Apparatus for placing film mask in contact with object

Photocopying – Contact printing – Fluid pressure retention of carrier and receiver in exposure...

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Details

G03B 2720

Patent

active

052570673

ABSTRACT:
A film mask is abutted to the object at the one side thereof then a fluid is introduced at an other side of the film mask so as to press the film mask to be placed in contact with the object.

REFERENCES:
patent: 3000737 (1961-09-01), Barnhart
patent: 3615474 (1971-10-01), Rosenburger
patent: 3667845 (1972-06-01), Leavitt et al.
patent: 3794486 (1974-02-01), Luther

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