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:
Aug. 20, 2013
Filed:
Jul. 08, 2010
Masao Asakawa, Tokyo, JP;
Tomokazu Ito, Tokyo, JP;
Makoto Morita, Tokyo, JP;
Atsushi Hitomi, Tokyo, JP;
Yasuhiro Hirobe, Tokyo, JP;
Kensaku Asakura, Tokyo, JP;
Masao Asakawa, Tokyo, JP;
Tomokazu Ito, Tokyo, JP;
Makoto Morita, Tokyo, JP;
Atsushi Hitomi, Tokyo, JP;
Yasuhiro Hirobe, Tokyo, JP;
Kensaku Asakura, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
The present invention is provided with a composite electronic device comprising an inductor element and an ESD protection element formed between two magnetic substrates, wherein the inductor element includes insulation layers made of a resin, and spiral conductors formed on the insulation layers, the ESD protection element includes a base insulation layer, a pair of gap electrodes arranged via gap formed therebetween on the base insulation layer, and an ESD absorbing layer arranged at least between the gap electrodes, and a gap protection layer provided on at least one of the upper side and lower side of the gap, the ESD absorbing layer includes a composite material having an insulation inorganic material and a conductive inorganic material discontinuously dispersed in a matrix of the insulation inorganic material. The gap protection layer is made of resin including magnetic powder and carbon.