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:
Jul. 12, 2022
Filed:
Jan. 17, 2019
Tatsuta Electric Wire & Cable Co., Ltd., Higashiosaka, JP;
Masahiro Watanabe, Kizugawa, JP;
Shigeki Takeshita, Kizugawa, JP;
TATSUTA ELECTRIC WIRE & CABLE CO., LTD., Higashiosaka, JP;
Abstract
An electromagnetic wave shielding film includes an insulating protective layer, and a release film covering a surface of the insulating protective layer. The release film has a transmittance of 20-80% at a wavelength of 535 nm, a tight attachment confirmability index Ia of 11 or more, the tight attachment confirmability index Ia being represented by expression 1, and a presence visibility index Iv of 11 or more, the presence visibility index Iv being represented by expression 2.=(Δ)  (expression 1)=(Δ)  (expression 2)