Rapid vacuum hold down system and method

Details Rapid vacuum hold down system and method Rapid vacuum hold down system and method

1993-01-28

1994-03-29

Wintercorn, Richard A.

Photocopying

Contact printing

Fluid pressure retention of carrier and receiver in exposure...

355 99, G03B 2720

Patent

active

052989402

ABSTRACT:
The method and apparatus for securing a sheet of photographic material in position on a plate during exposure to a source of radiation includes configuring a flexible vacuum blanket substantially to the shape of a rigid template that forms surface recesses in a selected pattern to facilitate the evacuation of air from beneath the vacuum blanket, and then reconfiguring the surface of the vacuum blanket to smooth condition by relieving vacuum between the blanket and the template to promote substantially continuous contact with the sheet and plate. The sheet may be exposed to a source of radiation through the plate or, after removing the template, through the vacuum blanket which may be formed of transparent polymer material.

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