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.

Date of Patent:
Oct. 12, 2010

Filed:

Aug. 19, 2008
Applicants:

Yuji Horie, Akishima, JP;

Noriyuki Kumasaka, Akishima, JP;

Sanaki Horimoto, Akishima, JP;

Inventors:

Yuji Horie, Akishima, JP;

Noriyuki Kumasaka, Akishima, JP;

Sanaki Horimoto, Akishima, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 39/24 (2006.01); H01L 39/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

A target surface of a tape-shaped substrate of an oxide superconductor with an intermediate layer formed on this target surface and an oxide superconductor thin film is polished by causing the tape-shaped substrate to continuously run. The polishing step includes an initial polishing process for carrying out random polishing of the target surface and a finishing process that is carried out after the initial polishing process for forming grooves on the target surface along the running direction of the substrate. The intermediate layer has an in-plane directionality of 7° or less. The tape-shaped substrate is fabricated by rolling nickel, a nickel alloys or stainless steel.


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