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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.:

US 10020791 B1

PDFFull Text
Date of Patent:
Jul. 10, 2018

Filed:

Apr. 04, 2016

Ferrite composition and electronic component

Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Kouichi Kakuda, Tokyo, JP;

Ryuichi Wada, Tokyo, JP;

Yukari Akita, Tokyo, JP;

Yukio Takahashi, Tokyo, JP;

Takashi Suzuki, Tokyo, JP;

Asuka Murai, Tokyo, JP;

Hiroyuki Tanoue, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:

Oliff PLC

Primary Examiner:

C Melissa Koslow

Int. Cl.
CPC ...
C04B 35/30 (2006.01); H03H 7/01 (2006.01); C04B 35/26 (2006.01); H01F 1/34 (2006.01); H01F 17/00 (2006.01); H01F 17/04 (2006.01);
U.S. Cl.
CPC ...
H03H 7/0115 (2013.01); C04B 35/265 (2013.01); H01F 1/344 (2013.01); H01F 17/0013 (2013.01); H01F 17/04 (2013.01); H01F 2017/0026 (2013.01); H01F 2017/048 (2013.01);
Abstract

Provided is a ferrite composition composed of: a main component including 23.0 to 47.0 mole % of Fe compound in terms of FeO, 3.0 to 16.0 mole % of Cu compound in terms of CuO, 4.0 to 39.0 mole % of Zn compound in terms of ZnO, 1.5 to 13.0 mole % of Si compound in terms of SiO, and a residue of Ni compound; and a subcomponent including, with respect to 100 parts by weight of the main component, 0.1 to 8.0 parts by weight of Co compound in terms of CoOand 0.25 to 5.00 parts by weight of Bi compound in terms of BiO.

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