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. 02, 1985
Filed:
Feb. 27, 1984
Applicant:
Inventors:
Eva C Freeman, Lincoln, MA (US);
Donald H Baird, Newton, MA (US);
Assignee:
GTE Laboratories Incorporated, Waltham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
2041 / ; 2041 / ; 2523 / ; 313503 ; 427 42 ;
Abstract
A method of coactivating a rare earth activated, electroluminescent zinc sulfide film with activator gas is described. The phosphor film is deposited upon a substrate by co-sputtering from a zinc sulfide target and a rare earth target in an atmosphere such as hydrogen, chlorine, fluorine or bromine, and an inert gas.
Quick Actions:
Freeman, Eva. (1985). Method for making thin film electroluminescent rare earth activated zinc (U.S. Patent No. 4508610). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4508610
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile