Method of making a printing mask sheet

Details Method of making a printing mask sheet Method of making a printing mask sheet

1994-02-03

1995-05-30

Kight, III, John

Radiation imagery chemistry: process, composition, or product th

Radiation modifying product or process of making

Radiation mask

430320, 430321, 430961, 430396, 428200, 428201, G03F 900

Patent

active

054199891

ABSTRACT:
A mask for forming an image on a photographic print paper includes a mask sheet, a transparent protective layer, and a transparent intermediate layer. The mask sheet includes a transparent base sheet and an opaque pattern layer formed in a shape of the image on the base sheet. The transparent protective layer is disposed on the mask sheet so as to protect the opaque pattern layer. The transparent intermediate layer is disposed between the mask sheet and the protective layer. The intermediate layer has a softening temperature that is not more than 100.degree. C.

REFERENCES:
patent: 4463083 (1984-07-01), Kitajima et al.
patent: 4999266 (1991-03-01), Platzer

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