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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 10196534 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:

Takumi Asanuma, Tokyo, JP;

Masami Aoyama, Tokyo, JP;

Yasushi Ishizaka, Tokyo, JP;

Tetsuya Mieda, Tokyo, JP;

Assignee:

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

Attorney:

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

Primary Examiner:

Angelo Trivisonno

Int. Cl.
CPC ...
H01L 31/042 (2014.01); H02N 6/00 (2006.01); C09D 115/00 (2006.01); C08F 2/44 (2006.01); H01L 31/048 (2014.01); C08F 2/48 (2006.01); H01L 51/10 (2006.01); H01L 51/44 (2006.01); C08F 290/04 (2006.01); C09K 3/10 (2006.01); C09D 123/20 (2006.01); C09D 123/22 (2006.01); C09D 157/02 (2006.01); H01L 23/29 (2006.01); H01L 51/52 (2006.01); C09D 7/63 (2018.01); C08K 5/07 (2006.01);
U.S. Cl.
CPC ...
C09D 115/00 (2013.01); C08F 2/44 (2013.01); C08F 2/48 (2013.01); C08F 290/048 (2013.01); C09D 7/63 (2018.01); C09D 123/20 (2013.01); C09D 123/22 (2013.01); C09D 157/02 (2013.01); C09K 3/1006 (2013.01); H01L 23/293 (2013.01); H01L 31/048 (2013.01); H01L 51/107 (2013.01); H01L 51/448 (2013.01); H01L 51/5253 (2013.01); C08K 5/07 (2013.01); C09K 2200/0617 (2013.01); Y02E 10/549 (2013.01);
Abstract

A resin composition for sealing an electronic device and other things 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 divalent organic group; R, Rand Reach represent a hydrogen atom or a C1-C10 alkyl group, and at least one organic group represented by chemical formula (2) is included within chemical formula (1); l and m each represent 0 or 1; n represents an integer of 15-150; and x:y=0 to 100:100 to 0; Rand Rare never both a hydroxyl group.

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