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:
Jun. 04, 2024
Filed:
Jan. 28, 2019
Lg Innotek Co., Ltd., Seoul, KR;
Hyun Ji Lee, Seoul, KR;
Jai Hoon Yeom, Seoul, KR;
Sung Hoon Kim, Seoul, KR;
Seok Bae, Seoul, KR;
Sang Won Lee, Seoul, KR;
LG INNOTEK CO., LTD., Seoul, KR;
Abstract
A ferrite core according to an embodiment of the present invention includes a plurality of grains including Mn at 30 to 40 mol %, Zn at 5 to 15 mol %, and Fe at 50 to 60 mol %, and a plurality of grain boundaries disposed between the plurality of grains, wherein the plurality of grains and the plurality of grain boundaries include Co, Ni, SiO, CaO, and TaO, content of the Co and the Ni in the plurality of grains is two or more times higher than content of the Co and the Ni in the plurality of grain boundaries, content of the SiO, the CaO, and the TaOin the plurality of grain boundaries is two or more times higher than content of the SiO, the CaO, and the TaOin the plurality of grains, a magnetic permeability is 3000 or more, and a core loss is 800 or less.