US PATENT SUBCLASS 216 / 36
.~ Removing at least one of the self-sustaining preforms or a portion thereof

Current as of: June, 1999
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216 /   HD   ETCHING A SUBSTRATE: PROCESSES

33  DF  ADHESIVE OR AUTOGENOUS BONDING OF TWO OR MORE SELF-SUSTAINING PREFORMS WHEREIN AT LEAST TWO OF THE PREFORMS ARE NOT INTENDED TO BE REMOVED (E.G., PREFABRICATED BASE, ETC.) {2}
36.~ Removing at least one of the self-sustaining preforms or a portion thereof

DEFINITION

Classification: 216/36

Removing at least one of the self-sustaining preforms or a portion thereof:

(under subclass 33) Process wherein a delamination occurs between any two or more laminated preforms.

(1) Note. The preform or portion delaminated may be the same or different from the preform bonded initially. An example of a different preform is one which has been chemically treated after it has been united and then

removed.