G - Physics – 03 – B
Patent
G - Physics
03
B
95/36, 95/40
G03B 27/20 (2006.01)
Patent
CA 1154991
ISOLATING MEMBER FOR USE IN CONTACT PRINTING Abstract of the Disclosure Apparatus and method are disclosed for use in contact printing information from a master record carrier onto a replicate material of a type that emits a gas during the contact print exposure (e.g., a diazo film emulsion). Even though the master record carrier and the replicate material are pressed together by a pressure pad (e.g., a rubber diaphragm), it has been discovered that the emitted gas causes the master and replicate devices to separate slightly and that strain forces in the pressure pad are transmitted to the replicate material causing relative movement of the master record carrier and the replicate material during the contact print exposure. To limit such relative movement, a preferred embodiment of the present invention provides an isolating member disposed between the master-replicate sandwich and the pressure pad. The isolating member, because of certain physical character- istics discussed in detail below, prevents strain forces in the pressure pad from being transmitted to the replicate material.
351365
Cooley Leroy F.
Smith David S.
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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