US PATENT SUBCLASS 438 / FOR 332
.~ Alternating or pulsed current (437/172)

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

FOR 330  DF  DIRECTLY APPLYING ELECTRICAL CURRENT (437/170) {2}
FOR 332.~ Alternating or pulsed current (437/172)

DEFINITION

Classification: 438/FOR.332

Alternating or pulsed current:

Foreign art collection for processes wherein the electric current reverses its direction periodically or is presented in periodic surges.