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. 28, 1992
Filed:
Nov. 21, 1989
Applicant:
Inventors:
Walter J Lackey, Jr, Marietta, GA (US);
E Kent Barefield, Decatur, GA (US);
William B Carter, Atlanta, GA (US);
John A Hanigofsky, Smyrna, GA (US);
David N Hill, Chamblee, GA (US);
Assignee:
Georgia Tech Research Corporation, Atlanta, GA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ; C23C / ;
U.S. Cl.
CPC ...
505-1 ; 505734 ; 505737 ; 505704 ; 427 62 ; 4272553 ; 4272552 ; 4272551 ; 4272481 ;
Abstract
A method for applying coatings to substrates using chemical vapor deposition with low vapor pressure reagents is disclosed which comprises the steps of: (a) placing a substrate in a furnace means; (b) directly introducing powder reagents by a powder feeder means into said furnace means; and (c) vaporizing and reacting said reagents within said furnace means resulting in the deposition from the vapor phase of a coating on said substrate, wherein said coating can be an oxide superconductor.