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A spiraled niobium tin superconductive ribbonCopper film is vapor-deposited on clean ribbon and sprayed with photosensitive etch-resistant material. Photographic film masks are placed on ribbon and exposed to ultraviolet light. Etchant removes copper and exposure to oxidizing atmosphere forms niobium oxide. Photosensitive material is removed and ribbon is immersed in molten temperatures.
Document ID
19730000044
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Coles, W. D.
Date Acquired
August 7, 2013
Publication Date
February 1, 1973
Subject Category
Materials
Report/Patent Number
LEW-11726
Report Number: LEW-11726
Accession Number
73B10044
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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