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:
Apr. 11, 2017
Filed:
Oct. 11, 2012
Tdk Corporation, Tokyo, JP;
Taeko Tsubokura, Tokyo, JP;
Eiji Kato, Tokyo, JP;
Tamotsu Ishiyama, Tokyo, JP;
Nobuhiro Jingu, Tokyo, JP;
Chikara Ishizaka, Tokyo, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
An R-T-B based alloy strip including columnar crystals of an RTB phase, wherein in a cross-section along the thickness direction, columnar crystals extend out in a radial fashion from the crystal nuclei, the R-T-B based alloy strip satisfying the following inequality (1), where Dand Dare, respectively, the average value for the lengths of the columnar crystals on one side and the average value for the lengths on the other side that is opposite the one side, in the direction perpendicular to the thickness direction of the cross-section.0.9/1.1≦≦1.1/0.9  (1)