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:
Dec. 02, 2008
Filed:
May. 17, 2005
Takayoshi Miyazaki, Kobe, JP;
Hiroyuki Kato, Kobe, JP;
Kyoji Zaitsu, Kobe, JP;
Kyoji Tachikawa, Hiratsuka, JP;
Takayoshi Miyazaki, Kobe, JP;
Hiroyuki Kato, Kobe, JP;
Kyoji Zaitsu, Kobe, JP;
Kyoji Tachikawa, Hiratsuka, JP;
Kabushiki Kaisha Kobe Seiko Sho, Hyogo, JP;
Abstract
Disclosed is a manufacturing method of an NbSn superconductive wire using a powder technique, the method including the steps of: filling, as a raw powder, an intermetallic compound powder obtained from a metallic powder containing at least one metallic powder selected from Ta powder and Nb powder, and Sn powder, or a mixture of the metallic powder and the Sn powder into a sheath made of Nb or an Nb based alloy; performing a diameter-reduction process on the sheath to form a wire; heat treating the wire; and, forming a superconductive layer on the interface between the sheath and the powder, wherein at least one of the metallic powders selected from the Ta powder and the Nb powder is obtained by aggregating fine particles (primary) in shape of coral to form secondary particles.