SG10201706361UA - Method For Preparing Halftone Phase Shift Mask Blank, Halftone Phase Shift Mask Blank, Halftone Phase Shift Mask, And Thin Film Forming Apparatus - Google Patents

Method For Preparing Halftone Phase Shift Mask Blank, Halftone Phase Shift Mask Blank, Halftone Phase Shift Mask, And Thin Film Forming Apparatus

Info

Publication number
SG10201706361UA
SG10201706361UA SG10201706361UA SG10201706361UA SG10201706361UA SG 10201706361U A SG10201706361U A SG 10201706361UA SG 10201706361U A SG10201706361U A SG 10201706361UA SG 10201706361U A SG10201706361U A SG 10201706361UA SG 10201706361U A SG10201706361U A SG 10201706361UA
Authority
SG
Singapore
Prior art keywords
phase shift
shift mask
halftone phase
mask blank
thin film
Prior art date
Application number
SG10201706361UA
Inventor
Yukio Inazuki
Original Assignee
Shinetsu Chemical Co
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 Shinetsu Chemical Co filed Critical Shinetsu Chemical Co
Publication of SG10201706361UA publication Critical patent/SG10201706361UA/en

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F1/00Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
    • G03F1/26Phase shift masks [PSM]; PSM blanks; Preparation thereof
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F1/00Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
    • G03F1/26Phase shift masks [PSM]; PSM blanks; Preparation thereof
    • G03F1/32Attenuating PSM [att-PSM], e.g. halftone PSM or PSM having semi-transparent phase shift portion; Preparation thereof
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/0021Reactive sputtering or evaporation
    • C23C14/0036Reactive sputtering
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/0641Nitrides
    • C23C14/0652Silicon nitride
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34Sputtering
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34Sputtering
    • C23C14/3464Sputtering using more than one target
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/50Substrate holders
    • C23C14/505Substrate holders for rotation of the substrates
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F1/00Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
    • G03F1/50Mask blanks not covered by G03F1/20 - G03F1/34; Preparation thereof
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F1/00Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
    • G03F1/60Substrates
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F1/00Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
    • G03F1/68Preparation processes not covered by groups G03F1/20 - G03F1/50
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/20Exposure; Apparatus therefor
    • G03F7/2002Exposure; Apparatus therefor with visible light or UV light, through an original having an opaque pattern on a transparent support, e.g. film printing, projection printing; by reflection of visible or UV light from an original such as a printed image
    • G03F7/2014Contact or film exposure of light sensitive plates such as lithographic plates or circuit boards, e.g. in a vacuum frame
    • G03F7/2016Contact mask being integral part of the photosensitive element and subject to destructive removal during post-exposure processing
    • G03F7/202Masking pattern being obtained by thermal means, e.g. laser ablation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/34Gas-filled discharge tubes operating with cathodic sputtering
    • H01J37/3411Constructional aspects of the reactor
    • H01J37/3414Targets
    • H01J37/3417Arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/34Gas-filled discharge tubes operating with cathodic sputtering
    • H01J37/3411Constructional aspects of the reactor
    • H01J37/3414Targets
    • H01J37/3426Material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/34Gas-filled discharge tubes operating with cathodic sputtering
    • H01J37/3464Operating strategies
SG10201706361UA 2016-08-23 2017-08-03 Method For Preparing Halftone Phase Shift Mask Blank, Halftone Phase Shift Mask Blank, Halftone Phase Shift Mask, And Thin Film Forming Apparatus SG10201706361UA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016162620A JP6558326B2 (en) 2016-08-23 2016-08-23 Halftone phase shift mask blank manufacturing method, halftone phase shift mask blank, halftone phase shift mask, and thin film forming apparatus for photomask blank

Publications (1)

Publication Number Publication Date
SG10201706361UA true SG10201706361UA (en) 2018-03-28

Family

ID=59523013

Family Applications (1)

Application Number Title Priority Date Filing Date
SG10201706361UA SG10201706361UA (en) 2016-08-23 2017-08-03 Method For Preparing Halftone Phase Shift Mask Blank, Halftone Phase Shift Mask Blank, Halftone Phase Shift Mask, And Thin Film Forming Apparatus

Country Status (7)

Country Link
US (2) US10466582B2 (en)
EP (2) EP3627223B1 (en)
JP (1) JP6558326B2 (en)
KR (2) KR102239283B1 (en)
CN (1) CN107765508B (en)
SG (1) SG10201706361UA (en)
TW (2) TWI724226B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10678125B2 (en) * 2016-03-02 2020-06-09 Shin-Etsu Chemical Co., Ltd. Photomask blank and method for preparing photomask
JP6743679B2 (en) 2016-03-02 2020-08-19 信越化学工業株式会社 Photomask blank and photomask manufacturing method
SG11201811413QA (en) * 2016-07-25 2019-02-27 Hoya Corp Mask blank, transfer mask, method for producing transfer mask, and method for manufacturing semiconductor device
US11156912B2 (en) * 2017-09-29 2021-10-26 Taiwan Semiconductor Manufacturing Co., Ltd. Lithography mask and method for manufacturing the same
WO2019188397A1 (en) * 2018-03-26 2019-10-03 Hoya株式会社 Mask blank, phase shift mask, and method for manufacturing semiconductor device
JP7151774B2 (en) * 2018-09-14 2022-10-12 株式会社ニコン Phase shift mask blanks, phase shift mask, exposure method, device manufacturing method, phase shift mask blank manufacturing method, phase shift mask manufacturing method, exposure method, and device manufacturing method
JP7264083B2 (en) * 2019-03-29 2023-04-25 信越化学工業株式会社 PHASE SHIFT MASK BLANKS, MANUFACTURING METHOD THEREOF AND PHASE SHIFT MASK
JP7192731B2 (en) * 2019-09-27 2022-12-20 信越化学工業株式会社 Halftone phase shift photomask blank, manufacturing method thereof, and halftone phase shift photomask

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3064769B2 (en) 1992-11-21 2000-07-12 アルバック成膜株式会社 PHASE SHIFT MASK, ITS MANUFACTURING METHOD, AND EXPOSURE METHOD USING THE PHASE SHIFT MASK
US5674647A (en) 1992-11-21 1997-10-07 Ulvac Coating Corporation Phase shift mask and manufacturing method thereof and exposure method using phase shift mask
JP2003253439A (en) * 2002-03-01 2003-09-10 Ulvac Japan Ltd Sputtering system
US6872496B2 (en) * 2002-10-31 2005-03-29 Taiwan Semiconductor Manufacturing Company AlSixOy as a new bi-layer high transmittance attenuating phase shifting mask material for 193 nanometer lithography
US7344806B2 (en) * 2003-03-31 2008-03-18 Shin-Etsu Chemical Co., Ltd. Method of producing phase shift mask blank, method of producing phase shift mask, phase shift mask blank, and phase shift mask
JP2004301993A (en) * 2003-03-31 2004-10-28 Shin Etsu Chem Co Ltd Method for manufacturing phase shift mask blank and method for manufacturing phase shift mask, and phase shift mask blank and phase shift mask
TWI305865B (en) * 2003-03-31 2009-02-01 Shinetsu Chemical Co Photomask blank, photomask, and method of manufacture
TWI480675B (en) * 2004-03-31 2015-04-11 Shinetsu Chemical Co Halftone phase shift mask blank, halftone phase shift mask, and pattern transfer method
JP4933753B2 (en) 2005-07-21 2012-05-16 信越化学工業株式会社 Phase shift mask blank, phase shift mask, and manufacturing method thereof
DE602006021102D1 (en) 2005-07-21 2011-05-19 Shinetsu Chemical Co Photomask blank, photomask and their manufacturing process
JP4551344B2 (en) 2006-03-02 2010-09-29 信越化学工業株式会社 Photomask blank and photomask
JP4509050B2 (en) 2006-03-10 2010-07-21 信越化学工業株式会社 Photomask blank and photomask
US20080044740A1 (en) * 2006-08-21 2008-02-21 Taiwan Semiconductor Manufacturing Company, Ltd. Photomask having haze reduction layer
JP5530075B2 (en) * 2008-03-31 2014-06-25 Hoya株式会社 Photomask blank, photomask, and manufacturing method thereof
JP5879951B2 (en) * 2011-11-21 2016-03-08 信越化学工業株式会社 Optical pattern irradiation method, halftone phase shift mask, and halftone phase shift mask blank
SG11201505225TA (en) * 2012-08-03 2015-08-28 Semiconductor Energy Lab Oxide semiconductor stacked film and semiconductor device
CN108389944B (en) * 2012-08-21 2021-04-02 王子控股株式会社 Substrate for semiconductor light emitting element and semiconductor light emitting element
WO2014050891A1 (en) * 2012-09-28 2014-04-03 旭硝子株式会社 Reflective mask blank for euv-lithography and manufacturing method therefor, and reflective mask for euv-lithography and manufacturing method therefor
US9540526B2 (en) * 2012-10-19 2017-01-10 Konica Minolta, Inc. Gas barrier film and method for manufacturing gas barrier film
US9625806B2 (en) * 2013-01-15 2017-04-18 Hoya Corporation Mask blank, phase-shift mask, and method for manufacturing the same
SG11201505421SA (en) * 2013-01-18 2015-08-28 Hoya Corp Method for manufacturing mask blank substrate, method for manufacturing mask blank and method for manufacturing transfer mask
JP6373607B2 (en) * 2013-03-08 2018-08-15 Hoya株式会社 Manufacturing method of mask blank and manufacturing method of phase shift mask
JP6264238B2 (en) * 2013-11-06 2018-01-24 信越化学工業株式会社 Halftone phase shift photomask blank, halftone phase shift photomask, and pattern exposure method
JP6323295B2 (en) * 2014-10-20 2018-05-16 信越化学工業株式会社 Pattern forming method and chemically amplified negative resist composition
JP6463992B2 (en) 2015-03-03 2019-02-06 Piaa株式会社 Vehicle lighting

Also Published As

Publication number Publication date
US10466582B2 (en) 2019-11-05
TW201821897A (en) 2018-06-16
US20180059532A1 (en) 2018-03-01
KR20210041549A (en) 2021-04-15
JP6558326B2 (en) 2019-08-14
KR20180022584A (en) 2018-03-06
EP3287845A1 (en) 2018-02-28
EP3287845B1 (en) 2019-12-18
TW202115485A (en) 2021-04-16
TWI746247B (en) 2021-11-11
EP3627223B1 (en) 2021-06-16
US20200026180A1 (en) 2020-01-23
KR102329747B1 (en) 2021-11-23
EP3627223A1 (en) 2020-03-25
TWI724226B (en) 2021-04-11
US10809611B2 (en) 2020-10-20
KR102239283B1 (en) 2021-04-12
JP2018031840A (en) 2018-03-01
CN107765508A (en) 2018-03-06
CN107765508B (en) 2022-10-04

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