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. 01, 1990
Filed:
Aug. 01, 1988
Applicant:
Inventors:
Howard A Fraenkel, Lebanon, NJ (US);
Joseph M Ilardi, Sparta, NJ (US);
Bruce E Kurtz, Lebanon, NJ (US);
Frank A Spicciati, Liverpool, NY (US);
Assignee:
Allied-Signal Inc., Morris Township, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430314 ; 430316 ; 430317 ; 430319 ; 430394 ; 204 15 ;
Abstract
This method relates to a process for manufacturing printed circuit boards in which a metal coating is sputtered onto certain regions of a substrate. Adhesion of the sputtered material is excellent. Surface preparation of the substrate and etching thereof prior to sputtering are virtually eliminated. Films deposited by sputtering exhibit uniform coverage and thickness.