Metal working – Method of mechanical manufacture – Electrical device making
Patent
1981-04-24
1983-08-09
Larson, Lowell A.
Metal working
Method of mechanical manufacture
Electrical device making
295271, H01V 1114
Patent
active
043970818
ABSTRACT:
The method of U.S. Pat. No. 3,866,315 is improved by brushing copper particles also on the other side of the niobium ribbon prior to, e.g., rolling and by increasing the layer's thickness by an electrolytic process. That layer will be on the outside of the tube. Tin is subsequently deposited thereon; and by means of annealing, the tin is caused to diffuse through this outside copper layer and into the niobium to form a uniform Nb.sub.3 Sn layer.
REFERENCES:
patent: 3866315 (1974-02-01), Ziemek
Kubiak Herbert
Ziemek Gerhard
Kabelmetal Electro GmbH
Larson Lowell A.
Rising V. K.
Siegemund Ralf H.
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