BE727728A - - Google Patents

Info

Publication number
BE727728A
BE727728A BE727728DA BE727728A BE 727728 A BE727728 A BE 727728A BE 727728D A BE727728D A BE 727728DA BE 727728 A BE727728 A BE 727728A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE727728A publication Critical patent/BE727728A/xx

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
    • G03F5/00Screening processes; Screens therefor
    • G03F5/14Screening processes; Screens therefor by contact methods
    • G03F5/16Screening processes; Screens therefor by contact methods using grey half-tone screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Facsimile Image Signal Circuits (AREA)
BE727728D 1968-03-27 1969-01-31 BE727728A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT3586168 1968-03-27
IT3847068 1968-07-16

Publications (1)

Publication Number Publication Date
BE727728A true BE727728A (en) 1969-07-01

Family

ID=26329019

Family Applications (1)

Application Number Title Priority Date Filing Date
BE727728D BE727728A (en) 1968-03-27 1969-01-31

Country Status (8)

Country Link
AT (1) AT294137B (en)
BE (1) BE727728A (en)
CH (1) CH498427A (en)
DK (1) DK133206C (en)
FR (1) FR1598313A (en)
GB (1) GB1236626A (en)
NL (1) NL6903196A (en)
SE (1) SE357268B (en)

Also Published As

Publication number Publication date
GB1236626A (en) 1971-06-23
NL6903196A (en) 1969-09-30
DK133206B (en) 1976-04-05
FR1598313A (en) 1970-07-06
SE357268B (en) 1973-06-18
CH498427A (en) 1970-10-31
AT294137B (en) 1971-10-15
DK133206C (en) 1976-09-06

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