US PATENT SUBCLASS 257 / 610
.~ Deep level dopant

Current as of: June, 1999
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257 /   HD   ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES)

607  DF  WITH SPECIFIED DOPANT (E.G., PLURAL DOPANTS OF SAME CONDUCTIVITY IN SAME REGION) {3}
610.~ Deep level dopant {2}
611  DF  .~.~> With specified distribution (e.g., laterally localized, with specified concentration distribution or gradient)
612  DF  .~.~> Deep level dopant other than gold or platinum

DEFINITION

Classification: 257/610

Deep level dopant:

(under subclass 607) Subject matter including a specified dopant which establishes traps in the forbidden band of a semiconductor into which carriers may drop or rise.