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:
Jan. 23, 2018
Filed:
Jan. 19, 2016
Applicant:
Samsung Electro-mechanics Co., Ltd., Suwon-Si, Gyeonggi-Do, KR;
Inventors:
Youn Kyu Choi, Suwon-Si, KR;
Mi Jung Kang, Suwon-Si, KR;
Hea Ah Kim, Suwon-Si, KR;
Yun Young Yang, Suwon-Si, KR;
Jae Yeol Choi, Suwon-Si, KR;
Assignee:
SAMSUNG ELECTRO-MECHANICS CO., LTD., Suwon-si, Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 5/00 (2006.01); H01F 17/04 (2006.01); H01F 27/24 (2006.01); H01F 27/255 (2006.01); H01F 27/29 (2006.01); H01F 17/00 (2006.01); H01F 1/147 (2006.01); H01F 1/153 (2006.01);
U.S. Cl.
CPC ...
H01F 27/255 (2013.01); H01F 17/0013 (2013.01); H01F 27/292 (2013.01); H01F 1/14708 (2013.01); H01F 1/15308 (2013.01);
Abstract
A magnetic composition includes: coarse powder containing a non-crystalline iron-based material; medium powder containing a crystalline iron-based material; and fine powder containing nickel. A ratio of the coarse powder and the medium powder is in a range of 65:35 to 80:20, and the amount of the fine powder is in a range of 3 wt % to 7 wt % on the basis of a total weight of the coarse powder and the medium powder.