Making gravure plate with tint screen

Details Making gravure plate with tint screen Making gravure plate with tint screen

1978-08-23

1980-02-05

Kimlin, Edward C.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Image layer portion transfer and element therefor

430307, G03C 500, G03F 500, G03F 520, G03F 524

Patent

active

041871073

ABSTRACT:
A plate making method for gravure printing which method is easy to carry out and excellent in the tone reproducibility of highlight portion. The method of the invention comprises the steps of: A. exposing a photosensitive material to light source through a gravure screen having desired number of transparent lines; B. exposing the photosensitive material to light through a tint screen and continuous tone positive; C. further exposing the photosensitive material to light through only the continuous tone positive; and D. treating the exposed photosensitive material with succeeding plate making steps such as transferring, developing and etching, in which the order of the above exposing steps A, B and C is not fixed.

REFERENCES:
patent: 2987397 (1961-06-01), Maurer
patent: 3300308 (1967-01-01), Jemseby
patent: 3325285 (1967-06-01), Harris et al.
patent: 3597077 (1971-08-01), Dorn
patent: 3804622 (1974-04-01), Bergin
patent: 4012257 (1977-03-01), Geris
patent: 4059481 (1977-11-01), Nagano
Burden, "Graphic Reproduction Photography", 4-22-74, p. 419.

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