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:
Jun. 02, 2020
Filed:
Sep. 30, 2015
Dowa Electronics Materials Co., Ltd., Tokyo, JP;
Dowa F-tec Co., Ltd., Kume-gun, Okayama, JP;
Satoru Tsuboi, Kume-gun, JP;
Yasunobu Mishima, Kume-gun, JP;
Keisuke Ayabe, Kume-gun, JP;
Masayasu Senda, Kume-gun, JP;
DOW A ELECTRONICS MATERIALS CO., LTD., Tokyo, JP;
DOW A F-TEC CO., LTD., Okayama, JP;
Abstract
A ferrite powder for bonded magnets capable of producing a ferrite bonded magnet having high BH, and excellent in fluidity when converted to a compound, and having a high p-iHc value, and a method for producing the same, and a ferrite bonded magnet using the ferrite powder for bonded magnets, wherein an average particle size of particles obtained by a dry laser diffraction measurement is 5 μm or less; a specific surface area is 1.90 m/g or more and less than 2.80 m/g; a compression density is 3.50 g/cmor more and less than 3.78 g/cm, and a compressed molding has a coercive force of 2300 Oe or more and less than 2800 Oe.