US PATENT SUBCLASS 438 / 546
.~.~ Plural dopants in same region (e.g., through same mask opening, etc.)


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

510  DF  INTRODUCTION OF CONDUCTIVITY MODIFYING DOPANT INTO SEMICONDUCTIVE MATERIAL {7}
542  DF  .~ Diffusing a dopant {15}
546.~.~ Plural dopants in same region (e.g., through same mask opening, etc.) {1}
547  DF  .~.~.~> Simultaneously


DEFINITION

Classification: 438/546

Plural dopants in same region (e.g., through same mask opening, etc.):

(under subclass 542) Processes for applying multiply electrically active impurities in the same area.