US PATENT SUBCLASS 257 / 184
.~ Light responsive structure

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

183  DF  HETEROJUNCTION DEVICE {10}
184.~ Light responsive structure {4}
185  DF  .~.~> Staircase (including graded composition) device
186  DF  .~.~> Avalanche photodetection structure
187  DF  .~.~> Having transistor structure
188  DF  .~.~> Having narrow energy band gap (<<1eV) layer (e.g., PbSnTe, HgCdTe, etc.) {1}

DEFINITION

Classification: 257/184

Light responsive structure:

(under subclass 183) Subject matter wherein the heterojunction generates an electrical output when light impinges on it.