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:
Apr. 13, 2010
Filed:
Apr. 12, 2007
Miho Yamaguchi, Ibaraki, JP;
Miho Yamaguchi, Ibaraki, JP;
Nitto Denko Corporation, Osaka, JP;
Abstract
A photosensitive epoxy resin adhesive composition which is capable of forming a pattern by exposure to light through a photomask and development, and which, even after having formed a pattern in that manner, may still exhibit high adhesiveness when heated while keeping its pattern as such, as well as a photosensitive adhesive film which comprises the photosensitive epoxy resin adhesive composition. The photosensitive epoxy resin adhesive composition comprises an epoxy resin and a photo-acid generator, wherein the epoxy resin comprises a polyfunctional epoxy resin having an epoxy equivalent of from 100 to 300 g/eq and a polyfunctional epoxy resin having an epoxy equivalent of from 450 to 10000 g/eq.