Vapor deposit contact printing method and apparatus

Details Vapor deposit contact printing method and apparatus Vapor deposit contact printing method and apparatus

1983-04-26

1984-01-03

Hayes, Monroe H.

Photocopying

Contact printing

Machine

355 77, 355 30, 355 52, 118718, G03B 2710

Patent

active

044239564

ABSTRACT:
Apparatus and method for contact printing which comprises moving a photographic image-bearing web and a photosensitive web in close contact, and at substantially uniform speed past an exposure position in which the photosensitive web is exposed to light that passes through the transparency web. A vapor generator is provided with its output connected to a nozzle which injects vapors at the nip formed by the two intersecting webs in advance of the exposure position such that a micro-thin layer of condensation is provided between the webs so that intimate contact is established between the webs at the time they are brought together in a film gate at the exposure position.

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