US PATENT SUBCLASS 257 / 653
WITH SPECIFIED SHAPE OF PN JUNCTION


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

653WITH SPECIFIED SHAPE OF PN JUNCTION {1}
654  DF  .~> Interdigitated pn junction or more heavily doped side of junction is concave


DEFINITION

Classification: 257/653

WITH SPECIFIED SHAPE OF PN JUNCTION:

(under the class definition) Subject matter wherein the device has at least one junction between semiconductor regions of opposite conductivity type (P and N), and wherein the interface between at least one P region and its adjoining N region has a specified shape or geometrical configuration.