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:
May. 26, 1992
Filed:
Sep. 28, 1990
Applicant:
Inventor:
Leo M Higgins, III, Lakeville, MA (US);
Assignee:
Prime Computer, Inc., Natick, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
174261 ; 156902 ; 361410 ; 361414 ; 428901 ; 439 66 ;
Abstract
A high density multi-level printed wiring board having inter-level electrical connections made by via interconnect holes which are drilled or punched through only those layers of the wiring board that separate the two layers containing the conductors which are to be connected and said holes being filled with a low-resistance silver-filled conductive epoxy.