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. 05, 2020
Filed:
Mar. 13, 2019
Applicants:
Seiji Kagawa, Koshigaya-shi, Saitama, JP;
Atsuko Kagawa, Koshigaya-shi, Saitama, JP;
Inventor:
Seiji Kagawa, Koshigaya, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 9/00 (2006.01);
U.S. Cl.
CPC ...
H05K 9/0088 (2013.01); H05K 9/0062 (2013.01); H05K 9/0069 (2013.01);
Abstract
An electromagnetic-wave-absorbing composite sheet contains an electromagnetic-wave-absorbing film, and an electromagnetic-wave-shielding film laminated on the electromagnetic-wave-absorbing film, wherein the electromagnetic-wave-absorbing film is formed of a thin Ni or conductive polymer film having surface resistance in a range of 50-200 Ω/square, which is disposed on a surface of a plastic film, and an area ratio of the electromagnetic-wave-shielding film to the electromagnetic-wave-absorbing film is 10-80%.