WO2008105989A3 - Laser produced plasma euv light source - Google Patents

Laser produced plasma euv light source Download PDF

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Publication number
WO2008105989A3
WO2008105989A3 PCT/US2008/001349 US2008001349W WO2008105989A3 WO 2008105989 A3 WO2008105989 A3 WO 2008105989A3 US 2008001349 W US2008001349 W US 2008001349W WO 2008105989 A3 WO2008105989 A3 WO 2008105989A3
Authority
WO
WIPO (PCT)
Prior art keywords
plasma
gas
optic
light source
euv light
Prior art date
Application number
PCT/US2008/001349
Other languages
French (fr)
Other versions
WO2008105989A2 (en
Inventor
Alexander N Bykanov
Norbert R Bowering
Igor V Fomenkov
David C Brandt
Alexander I Ershov
Oleh V Khodykin
William N Partlo
Original Assignee
Cymer Inc
Alexander N Bykanov
Norbert R Bowering
Igor V Fomenkov
David C Brandt
Alexander I Ershov
Oleh V Khodykin
William N Partlo
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 Cymer Inc, Alexander N Bykanov, Norbert R Bowering, Igor V Fomenkov, David C Brandt, Alexander I Ershov, Oleh V Khodykin, William N Partlo filed Critical Cymer Inc
Priority to KR1020157004339A priority Critical patent/KR101703788B1/en
Priority to EP08713374.0A priority patent/EP2115406B1/en
Priority to JP2009551988A priority patent/JP5597993B2/en
Priority to KR1020167032418A priority patent/KR20160136471A/en
Publication of WO2008105989A2 publication Critical patent/WO2008105989A2/en
Publication of WO2008105989A3 publication Critical patent/WO2008105989A3/en

Links

Classifications

    • 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
    • G03F7/70908—Hygiene, e.g. preventing apparatus pollution, mitigating effect of pollution or removing pollutants from apparatus
    • G03F7/70916—Pollution mitigation, i.e. mitigating effect of contamination or debris, e.g. foil traps
    • 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
    • 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
    • G03F7/70008—Production of exposure light, i.e. light sources
    • G03F7/70033—Production of exposure light, i.e. light sources by plasma extreme ultraviolet [EUV] sources
    • 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
    • G03F7/70908—Hygiene, e.g. preventing apparatus pollution, mitigating effect of pollution or removing pollutants from apparatus
    • 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
    • G03F7/70983—Optical system protection, e.g. pellicles or removable covers for protection of mask
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G2/00—Apparatus or processes specially adapted for producing X-rays, not involving X-ray tubes, e.g. involving generation of a plasma
    • H05G2/001—X-ray radiation generated from plasma
    • H05G2/003—X-ray radiation generated from plasma being produced from a liquid or gas
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G2/00—Apparatus or processes specially adapted for producing X-rays, not involving X-ray tubes, e.g. involving generation of a plasma
    • H05G2/001—X-ray radiation generated from plasma
    • H05G2/008—X-ray radiation generated from plasma involving a beam of energy, e.g. laser or electron beam in the process of exciting the plasma

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • General Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Atmospheric Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Theoretical Computer Science (AREA)
  • X-Ray Techniques (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)

Abstract

A device is disclosed which may comprise a system generating a plasma at a plasma site, the plasma producing EUV radiation and ions exiting the plasma. The device may also include an optic, e.g., a multi-layer mirror, distanced from the site by a distance, d, and a flowing gas disposed between the plasma and optic, the gas establishing a gas pressure sufficient to operate over the distance, d, to reduce ion energy below a pre-selected value before the ions reach the optic, hi one embodiment, the gas may comprise hydrogen and in a particular embodiment, the gas may comprise greater than 50 percent hydrogen by volume.
PCT/US2008/001349 2007-02-26 2008-02-01 Laser produced plasma euv light source WO2008105989A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020157004339A KR101703788B1 (en) 2007-02-26 2008-02-01 Laser produced plasma euv light source
EP08713374.0A EP2115406B1 (en) 2007-02-26 2008-02-01 Laser produced plasma euv light source
JP2009551988A JP5597993B2 (en) 2007-02-26 2008-02-01 Laser generated plasma EUV light source
KR1020167032418A KR20160136471A (en) 2007-02-26 2008-02-01 Laser produced plasma euv light source

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US90364307P 2007-02-26 2007-02-26
US60/903,643 2007-02-26
US11/786,145 2007-04-10
US11/786,145 US7671349B2 (en) 2003-04-08 2007-04-10 Laser produced plasma EUV light source

Publications (2)

Publication Number Publication Date
WO2008105989A2 WO2008105989A2 (en) 2008-09-04
WO2008105989A3 true WO2008105989A3 (en) 2009-02-19

Family

ID=39666912

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/001349 WO2008105989A2 (en) 2007-02-26 2008-02-01 Laser produced plasma euv light source

Country Status (6)

Country Link
US (2) US7671349B2 (en)
EP (1) EP2115406B1 (en)
JP (1) JP5597993B2 (en)
KR (3) KR20160136471A (en)
TW (1) TWI394009B (en)
WO (1) WO2008105989A2 (en)

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