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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.:

US 10479050 B1

PDFFull Text
Date of Patent:
Nov. 19, 2019

Filed:

May. 31, 2017

Method of preparing conductive magnetic composite sheet and antenna device

Applicant:

Skc Co., Ltd., Suwon-si, Gyeonggi-do, KR;

Inventors:

Tae Kyoung Kim, Seoul, KR;

Jong Hwi Park, Suwon-si, KR;

Jin Cheol Kim, Hwaseong-si, KR;

Hyun Gon Moon, Suwon-si, KR;

Jonghak Choi, Uiwang-si, KR;

Nah Young Kim, Anseong-si, KR;

Assignee:

SKC CO., LTD., Suwon-si, KR;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Binh X Tran

Int. Cl.
CPC ...
B32B 7/12 (2006.01); B32B 15/08 (2006.01); B32B 27/20 (2006.01); B32B 27/40 (2006.01); H01Q 1/24 (2006.01); H01Q 1/36 (2006.01); B32B 5/16 (2006.01); B32B 15/16 (2006.01); B32B 15/20 (2006.01); H01Q 7/06 (2006.01); B32B 37/06 (2006.01); B32B 37/10 (2006.01); B32B 38/00 (2006.01); H02J 7/02 (2016.01); H04B 5/00 (2006.01); B32B 37/18 (2006.01); B32B 37/20 (2006.01);
U.S. Cl.
CPC ...
B32B 7/12 (2013.01); B32B 5/16 (2013.01); B32B 15/08 (2013.01); B32B 15/16 (2013.01); B32B 15/20 (2013.01); B32B 27/20 (2013.01); B32B 27/40 (2013.01); H01Q 1/242 (2013.01); H01Q 1/36 (2013.01); H01Q 7/06 (2013.01); B32B 37/06 (2013.01); B32B 37/10 (2013.01); B32B 37/18 (2013.01); B32B 37/20 (2013.01); B32B 2038/0076 (2013.01); B32B 2250/03 (2013.01); B32B 2250/40 (2013.01); B32B 2255/06 (2013.01); B32B 2255/26 (2013.01); B32B 2260/025 (2013.01); B32B 2260/046 (2013.01); B32B 2264/102 (2013.01); B32B 2264/105 (2013.01); B32B 2264/107 (2013.01); B32B 2264/12 (2013.01); B32B 2307/202 (2013.01); B32B 2307/208 (2013.01); B32B 2307/732 (2013.01); B32B 2375/00 (2013.01); B32B 2457/00 (2013.01); H02J 7/025 (2013.01); H04B 5/0081 (2013.01);
Abstract

According to a method of preparing a conductive magnetic composite sheet, the method comprising preparing a magnetic sheet comprising a magnetic powder and a binder resin; stacking the magnetic sheet and a first conductive foil; and applying heat and pressure to the obtained stack to bond the magnetic sheet and the first conductive foil, a conductive magnetic composite sheet having excellent interlayer adhesion between the magnetic sheet and the conductive foil can be prepared while having an excellent magnetic property at NFC, WPC, and MST frequencies.

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