FR2012223A1 - - Google Patents

Info

Publication number
FR2012223A1
FR2012223A1 FR6922330A FR6922330A FR2012223A1 FR 2012223 A1 FR2012223 A1 FR 2012223A1 FR 6922330 A FR6922330 A FR 6922330A FR 6922330 A FR6922330 A FR 6922330A FR 2012223 A1 FR2012223 A1 FR 2012223A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6922330A
Other languages
French (fr)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of FR2012223A1 publication Critical patent/FR2012223A1/fr
Withdrawn legal-status Critical Current

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
    • G03F1/00—Originals 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
    • G03F1/54—Absorbers, e.g. of opaque materials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
FR6922330A 1968-07-03 1969-07-02 Withdrawn FR2012223A1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74220368A 1968-07-03 1968-07-03

Publications (1)

Publication Number Publication Date
FR2012223A1 true FR2012223A1 (enExample) 1970-03-13

Family

ID=24983884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6922330A Withdrawn FR2012223A1 (enExample) 1968-07-03 1969-07-02

Country Status (7)

Country Link
JP (1) JPS4919902B1 (enExample)
BE (1) BE735518A (enExample)
DE (1) DE1933034B2 (enExample)
FR (1) FR2012223A1 (enExample)
GB (1) GB1277037A (enExample)
NL (1) NL144090B (enExample)
SE (1) SE349874B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3815978A (en) * 1972-06-20 1974-06-11 Ibm Durable see-through photoresist mask

Also Published As

Publication number Publication date
DE1933034A1 (de) 1970-02-05
JPS4919902B1 (enExample) 1974-05-21
GB1277037A (en) 1972-06-07
NL144090B (nl) 1974-11-15
NL6909925A (enExample) 1970-01-06
SE349874B (enExample) 1972-10-09
BE735518A (enExample) 1969-12-16
DE1933034B2 (de) 1971-06-24

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Legal Events

Date Code Title Description
ST Notification of lapse