US PATENT SUBCLASS 257 / 767
.~.~ Resistive to electromigration or diffusion of the contact or lead material

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

734  DF  COMBINED WITH ELECTRICAL CONTACT OR LEAD {14}
741  DF  .~ Of specified material other than unalloyed aluminum {10}
767.~.~ Resistive to electromigration or diffusion of the contact or lead material

DEFINITION

Classification: 257/767

Resistive to electromigration or diffusion of the contact or lead material:

(under subclass 741) Subject matter wherein an electrical contact or lead material is adapted to resist electromigration of the contact or lead material, or diffusion of the contact or lead material into the material to which the contact is attached.