-18 Carl Zeiss Smt Ag A high-precision optical surface prepared by sagging from a masterpiece

Also Published As

Publication number Publication date
JP2010528480A (ja) 2010-08-19
US20100182710A1 (en) 2010-07-22
EP2155932A2 (de) 2010-02-24
WO2008145364A2 (de) 2008-12-04
KR20100017443A (ko) 2010-02-16

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