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
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Related Subjects
420201* -- Engineering-- Cryogenic Equipment & Devices
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ALLOYS
CHEMICAL COMPOSITION
COPPER ALLOYS
DIFFUSION
ELEMENTS
FABRICATION
FILAMENTS
GALLIUM
LAYERS
METALS
NIOBIUM
RODS
STABILIZATION
STABILIZED SUPERCONDUCTORS
SUPERCONDUCTORS
TANTALUM
TIN
TRANSITION ELEMENTS
VANADIUM
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ALLOYS
CHEMICAL COMPOSITION
COPPER ALLOYS
DIFFUSION
ELEMENTS
FABRICATION
FILAMENTS
GALLIUM
LAYERS
METALS
NIOBIUM
RODS
STABILIZATION
STABILIZED SUPERCONDUCTORS
SUPERCONDUCTORS
TANTALUM
TIN
TRANSITION ELEMENTS
VANADIUM