US PATENT SUBCLASS 438 / FOR 276
.~.~.~.~ And diffusing (437/116)


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 241  DF  .~ Doping during fluid growth of semiconductor material on substrate (437/81) {25}
FOR 274  DF  .~.~ Using seed in liquid phase (437/114) {1}
FOR 275  DF  .~.~.~ Pulling from melt (437/115) {1}
FOR 276.~.~.~.~ And diffusing (437/116)


DEFINITION

Classification: 438/FOR.276

And diffusing:

Foreign art collection for processes consisting of permeating an impurity into the semiconductor.