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:
Dec. 05, 2023
Filed:
Sep. 25, 2019
Applicant:
Zeon Corporation, Tokyo, JP;
Inventors:
Tomoko Yamagishi, Tokyo, JP;
Mitsugu Uejima, Tokyo, JP;
Assignee:
ZEON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 9/00 (2006.01); C01B 32/159 (2017.01); C01B 32/174 (2017.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
H05K 9/009 (2013.01); C01B 32/159 (2017.08); C01B 32/174 (2017.08); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); C01B 2202/02 (2013.01);
Abstract
Disclosed is an electromagnetic wave absorbing sheet which includes a sheet-shaped fibrous substrate and carbon nanotubes positioned in a space inside in a thickness direction of the sheet-shaped fibrous substrate, wherein the fibrous substrate is composed of organic fibers, the carbon nanotubes comprise single-walled carbon nanotubes as a main component, and the electromagnetic wave absorbing sheet has an electrical conductivity of 0.7 S/cm or more and 20 S/cm or less.