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:
Apr. 28, 2015

Filed:

Jul. 24, 2012
Applicants:

Jin Woo Kwak, Gyeonggi-do, KR;

Kyong Hwa Song, Seoul, KR;

Han Saem Lee, Gyeonggi-do, KR;

Byung Sam Choi, Gyeonggi-do, KR;

Inventors:

Jin Woo Kwak, Gyeonggi-do, KR;

Kyong Hwa Song, Seoul, KR;

Han Saem Lee, Gyeonggi-do, KR;

Byung Sam Choi, Gyeonggi-do, KR;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 1/00 (2006.01); H01F 1/28 (2006.01); H01F 1/14 (2006.01); B82Y 30/00 (2011.01); H05K 9/00 (2006.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
H05K 9/0083 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); H01F 1/28 (2013.01); H05K 9/009 (2013.01); Y10S 977/742 (2013.01);
Abstract

Disclosed is a hybrid filler for an electromagnetic shielding composite material and a method of manufacturing the hybrid filler, by which electromagnetic shielding and absorbing capabilities are improved and heat generated by electromagnetic absorption is effectively removed. The hybrid filler for an electromagnetic shielding composite material includes an expandable graphite (EG) having a plurality of pores, and magnetic particles integrated with a carbon nanotube (CNT) on outer surfaces thereof in a mixed manner, wherein the magnetic particles are inserted into the pores of the EG.


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