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:
Dec. 15, 2020
Filed:
Jan. 12, 2018
Applicant:
Shenzhen Sunlord Electronics Co., Ltd., Guangdong, CN;
Inventors:
Shengcheng Xia, Guangdong, CN;
Youyun Li, Guangdong, CN;
Assignee:
Shenzhen Sunlord Electronics Co., Ltd., Guangdong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 41/12 (2006.01); H01F 41/02 (2006.01); H01B 13/00 (2006.01); H01B 13/012 (2006.01); H01B 3/10 (2006.01); H01B 13/16 (2006.01); H01F 41/061 (2016.01); H01F 41/32 (2006.01); H01F 41/26 (2006.01); H01B 7/02 (2006.01); H01B 7/18 (2006.01); H01B 7/28 (2006.01); H01B 1/02 (2006.01);
U.S. Cl.
CPC ...
H01F 41/12 (2013.01); H01B 3/10 (2013.01); H01B 3/105 (2013.01); H01B 13/0016 (2013.01); H01B 13/012 (2013.01); H01B 13/16 (2013.01); H01F 41/0246 (2013.01); H01F 41/061 (2016.01); H01F 41/125 (2013.01); H01F 41/127 (2013.01); H01F 41/32 (2013.01); H01B 1/02 (2013.01); H01B 1/023 (2013.01); H01B 1/026 (2013.01); H01B 7/0216 (2013.01); H01B 7/0291 (2013.01); H01B 7/18 (2013.01); H01B 7/28 (2013.01); H01F 41/26 (2013.01);
Abstract
A method for preparing a power inductor includes the following steps A to E: A: preparing a composite wire; B: winding the composite wire according to a predetermined shape and a predetermined coil quantity, so as to form coils; C: placing the coils into a mold cavity, adding metal soft magnetic powder to the mold cavity, and pressing the metal soft magnetic powder and the coils to form a base comprising the coils; D: performing sintering treatment on the base; and E: plating two terminal electrodes on two ends of the base to form the power inductor.