US PATENT SUBCLASS 438 / 491
.~.~ And subsequent doping of polycrystalline semiconductor


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

478  DF  FORMATION OF SEMICONDUCTIVE ACTIVE REGION ON ANY SUBSTRATE (E.G., FLUID GROWTH, DEPOSITION) {9}
488  DF  .~ Polycrystalline semiconductor {3}
491.~.~ And subsequent doping of polycrystalline semiconductor


DEFINITION

Classification: 438/491

And subsequent doping of polycrystalline semiconductor:

(under subclass 488) Process having a subsequent step of incorporating an electrically active dopant species into the polycrystalline semiconductive material.