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:
Aug. 11, 2020
Filed:
Feb. 03, 2015
Shin-etsu Chemical Co., Ltd., Tokyo, JP;
SHIN-ETSU CHEMICAL CO., LTD., Tokyo, JP;
Abstract
The present invention provides the substrate comprises a fiber film base material comprising a sheet of a surface-treated fiber film or a plural number of sheets of the surface-treated fiber films being laminated, wherein the surface-treated fiber film has a value of a conventional flexural rigidity measured by a method according to JIS R 3420 of 3-fold to 100-fold to a value of a conventional flexural rigidity of an untreated fiber film. There can be provided a substrate having a uniform and homogeneous insulating layer which does not generate unfastening or twisting of a fiber, and in addition to heat resistance, dimensional stability and impact resistance, having further excellent in bendability and flexibility.