US PATENT SUBCLASS 505 / 920
.~.~.~.~ Utilizing diffusion barrier

Current as of: June, 1999
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505 /   HD   SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS

825  DF  APPARATUS, PER SE, DEVICE, PER SE, OR PROCESS OF MAKING OR OPERATING SAME {36}
917  DF  .~ Mechanically manufacturing superconductor: (Classes 29, 72, and 228) {8}
918  DF  .~.~ With metallurgical heat treating {1}
919  DF  .~.~.~ Reactive formation of superconducting intermetallic compound {2}
920.~.~.~.~ Utilizing diffusion barrier

DEFINITION

Classification: 505/920

Utilizing diffusion barrier:

(under subclass 919) Subject matter wherein the actual transport, i.e., diffusion, of discrete atoms through the lattice of the workpiece is directly regulated generally to minimize undesired side reactions produced by the heat treating.