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. 15, 1988
Filed:
Apr. 13, 1987
Applicant:
Inventors:
Assignee:
Japan Gore-Tex, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428268 ; 428422 ; 4284735 ; 428901 ;
Abstract
A flexible base material for use in printed circuit boards is provided wherein a sheet of porous, expanded polytetrafluoroethylene is impregnated with a bismaleimide-triazine resin, and the resin is cured therein. The sheet may be laminated to a glass cloth and composites may be produced having a multiplicity of layers of such sheets and glass cloths.