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:
May. 22, 2018
Filed:
Mar. 12, 2014
Applicant:
Hitachi Metals, Ltd., Minato-ku, Tokyo, JP;
Inventors:
Daichi Azuma, Yasugi, JP;
Naoki Itoh, Yasugi, JP;
Makoto Sasaki, Kumagaya, JP;
Shinichi Kazui, Kumagaya, JP;
Assignee:
HITACHI METALS, LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/24 (2006.01); H01F 3/04 (2006.01); B23K 26/40 (2014.01); H01F 1/153 (2006.01); H01F 41/02 (2006.01); B23K 26/00 (2014.01); B23K 26/08 (2014.01); B23K 26/354 (2014.01); B23K 26/082 (2014.01); B23K 26/0622 (2014.01); B23K 26/361 (2014.01); B23K 103/02 (2006.01); B23K 101/36 (2006.01);
U.S. Cl.
CPC ...
H01F 27/24 (2013.01); B23K 26/0006 (2013.01); B23K 26/0081 (2013.01); B23K 26/0084 (2013.01); B23K 26/0622 (2015.10); B23K 26/082 (2015.10); B23K 26/0853 (2013.01); B23K 26/354 (2015.10); B23K 26/361 (2015.10); B23K 26/40 (2013.01); H01F 1/153 (2013.01); H01F 3/04 (2013.01); H01F 41/0206 (2013.01); B23K 2201/36 (2013.01); B23K 2203/02 (2013.01); H01F 1/15308 (2013.01); H01F 41/0226 (2013.01);
Abstract
The invention provides a wound magnetic core which is configured by winding an Fe-based amorphous alloy ribbon, the wound magnetic core containing a recess row including plural recesses formed by laser irradiation in a central part of the Fe-based amorphous alloy ribbon in a width direction, in which a ratio of a length of the central part to a total width is from 0.2 to 0.8.