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:
Apr. 09, 1991
Filed:
Nov. 17, 1989
Applicant:
Inventors:
John E Gantzhorn, Jr, Hockessin, DE (US);
Steven R Nann, Newark, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156089 ; 156286 ; 29851 ; 264 58 ; 264 65 ;
Abstract
A method for fabricating multilayer circuits comprising patterned conductive layers separated by dielectric layers and connected by vias in the dielectric, wherein the unfired dielectric layers are laminated as tapes or sheets over either a fired or unfired conductor layer while under a vacuum.