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:
May. 20, 2008
Filed:
Dec. 14, 2004
Applicants:
Nobuo Naito, Tokyo-To, JP;
Fumihiro Arakawa, Tokyo-To, JP;
Tadahiro Masaki, Tokyo-To, JP;
Inventors:
Assignee:
Dai Nippon Printing Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electromagnetic wave shielding filter comprises a transparent substrate, and a metal mesh layerwith line partsthat define openingsof the mesh, laminated to one surface of the transparent substrateby an adhesive. A first blackening layerA and an anticorrosive layerA are successively formed on the surfaces, on the transparent substrate side, of the line partsof the metal mesh layer. A second blackening layerB is formed on surfaces, on the side opposite to the transparent substrate, of the line partsof the metal mesh layer, and also on side faces of the line parts