US PATENT SUBCLASS 340 / 598
.~.~.~.~ Barrier-layer sensor

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
540  DF  .~ Specific condition {18}
584  DF  .~.~ Thermal {8}
595  DF  .~.~.~ Current modifier or generator {4}
598.~.~.~.~ Barrier-layer sensor

DEFINITION

Classification: 340/598

Barrier-layer sensor:

(under subclass 595) Subject matter wherein the sensor is composed of semiconductor material and has a barrier layer therein.

SEE OR SEARCH CLASS

257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes),

53, 56, 108, 414, and 467 through 470 for such devices used

as temperature sensors.

374, Thermal Measuring and Testing,

178, for a thermometer having a semiconductor junction device sensing element.