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:
Feb. 13, 2018
Filed:
Jun. 05, 2016
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Takashi Hoshi, Fukushima, JP;
Takeshi Kitamura, Hyogo, JP;
Keiko Kashihara, Osaka, JP;
Hiroharu Inoue, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 1/03 (2006.01); H05K 1/02 (2006.01); C08J 5/24 (2006.01); C08G 59/62 (2006.01); C08L 63/00 (2006.01);
U.S. Cl.
CPC ...
H05K 1/0366 (2013.01); C08J 5/24 (2013.01); H05K 1/0271 (2013.01); H05K 1/0373 (2013.01); C08G 59/62 (2013.01); C08J 2363/00 (2013.01); C08J 2433/08 (2013.01); C08L 63/00 (2013.01); H05K 2201/0133 (2013.01); H05K 2201/0209 (2013.01); H05K 2201/029 (2013.01); H05K 2201/0224 (2013.01);
Abstract
A prepreg includes a resin composition including: (A) at least one of an epoxy resin having a naphthalene skeleton and a phenolic hardener having a naphthalene skeleton; (B) a polymer having at least the structures of formulae (2) and (3) among formulae (1), (2) and (3) and having a weight-average molecular weight of from 200,000 to 850,000 inclusive; and (C) an inorganic filler: