NL144090B - PHOTO MASK. - Google Patents

PHOTO MASK.

Info

Publication number
NL144090B
NL144090B NL6909925A NL6909925A NL144090B NL 144090 B NL144090 B NL 144090B NL 6909925 A NL6909925 A NL 6909925A NL 6909925 A NL6909925 A NL 6909925A NL 144090 B NL144090 B NL 144090B
Authority
NL
Netherlands
Prior art keywords
photo mask
photo
mask
Prior art date
Application number
NL6909925A
Other languages
Dutch (nl)
Other versions
NL6909925A (en
Original Assignee
Western Electric 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 Western Electric Co filed Critical Western Electric Co
Publication of NL6909925A publication Critical patent/NL6909925A/xx
Publication of NL144090B publication Critical patent/NL144090B/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
    • 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)
NL6909925A 1968-07-03 1969-06-27 PHOTO MASK. NL144090B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
NL6909925A NL6909925A (en) 1970-01-06
NL144090B true NL144090B (en) 1974-11-15

Family

ID=24983884

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6909925A NL144090B (en) 1968-07-03 1969-06-27 PHOTO MASK.

Country Status (7)

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

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
FR2012223A1 (en) 1970-03-13
NL6909925A (en) 1970-01-06
DE1933034A1 (en) 1970-02-05
JPS4919902B1 (en) 1974-05-21
BE735518A (en) 1969-12-16
DE1933034B2 (en) 1971-06-24
GB1277037A (en) 1972-06-07
SE349874B (en) 1972-10-09

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: WESTERN ELECTRI