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:
Nov. 12, 2019
Filed:
Sep. 05, 2016
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Yasunori Hoshino, Osaka, JP;
Shimpei Obata, Fukushima, JP;
Shigetoshi Fujita, Fukushima, JP;
Ryuji Takahashi, Fukushima, JP;
Abstract
A prepreg includes: a woven fabric base; and a semi-cured product of a resin composition, which fills an inside of the woven fabric base and coats a surface of the woven fabric base. The resin composition includes a thermosetting resin, an inorganic filler, a first thermoplastic resin soluble in an organic solvent, and a second thermoplastic resin insoluble in an organic solvent. With respect to 100 parts by mass of the thermosetting resin, a content ratio of the inorganic filler ranges from 50 parts by mass to 150 parts by mass, inclusive, and a total content ratio of the first thermoplastic resin and the second thermoplastic resin ranges from 20 parts by mass to 50 parts by mass, inclusive.