US PATENT SUBCLASS 257 / 319
.~.~.~.~.~ Plural additional contacted control electrodes

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

213  DF  FIELD EFFECT DEVICE {6}
288  DF  .~ Having insulated electrode (e.g., MOSFET, MOS diode) {17}
314  DF  .~.~ Variable threshold (e.g., floating gate memory device) {2}
315  DF  .~.~.~ With floating gate electrode {2}
316  DF  .~.~.~.~ With additional contacted control electrode {5}
319.~.~.~.~.~ Plural additional contacted control electrodes {1}
320  DF  .~.~.~.~.~.~> Separate control electrodes for charging and for discharging floating electrode

DEFINITION

Classification: 257/319

Plural additional contacted control electrodes:

(under subclass 316) Subject matter including more than one additional control (gate) electrode.