US PATENT SUBCLASS 438 / FOR 378
.~.~.~ Ceramic housing (437/218)

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

FOR 340  DF  MAKING OR ATTACHING ELECTRODE ON OR TO SEMICONDUCTOR, OR SECURING COMPLETED SEMICONDUCTOR TO MOUNTING OR HOUSING (437/180) {13}
FOR 369  DF  .~ Securing completed semiconductor to mounting, housing or external lead (437/209) {6}
FOR 375  DF  .~.~ Insulating housing (437/215) {4}
FOR 378.~.~.~ Ceramic housing (437/218)

DEFINITION

Classification: 438/FOR.378

Ceramic housing:

Foreign art collection for processes wherein the housing is made from a clay-like material, consisting primarily of magnesium and aluminum.