US PATENT SUBCLASS 438 / 641
.~.~.~.~ Selective deposition


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



438 /   HD   SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS

584  DF  COATING WITH ELECTRICALLY OR THERMALLY CONDUCTIVE MATERIAL {2}
597  DF  .~ To form ohmic contact to semiconductive material {24}
618  DF  .~.~ Contacting multiple semiconductive regions (i.e., interconnects) {5}
622  DF  .~.~.~ Multiple metal levels, separated by insulating layer (i.e., multiple level metallization) {8}
641.~.~.~.~ Selective deposition


DEFINITION

Classification: 438/641

Selective deposition:

(under subclass 622) Processes wherein a material is deposited selectively upon the semiconductor substrate.