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:
Mar. 27, 2001
Filed:
Feb. 23, 2000
Applicant:
Inventors:
Haruaki Sue, Tsukuba, JP;
Shinsuke Hagiwara, Shimodate, JP;
Fumio Furusawa, Yuki, JP;
Seiichi Akagi, Ibaraki-ken, JP;
Kazuyoshi Tendo, Tsukuba, JP;
Assignee:
Hitachi Chemical Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 1/404 ; C08G 8/04 ; C08G 5/808 ; C08G 6/500 ;
U.S. Cl.
CPC ...
C08G 1/404 ; C08G 8/04 ; C08G 5/808 ; C08G 6/500 ;
Abstract
The present invention provides a resin containing in the backbone chain a structural unit represented by the following Formula (I) or (II), as a novel phenolic resin having a high Tg, a low moisture absorption, a low molding shrinkage, high adhesive properties and high flow properties. The present invention also provides a resin composition and a molding material each containing the above resin, and an electronic component device having a device element encapsulated with it.