Photoimaging process

Details Photoimaging process Photoimaging process

1981-05-21

1984-01-31

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

Radiation modifying product or process of making

Radiation mask

430126, 430396, 430 39, G03C 1112

Patent

active

044290276

ABSTRACT:
A simplified method for photoimaging a photosensitive layer produces in situ a radiation-opaque photomask on the photosensitive layer or on a cover sheet of the layer. A nonvisible latent image is toned and the toner is transferred to a layer or cover sheet to form an actinic radiation-opaque photomask.

REFERENCES:
patent: 2956875 (1960-10-01), Ulary
patent: 3576624 (1971-04-01), Matkan

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