US PATENT SUBCLASS 257 / 661
SUPERCONDUCTIVE CONTACT OR LEAD

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

661SUPERCONDUCTIVE CONTACT OR LEAD {2}
662  DF  .~> Transmission line or shielded
663  DF  .~> On integrated circuit

DEFINITION

Classification: 257/661

SUPERCONDUCTIVE CONTACT OR LEAD:

(under the class definition) Subject matter wherein an active solid-state device contains, or is connected to, an electrical contact or lead (pronounced "leed") which is made of a material whose electrical resistivity drops to zero at a particular temperature called a critical transition temperature (Tc).

SEE OR SEARCH CLASS

174, Electricity: Conductors and Insulators,

15.4+, and 125.1 for superconducting conductors.

438, Semiconductor Device Manufacturing: Process, particularly

2, for methods of forming an semiconductor device having a superconductive component thereon.

505, Superconductor Technology: Apparatus, Material, Process,

1, for high temperature superconductor materials and subclasses 884+ for superconductive electrical conductors.