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:
Dec. 04, 1990
Filed:
Jun. 20, 1988
Applicant:
Inventors:
Richard W Lusignea, Brighton, MA (US);
James L Racich, Framingham, MA (US);
Andrew C Harvey, Waltham, MA (US);
Ruby R Chandy, Cambridge, MA (US);
Assignee:
Foster-Miller, Inc., Waltham, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428209 ; 428337 ; 428419 ; 428901 ; 361397 ; 361398 ; 361414 ; 528176 ;
Abstract
The present invention is directed to the use of multiaxially oriented (e.g., biaxially) thermotropic polymers as a substrate material for the preparation of printed wire boards (PWB). In preferred embodiments, the PWB of the present invention comprises a generic, high density, organic multilayer PWB comprising XYDAR.RTM. and/or VECTRA.RTM. films, capable of being employed as a high density leadless perimeter and in grid array ceramic chip packages.