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. 09, 2025
Filed:
Jul. 22, 2022
Tatsuta Electric Wire & Cable Co., Ltd., Osaka, JP;
Tsunehiko Terada, Kyoto, JP;
Kousuke Kado, Kyoto, JP;
TATSUTA ELECTRIC WIRE & CABLE CO., LTD., Osaka, JP;
Abstract
Provided is an electromagnetic wave shielding film capable of blocking or allowing passage of only an electromagnetic wave with a specific frequency. An electromagnetic wave shielding film, including: a metamaterial layer including a first main surface and a second main surface opposite to the first main surface; and an adhesive layer formed on the second main surface of the metamaterial layer, wherein when the metamaterial layer is viewed in a plan view from at least one of the first main surface or the second main surface, the metamaterial layer includes a conductive region where predetermined patterns made of a conductive material are periodically arranged, and a non-conductive region other than the conductive region.