US PATENT SUBCLASS 257 / 17
.~.~.~.~ With particular barrier dimension

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

9  DF  THIN ACTIVE PHYSICAL LAYER WHICH IS (1) AN ACTIVE POTENTIAL WELL LAYER THIN ENOUGH TO ESTABLISH DISCRETE QUANTUM ENERGY LEVELS OR (2) AN ACTIVE BARRIER LAYER THIN ENOUGH TO PERMIT QUANTUM MECHANICAL TUNNELING OR (3) AN ACTIVE LAYER THIN ENOUGH TO PERMIT CARRIER TRANSMISSION WITH SUBSTANTIALLY NO SCATTERING (E.G., SUPERLATTICE, QUANTUM WELL, OR BALLISTIC TRANSPORT DEVICE) {5}
12  DF  .~ Heterojunction {3}
14  DF  .~.~ Quantum well {4}
15  DF  .~.~.~ Superlattice {6}
17.~.~.~.~ With particular barrier dimension

DEFINITION

Classification: 257/17

With particular barrier dimension:

(under subclass 15) Subject matter wherein the superlattice has a specific quantum electronic potential barrier dimension (e.g., height or width).