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:
Mar. 28, 2017
Filed:
Oct. 11, 2012
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Tamotsu Ishiyama, Tokyo, JP;
Taeko Tsubokura, Tokyo, JP;
Eiji Kato, Tokyo, JP;
Nobuhiro Jingu, Tokyo, JP;
Chikara Ishizaka, Tokyo, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 33/02 (2006.01); C22C 38/10 (2006.01); B22D 11/06 (2006.01); H01F 1/053 (2006.01); H01F 1/057 (2006.01); H01F 1/08 (2006.01); H01F 41/02 (2006.01); C22C 38/00 (2006.01); C22C 38/06 (2006.01); C22C 38/14 (2006.01); C22C 38/16 (2006.01);
U.S. Cl.
CPC ...
H01F 1/053 (2013.01); B22D 11/0611 (2013.01); C22C 38/002 (2013.01); C22C 38/005 (2013.01); C22C 38/06 (2013.01); C22C 38/10 (2013.01); C22C 38/14 (2013.01); C22C 38/16 (2013.01); H01F 1/0536 (2013.01); H01F 1/0571 (2013.01); H01F 1/086 (2013.01); H01F 41/0266 (2013.01); C22C 33/02 (2013.01); C22C 2202/02 (2013.01); H01F 1/0577 (2013.01);
Abstract
An R-T-B based alloy strip containing dendritic crystals including a RTB phase, wherein on at least one surface, the average value for the widths of the dendritic crystals is no greater than 60 μm, and the number of crystal nuclei in the dendritic crystals is at least 500 per 1 mm square area.