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:
Nov. 16, 1989
Applicant:
Inventors:
Anthony B Suppelsa, Coral Springs, FL (US);
Robert W Pennisi, Boca Raton, FL (US);
James L Davis, Tamarac, FL (US);
Robert J Mulligan, Plantation, FL (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ; B44C / ; C03C / ; C03C / ;
U.S. Cl.
CPC ...
156656 ; 29852 ; 29846 ; 1566591 ; 156666 ; 156902 ; 427 97 ; 428139 ; 428209 ; 428901 ;
Abstract
A first conductive layer 12 is deposited on the substrate 14. Next, a second conductive layer 16 with a circuit pattern is deposited on the first layer 12. Finally, the first conductive layer 12 not residing under the second conductive layer 16 is etched off, leaving the second layer 16 above the first layer 12.