US PATENT SUBCLASS 250 / 338.4
.~.~ Semiconducting type


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



250 /   HD   RADIANT ENERGY

336.1  DF  INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING {16}
338.1  DF  .~ Infrared responsive {12}
338.4.~.~ Semiconducting type


DEFINITION

Classification: 250/338.4

Semiconducting type:

(under subclass 338.1) Subject matter including material having a resistivity intermediate that of metals and insulators.

SEE OR SEARCH THIS CLASS, SUBCLASS:

332, for infrared-to-visible imaging with a semiconducting target.

370.01+, for semiconducting detectors, per se.

SEE OR SEARCH CLASS

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

10, 11, 21, 53-56, 113-118, 184-189, 225-234, 257, 258, 290-294, and 414-466 for radiation-sensitive active semiconductors devices, and subclasses 613+ for active semiconductor devices containing Group II-VI compounds. 374, Thermal Measuring and Testing,

178, for temperature measurement with a semiconductor.