US PATENT SUBCLASS 257 / 728
.~ For high frequency (e.g., microwave) device

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

678  DF  HOUSING OR PACKAGE {18}
728.~ For high frequency (e.g., microwave) device

DEFINITION

Classification: 257/728

For high frequency (e.g., microwave) device:

(under subclass 678) Subject matter wherein the active solid-state device provided with a housing or package is a high frequency solid-state electronic device operating at high frequencies, such as microwave frequencies or above.