US PATENT SUBCLASS 257 / 761
.~.~.~ At least one layer containing vanadium, hafnium, niobium, zirconium, or tantalum

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}
750  DF  .~.~ Layered {10}
761.~.~.~ At least one layer containing vanadium, hafnium, niobium, zirconium, or tantalum

DEFINITION

Classification: 257/761

At least one layer containing vanadium, hafnium, niobium, zirconium, or tantalum:

(under subclass 750) Subject matter wherein a layered electrical contact or lead has at least one layer which contains vanadium (V), hafnium (Hf), niobium (Nb), zirconium (Zr), or tantalum (Ta).