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. 12, 2013
Filed:
May. 28, 2009
Applicants:
Fumitaka Baba, Tokyo, JP;
Hideki Nakamura, Tokyo, JP;
Satoshi Tanaka, Tokyo, JP;
Takeshi Masuda, Tokyo, JP;
Inventors:
Fumitaka Baba, Tokyo, JP;
Hideki Nakamura, Tokyo, JP;
Satoshi Tanaka, Tokyo, JP;
Takeshi Masuda, Tokyo, JP;
Assignee:
TDK Corporation, Chuo-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D 7/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The process for producing a magnet according to the invention is characterized by comprising a first step in which a heavy rare earth compound containing Dy or Tb as a heavy rare earth element is adhered onto a sintered compact of a rare earth magnet and a second step in which the heavy rare earth compound-adhered sintered compact is subjected to heat treatment, wherein the heavy rare earth compound is a Dy or Tb iron compound.