Process for preparation of a masking element for forming a multi

Details Process for preparation of a masking element for forming a multi Process for preparation of a masking element for forming a multi

1984-08-21

1986-04-08

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation modifying product or process of making

Radiation mask

430143, 430145, 430158, 430160, 430166, 430252, 430253, 430258, 430293, 430294, 430301, 430325, 430326, G03F 100, G03F 306

Patent

active

045813086

ABSTRACT:
The present invention relates to a photosensitive masking element for plate making including a support made of a transparent film; a metal thin film layer formed on the support; and a photosensitive masking layer formed on said metal thin film layer and strongly adhering thereto. In preparing masks for various colors, the photosensitive masking material of the present invention makes it unnecessary to fill and retouch ditches corresponding to unnecessary enclosing lines with a correction liquid, resulting in a marked improvement in the efficiency of plate making.

REFERENCES:
patent: 3067034 (1962-12-01), Chapman
patent: 3721557 (1973-03-01), Inoue
patent: 4008084 (1977-02-01), Ikeda et al.
patent: 4197128 (1980-04-01), Watanabe et al.
patent: 4205989 (1980-06-01), Moriya et al.
patent: 4262079 (1981-04-01), Steelman et al.
patent: 4271257 (1981-06-01), Wacks et al.
patent: 4284703 (1981-08-01), Inoue et al.
patent: 4307172 (1981-12-01), Ishihara et al.
patent: 4388399 (1983-06-01), Shinozaki et al.
patent: 4389473 (1983-06-01), Scrutton et al.
Nakayama et al., Photo. Sci. & Eng., vol. 22, No. 3, 5-6/1980, pp. 138-141.

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