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:
Oct. 23, 2007
Filed:
Dec. 23, 2002
Applicants:
Fumihiro Arakawa, Tokyo-To, JP;
Eiji Ohishi, Tokyo-To, JP;
Yasuhiko Ishii, Tokyo-To, JP;
Inventors:
Assignee:
Dai Nippon Printing Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/552 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided an electromagnetic wave shielding sheet which can effectively prevent an adhesive layer from being colored at the time of etching. The electromagnetic wave shielding sheet comprises a laminate of at least a transparent substrate film, an adhesive layer, and an electromagnetic wave shielding layer. The electromagnetic wave shielding layer is formed of a mesh metal foil with densely arranged openings and being transparent. The adhesive layer is substantially colorless and transparent.