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:
Sep. 08, 2015
Filed:
Jun. 20, 2012
Michiya Higuchi, Nagaokakyo, JP;
Fumito Suzuki, Moriyama, JP;
Yoshio Sakai, Otsu, JP;
Hisashi Marusawa, Joyo, JP;
Michiya Higuchi, Nagaokakyo, JP;
Fumito Suzuki, Moriyama, JP;
Yoshio Sakai, Otsu, JP;
Hisashi Marusawa, Joyo, JP;
GOO CHEMICAL CO., LTD., Kyoto, JP;
Abstract
The present invention provides a resin composition for resist to be efficiently formed into a cured product with high properties of crack resistance, bulge resistance, protrusion resistance, and the like for filling a through-hole, a via hole, or the like with the cured product. The resin composition for masks in accordance with the present invention contains a first resin and a second resin. The first resin is prepared by an addition reaction of polybasic acid anhydride with an adduct of an ethylenically unsaturated compound having a carboxyl group and bifunctional epoxy resin. The second resin having; a group obtained by an addition reaction of an epoxy group with monocarboxylic acid; and a group obtained by addition reaction of an epoxy group with polybasic acid.