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:
Oct. 04, 2016
Filed:
Feb. 20, 2013
Tdk Corporation, Minato-ku, Tokyo, JP;
Hitoshi Taguchi, Tokyo, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
Provided is a sintered ferrite magnetthat contains Sr ferrite having a hexagonal crystal structure, wherein the total amount of Na and K is 0.01 to 0.09% by mass in terms of NaO and KO, an amount of Si is 0.1 to 0.29% by mass in terms of SiO, and the following Expression (1) is satisfied.2.5≦(Sr+Ba+Ca+2Na+2K)/Si≦5.4  (1) [In Expression (1), Srrepresents an amount of Sr, on a molar basis, other than Sr which constitutes the Sr ferrite, and Ba, Ca, Na, and K represent amounts of respective elements on a molar basis.]
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile