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. 31, 2012
Filed:
Nov. 24, 2006
Hisato Takahashi, Chikusei, JP;
Hisashi Tsukahara, Koga, JP;
Kyouichi Tomita, Chikusei, JP;
Shinsuke Hagiwara, Chikusei, JP;
Hisato Takahashi, Chikusei, JP;
Hisashi Tsukahara, Koga, JP;
Kyouichi Tomita, Chikusei, JP;
Shinsuke Hagiwara, Chikusei, JP;
Hitachi Chemical Co., Ltd., Tokyo, JP;
Abstract
The present invention provides a liquid resin composition for electronic components, which is excellent in migration resistance and also superior in formability and reliability, as well as an electronic component device sealed therewith, and relates to a liquid resin composition for electronic components, which comprises (A) an epoxy resin, (B) a cyclic acid anhydride which is liquid at ordinary temperature and has an acid anhydride equivalent of 200 or more, and (C) a coupling agent.