Method and apparatus for separating a stamper from a mold

Details Method and apparatus for separating a stamper from a mold Method and apparatus for separating a stamper from a mold

1981-05-29

1983-05-03

Hoag, Willard E.

Adhesive bonding and miscellaneous chemical manufacture

Differential fluid etching apparatus

With microwave gas energizing means

204 5, 204281, 264334, 264335, 425437, 425440, C25D 120, C25C 708

Patent

active

043819648

ABSTRACT:
An apparatus and method for separating a metal stamper from a metal mold on which the stamper is electro-formed. The gas flows between the mold and stamper to separate the stamper from the mold which are maintained separated by the vacuum applied to their back surfaces. Means is provided for centering the mold-stamper assembly between the backing plates just before the assembly is clamped between the backing plates. Means is provided for mechanically bending the outer peripheral portion of the mold-stamper assembly back and forth to separate the peripheral portion of the stamper from the mold.

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