The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 31, 1983
Filed:
Sep. 16, 1981
Applicant:
Inventors:
Assignee:
National Research Institute for Metals, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01B / ;
U.S. Cl.
CPC ...
148 / ; 29599 ; 148133 ;
Abstract
In a method for producing an Nb.sub.3 Sn superconductor which comprises elongating a composite composed of a core portion of an alloy containing niobium and a matrix portion of a copper-tin alloy, a copper-tin-aluminum alloy or a copper-tin-gallium alloy and heat-treating the elongated composite to form an Nb.sub.3 Sn layer between the core portion and the matrix portion; the improvement wherein the core portion of the composite is made of a niobium-titanium alloy containing 0.1 to 10 atomic percent of titanium.