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:
Oct. 05, 2021

Filed:

Apr. 24, 2017
Applicant:

Murata Manufacturing Co., Ltd., Kyoto-fu, JP;

Inventors:

Yoshiko Okada, Nagaokakyo, JP;

Atsushi Yamamoto, Nagaokakyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/147 (2006.01); H01F 1/34 (2006.01); H01F 27/28 (2006.01); H01F 17/00 (2006.01); C22C 38/00 (2006.01); H01F 27/245 (2006.01); H01F 27/255 (2006.01); H01F 17/04 (2006.01); H01F 27/04 (2006.01);
U.S. Cl.
CPC ...
H01F 1/14733 (2013.01); C22C 38/00 (2013.01); H01F 1/344 (2013.01); H01F 17/0013 (2013.01); H01F 27/245 (2013.01); H01F 27/255 (2013.01); H01F 27/28 (2013.01); H01F 27/2804 (2013.01); C22C 2202/02 (2013.01); H01F 17/04 (2013.01); H01F 27/04 (2013.01); H01F 2017/0093 (2013.01); H01F 2027/2809 (2013.01); Y10T 428/32 (2015.01);
Abstract

A multilayer coil component including: a magnetic part that contains Fe, Zn, V, and Ni and optionally contains Mn and/or Cu; and a conductor part that contains copper. In the magnetic part, Fe is in an amount of 34.0 to 48.5 mol % expressed as FeOequivalent, Zn is in an amount of 6.0 to 45.0 mol % expressed as ZnO equivalent, Mn is in an amount of 0 to 7.5 mol % expressed as MnOequivalent, Cu is in an amount of 0 to 5.0 mol % expressed as CuO equivalent, and V is in an amount of 0.5 to 5.0 mol % expressed as VOequivalent, with respect to the total amount of Fe expressed as FeOequivalent, Zn expressed as ZnO equivalent, V expressed as VOequivalent, and Ni expressed as NiO equivalent, and optionally present Cu expressed as CuO equivalent and optionally present Mn expressed as MnOequivalent.


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