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. 10, 2018
Filed:
Jun. 26, 2008
Shinya Ochi, Ehime, JP;
Ryuichi Nakagami, Ehime, JP;
Makoto Kohtoku, Kanagawa, JP;
Mika Hamada, Kanagawa, JP;
Shinya Ochi, Ehime, JP;
Ryuichi Nakagami, Ehime, JP;
Makoto Kohtoku, Kanagawa, JP;
Mika Hamada, Kanagawa, JP;
EBARA-UDYLITE CO., LTD., Tokyo, JP;
Abstract
An object is to provide a laminated polyimide substrate, and a method for the production thereof, in which various properties are ensured and/or provided by effectively controlling changes over time under stringent conditions, while ensuring sufficient adhesion between a polyimide film and metal layer. A laminated polyimide substrate comprises a polyimide layer, an alkali-treated layer derived from the polyimide layer, and a metal layer, arranged in that order, wherein the alkali-treated layer contains an anionic functional group, and is a laminated structure having a layer containing a metal catalyst arranged on the metal layer side and a layer containing a complex of the metal catalyst arranged on the polyimide layer side.