US PATENT SUBCLASS 438 / 409
.~.~.~ Porous semiconductor formation

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

400  DF  FORMATION OF ELECTRICALLY ISOLATED LATERAL SEMICONDUCTIVE STRUCTURE {10}
404  DF  .~ Total dielectric isolation {7}
408  DF  .~.~ With electrolytic treatment step {1}
409.~.~.~ Porous semiconductor formation

DEFINITION

Classification: 438/409

Porous semiconductor formation:

(under subclass 408) Process wherein the electrolytic treatment results in the formation of a porous semiconductor component.