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:
Feb. 12, 1991
Filed:
Dec. 26, 1989
Applicant:
Inventors:
Michael J Piatt, Enon, OH (US);
Mark E Brown, West Carrollton, OH (US);
Michael A Walters, Kettering, OH (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
29840 ; 29846 ; 118697 ; 427 96 ;
Abstract
A process for fabricating a printed circuit board includes the steps of producing data in a printing-scan format representative of a designed area circuit pattern; with such data, printing a mask pattern, corresponding to said circuit pattern, on the metal surface of a dielectric substrate; and etching to remove unmasked portions of the metal layer.