US PATENT SUBCLASS 216 / 21
.~ Repairing circuit

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

13  DF  FORMING OR TREATING ELECTRICAL CONDUCTOR ARTICLE (E.G., CIRCUIT, ETC.) {6}
21.~ Repairing circuit

DEFINITION

Classification: 216/21

Repairing circuit:

(under subclass 13) Process directed to the refurbishing, repairing, or recovery of a circuit as to its electrical function.