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:
Feb. 06, 2007

Filed:

Oct. 14, 2003
Applicants:

Yong Sul Song, Seoul, KR;

Jae Hwa Hong, Seoul, KR;

Hie Jin Kim, Kimpo-si, KR;

Inventors:

Yong Sul Song, Seoul, KR;

Jae Hwa Hong, Seoul, KR;

Hie Jin Kim, Kimpo-si, KR;

Assignee:

Amosense Co., Ltd., Kyungki-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/153 (2006.01); H01F 1/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for making an amorphous soft magnetic core using Fe-based amorphous metal powders is provided. The amorphous soft magnetic powders are obtained by crushing amorphous ribbons produced using a rapid solidification process (RSP). The magnetic core is obtained by performing a preliminary thermal treatment of amorphous metal ribbons made of Fe-based amorphous metal alloy using RSP, crushing the amorphous metal ribbons to thereby obtain amorphous metal powders, classifying the amorphous metal powders to then be mixed into a distribution of powder particles having an optimal uniform composition, mixing the mixed amorphous metal powders with a binder, forming a core, and annealing the formed core to then coat the core with an insulating resin.


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