GB1236626A - Improvements in or relating to contact screens for printing - Google Patents

Improvements in or relating to contact screens for printing

Info

Publication number
GB1236626A
GB1236626A GB5316768A GB5316768A GB1236626A GB 1236626 A GB1236626 A GB 1236626A GB 5316768 A GB5316768 A GB 5316768A GB 5316768 A GB5316768 A GB 5316768A GB 1236626 A GB1236626 A GB 1236626A
Authority
GB
United Kingdom
Prior art keywords
density gradation
printing
lines
dot
zones
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
GB5316768A
Other languages
English (en)
Inventor
Walter Cordaro
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1236626A publication Critical patent/GB1236626A/en
Expired 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
    • G03F5/00—Screening processes; Screens therefor
    • G03F5/14—Screening processes; Screens therefor by contact methods
    • G03F5/16—Screening processes; Screens therefor by contact methods using grey half-tone screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Facsimile Image Signal Circuits (AREA)
GB5316768A 1968-03-27 1968-11-08 Improvements in or relating to contact screens for printing Expired GB1236626A (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
GB1236626A true GB1236626A (en) 1971-06-23

Family

ID=26329019

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5316768A Expired GB1236626A (en) 1968-03-27 1968-11-08 Improvements in or relating to contact screens for printing

Country Status (8)

Country Link
AT (1) AT294137B (US20110009641A1-20110113-C00116.png)
BE (1) BE727728A (US20110009641A1-20110113-C00116.png)
CH (1) CH498427A (US20110009641A1-20110113-C00116.png)
DK (1) DK133206C (US20110009641A1-20110113-C00116.png)
FR (1) FR1598313A (US20110009641A1-20110113-C00116.png)
GB (1) GB1236626A (US20110009641A1-20110113-C00116.png)
NL (1) NL6903196A (US20110009641A1-20110113-C00116.png)
SE (1) SE357268B (US20110009641A1-20110113-C00116.png)

Also Published As

Publication number Publication date
AT294137B (de) 1971-10-15
NL6903196A (US20110009641A1-20110113-C00116.png) 1969-09-30
FR1598313A (US20110009641A1-20110113-C00116.png) 1970-07-06
DK133206C (da) 1976-09-06
DK133206B (da) 1976-04-05
CH498427A (it) 1970-10-31
BE727728A (US20110009641A1-20110113-C00116.png) 1969-07-01
SE357268B (US20110009641A1-20110113-C00116.png) 1973-06-18

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