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:
Jul. 14, 2015

Filed:

Oct. 16, 2009
Applicant:

Kazuki Kammuri, Ibaraki, JP;

Inventor:

Kazuki Kammuri, Ibaraki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 9/00 (2006.01); B32B 37/12 (2006.01); B32B 15/08 (2006.01); B32B 15/09 (2006.01); B32B 15/20 (2006.01); B32B 7/12 (2006.01);
U.S. Cl.
CPC ...
B32B 15/08 (2013.01); B32B 7/12 (2013.01); B32B 15/09 (2013.01); B32B 15/20 (2013.01); H05K 9/0015 (2013.01); H05K 9/0088 (2013.01); B32B 2255/06 (2013.01); B32B 2255/205 (2013.01); B32B 2307/212 (2013.01);
Abstract

An electromagnetic shielding materialcomprising a plurality of copper foil compositesconnected together in a longitudinal direction L, the composite having a copper foiland a resin filmwhich are laminated, wherein an overlapped partof the copper foil composites is adhered with an epoxy based adhesivecomprising as main components an epoxy resin and one or more of flexibility providing resins selected from the group consisting of nitrile butadiene rubber, natural rubber, styrene butadiene rubber, butadiene rubber, ethylene propylene rubber, isoprene rubber, urethane rubber and acrylic rubber, and wherein the epoxy based adhesive disposed at the overlapped part of the copper foil composites has a length LA in the longitudinal direction of 1 to 6 mm.


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