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:
Dec. 03, 2019

Filed:

Jan. 12, 2018
Applicant:

Santoku Corporation, Hyogo, JP;

Inventors:

Akihiko Saguchi, Hannan, JP;

Noriyuki Negi, Tokyo, JP;

Mitsuharu Yonemura, Tokyo, JP;

Assignee:

SANTOKU CORPORATION, Hyogo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 1/057 (2006.01); C22C 30/00 (2006.01); C22C 1/04 (2006.01); B22F 9/04 (2006.01); B22F 3/24 (2006.01);
U.S. Cl.
CPC ...
H01F 1/057 (2013.01); B22F 3/24 (2013.01); B22F 9/04 (2013.01); C22C 1/04 (2013.01); C22C 30/00 (2013.01); B22F 2003/248 (2013.01); B22F 2009/044 (2013.01); B22F 2301/45 (2013.01); B22F 2998/10 (2013.01); B22F 2999/00 (2013.01); C22C 2202/02 (2013.01);
Abstract

Disclosed is an R-T-B—Ga-based magnet material ahoy where R is at least one element selected from rare earth metals including Y and excluding Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, and T is one or more transition metals with Fe being an essential element. The R-T-B—Ga-based magnet material alloy includes: an RTB phasewhich is a principal phase, and an R-rich phase (and) which is a phase enriched with the R, wherein a non-crystalline phasein the R-rich phase has a Ga content (mass %) that is higher than a Ga content (mass %) of a crystalline phasein the R-rich phase. With this, it is possible to enhance the magnetic properties of rare earth magnets that are manufactured from the alloy and reduce variations in the magnetic properties thereof.


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