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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 11798738 B1

PDFFull Text
Date of Patent:
Oct. 24, 2023

Filed:

Jul. 24, 2020

Magnetic powder, method for producing magnetic powder, powder magnetic core, and coil part

Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Momo Tadai, Suwa, JP;

Takuya Miyakawa, Matsumoto, JP;

Assignee:

SEIKO EPSON CORPORATION, Tokyo, JP;

Attorney:

Oliff PLC

Primary Examiner:

Kevin M Bernatz

Int. Cl.
CPC ...
H01F 41/02 (2006.01); H01F 1/24 (2006.01); H01F 1/33 (2006.01); H01F 17/06 (2006.01); H01F 27/28 (2006.01); H01F 27/32 (2006.01); H01F 27/255 (2006.01);
U.S. Cl.
CPC ...
H01F 41/0246 (2013.01); H01F 1/24 (2013.01); H01F 1/33 (2013.01); H01F 17/062 (2013.01); H01F 27/255 (2013.01); H01F 27/2823 (2013.01); H01F 27/32 (2013.01); Y10T 428/32 (2015.01);
Abstract

A magnetic powder includes a core portion containing a soft magnetic material, a foundation layer that is provided at a surface of the core portion, that contains an oxide of the soft magnetic material, and that has an average thickness of 0.1 nm or more and less than 10 nm, and an insulating layer that is provided at a surface of the foundation layer, and that contains an organosiloxane compound as a main material, wherein the organosiloxane compound has a C/Si atomic ratio of 0.01 or more and 2.00 or less.

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Tadai, Momo. (2023). Magnetic powder, method for producing magnetic powder, powder magnetic core, and coil part (U.S. Patent No. 11798738). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11798738

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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