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:
Aug. 15, 1989
Filed:
May. 05, 1988
Applicant:
Inventor:
Hirosuke Suzuki, Saitama, JP;
Assignee:
Junkosha Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428120 ; 428195 ; 4283193 ; 428413 ; 428422 ; 428901 ; 174 36 ; 1741 / ;
Abstract
A reinforced porous dielectric sheet of expanded polytetrafluoroethylene is provided wherein solid plastic reinforcement elements in the form of circular columns or wall-like partitions extending through the dielectric sheet from one surface to the other are distributed within the sheet. The reinforced sheet is useful as a substrate for printed circuit boards. The reinforcement elements are preferably of a tetrafluoroethylene/ethylene copolymer or an epoxy resin.
Suzuki, Hirosuke. (1989). Reinforced dielectric sheet (U.S. Patent No. 4857381). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4857381
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile