JPS6227387B2 - - Google Patents

Info

Publication number
JPS6227387B2
JPS6227387B2 JP19978782A JP19978782A JPS6227387B2 JP S6227387 B2 JPS6227387 B2 JP S6227387B2 JP 19978782 A JP19978782 A JP 19978782A JP 19978782 A JP19978782 A JP 19978782A JP S6227387 B2 JPS6227387 B2 JP S6227387B2
Authority
JP
Japan
Prior art keywords
chromium
layer
etching
resist
etching time
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
JP19978782A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5990853A (ja
Inventor
Shigekazu Matsui
Kenichi Kagaya
Masao Ushida
Koichi Maruyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoya Corp
Original Assignee
Hoya Corp
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 Hoya Corp filed Critical Hoya Corp
Priority to JP57199787A priority Critical patent/JPS5990853A/ja
Priority to US06/552,156 priority patent/US4563407A/en
Publication of JPS5990853A publication Critical patent/JPS5990853A/ja
Priority to US06/816,213 priority patent/US4696877A/en
Publication of JPS6227387B2 publication Critical patent/JPS6227387B2/ja
Granted legal-status Critical Current

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
    • G03F1/54Absorbers, e.g. of opaque materials
    • G03F1/58Absorbers, e.g. of opaque materials having two or more different absorber layers, e.g. stacked multilayer absorbers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
JP57199787A 1982-11-16 1982-11-16 フオトマスクブランク Granted JPS5990853A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP57199787A JPS5990853A (ja) 1982-11-16 1982-11-16 フオトマスクブランク
US06/552,156 US4563407A (en) 1982-11-16 1983-11-15 Photo-mask blank comprising a shading layer having a variable etch rate
US06/816,213 US4696877A (en) 1982-11-16 1986-01-06 Photo-mask blank comprising a shading layer having a variable etch rate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57199787A JPS5990853A (ja) 1982-11-16 1982-11-16 フオトマスクブランク

Publications (2)

Publication Number Publication Date
JPS5990853A JPS5990853A (ja) 1984-05-25
JPS6227387B2 true JPS6227387B2 (enrdf_load_stackoverflow) 1987-06-15

Family

ID=16413598

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57199787A Granted JPS5990853A (ja) 1982-11-16 1982-11-16 フオトマスクブランク

Country Status (1)

Country Link
JP (1) JPS5990853A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6727027B2 (en) 2000-12-26 2004-04-27 Shin-Etsu Chemical Co., Ltd. Photomask blank and photomask
US6733930B2 (en) 2001-02-13 2004-05-11 Shin-Etsu Chemical Co., Ltd Photomask blank, photomask and method of manufacture

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61272746A (ja) * 1985-05-28 1986-12-03 Asahi Glass Co Ltd フオトマスクブランクおよびフオトマスク
US7264908B2 (en) 2003-05-16 2007-09-04 Shin-Etsu Chemical Co., Ltd. Photo mask blank and photo mask

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6727027B2 (en) 2000-12-26 2004-04-27 Shin-Etsu Chemical Co., Ltd. Photomask blank and photomask
US6733930B2 (en) 2001-02-13 2004-05-11 Shin-Etsu Chemical Co., Ltd Photomask blank, photomask and method of manufacture

Also Published As

Publication number Publication date
JPS5990853A (ja) 1984-05-25

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