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. 15, 2019
Filed:
Jun. 18, 2015
Applicant:
Jx Nippon Mining & Metals Corporation, Tokyo, JP;
Inventors:
Koichiro Tanaka, Ibaraki, JP;
Kenji Sato, Tokyo, JP;
Assignee:
JX Nippon Mining & Metals Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/08 (2006.01); C23C 8/10 (2006.01); H05K 9/00 (2006.01); C23C 28/00 (2006.01);
U.S. Cl.
CPC ...
B32B 15/08 (2013.01); C23C 8/10 (2013.01); C23C 28/00 (2013.01); H05K 9/00 (2013.01); H05K 9/0073 (2013.01); B32B 2250/05 (2013.01); B32B 2250/42 (2013.01); B32B 2307/206 (2013.01); B32B 2457/00 (2013.01);
Abstract
Provided is an electromagnetic shielding material having improved electromagnetic shielding properties, light weight properties and formability. The present invention relates to an electromagnetic shielding material having a structure in which at least three metal foils are laminated via insulating layers, wherein all of combinations of the metal foils and the insulating layers making up the electromagnetic shielding material satisfy the equation: σ×d×d≥3×10,