US PATENT SUBCLASS 438 / 4
REPAIR OR RESTORATION


Current as of: June, 1999
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438 /   HD   SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS

4REPAIR OR RESTORATION


DEFINITION

Classification: 438/4

REPAIR OR RESTORATION:

(under the class definition) Process for the renewal, reconstruction, or refurbishment of the previously possessed electrical or mechanical properties of a semiconductor electrical device which have become degraded.

(1) Note. This subclass includes patents to a process of removing and replacing a defective chip from a package as well as a process of repair of defective electrical conduct paths (e.g., wirings).