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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.:

US 10196547 B1

PDFFull Text
Date of Patent:
Feb. 05, 2019

Filed:

Aug. 26, 2016

Resin composition for sealing electronic device, and electronic device

Applicant:

Furukawa Electric Co., Ltd., Tokyo, JP;

Inventors:

Masami Aoyama, Tokyo, JP;

Takumi Asanuma, Tokyo, JP;

Yasushi Ishizaka, Tokyo, JP;

Assignee:

FURUKAWA ELECTRICS CO., LTD., Tokyo, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Angelo Trivisonno

Int. Cl.
CPC ...
H02N 6/00 (2006.01); H01L 31/042 (2014.01); C09J 119/00 (2006.01); C08F 299/00 (2006.01); H01L 51/52 (2006.01); H01L 31/048 (2014.01); C09K 3/10 (2006.01); H01L 23/29 (2006.01); H01L 51/00 (2006.01); H01L 51/44 (2006.01);
U.S. Cl.
CPC ...
C09J 119/006 (2013.01); C08F 299/00 (2013.01); C09K 3/1006 (2013.01); H01L 23/293 (2013.01); H01L 31/0481 (2013.01); H01L 51/004 (2013.01); H01L 51/448 (2013.01); H01L 51/5246 (2013.01); C09K 2200/0617 (2013.01); H01L 2924/0002 (2013.01); Y02E 10/549 (2013.01);
Abstract

A resin composition for sealing an electronic device and other things being capable of sealing an electronic device without trapping air and being capable of suppressing the permeation of water vapor is provided. The present invention includes a polybutadiene polymer represented by chemical formula (1) and having a (meth) acryloyl group at a terminal end; and a photopolymerization initiator, and does not include a thermoplastic resin having a mass-average molecular weight of 50,000 or more: wherein Rand Reach represent a hydroxyl group or HC═C(R)—COO—; Rand Reach represent a C1-C16 substituted or unsubstituted, non-N-containing divalent organic group; R, Rand Reach represent a hydrogen atom or a C1-C10 alkyl group; l and m each represent 0 or 1; n represents an integer from 15 to 150; and x:y=0 to 100:100 to 0; Rand Rare never both a hydroxyl group.

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