US PATENT SUBCLASS 438 / 275
.~.~ Making plural insulated gate field effect transistors of differing electrical characteristics

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

142  DF  MAKING FIELD EFFECT DEVICE HAVING PAIR OF ACTIVE REGIONS SEPARATED BY GATE STRUCTURE BY FORMATION OR ALTERATION OF SEMICONDUCTIVE ACTIVE REGIONS {6}
197  DF  .~ Having insulated gate (e.g., IGFET, MISFET, MOSFET, etc.) {24}
275.~.~ Making plural insulated gate field effect transistors of differing electrical characteristics {1}
276  DF  .~.~.~> Introducing a dopant into the channel region of selected transistors {2}

DEFINITION

Classification: 438/275

Making plural insulated gate field effect transistors of differing electrical characteristics:

(under subclass 197) Process for making multiple insulated gate field effect transistors of differing electrical characteristics.

SEE OR SEARCH THIS CLASS, SUBCLASS:

128, for processes of selectively wiring an array of electrical devices by completing particular devices of the array or by completion or destruction of conductive pathways between particular devices of the array.