US PATENT SUBCLASS 438 / FOR 299
.~.~ Including diffusion after fusion step (437/139)


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

FOR 149  DF  INCLUDING FORMING A SEMICONDUCTOR JUNCTION (437/15) {7}
FOR 294  DF  .~ By fusing dopant with substrate, e.g., alloying, etc. (437/134) {6}
FOR 299.~.~ Including diffusion after fusion step (437/139)


DEFINITION

Classification: 438/FOR.299

Including diffusion after fusing step:

Foreign art collection for processes including doping by diffusing after the fusing operation.