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U.S. Department of Energy
Office of Scientific and Technical Information

Wrapped tantalum diffusion barrier

Patent ·
OSTI ID:5481175
A multifilamentary stabilized superconductor of the A-15 type is disclosed wherein the A-15 compound is formed on rods of niobium or vanadium by diffusion of tin or gallium, respectively, from a copper alloy matrix and wherein stabilization is provided by an external layer of copper. The stabilizing copper is protected from tin or gallium diffusion by a number of spirally wrapped layers of tantalum separated from one another by copper layers.
Assignee:
Airco Inc
Patent Number(s):
US 4205119
OSTI ID:
5481175
Country of Publication:
United States
Language:
English