US PATENT SUBCLASS 257 / 702
.~.~ Of insulating material other than ceramic

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}
701  DF  .~ Insulating material {5}
702.~.~ Of insulating material other than ceramic

DEFINITION

Classification: 257/702

Of insulating material other than ceramic:

Subject matter under 701 wherein the housing is made of electrically insulating material other than ceramic (e.g., the housing is made of glass or of a single crystal insulator material).

(1) Note. A ceramic is a polycrystalline, non-metallic, non-organic material, such as fired polycrystalline aluminum oxide, typically made by firing a compressed and shaped powder at high temperatures to fuse the powder together.