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:
Jun. 05, 1990
Filed:
Aug. 23, 1988
Applicant:
Inventors:
Daniel Gally, Grenoble, FR;
Pierre P Jobert, St. Egreve, FR;
Assignee:
Thomson-CSF, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ; H01J / ; H01J / ; C23C / ;
U.S. Cl.
CPC ...
313528 ; 313530 ; 313534 ; 2502 / ; 427 39 ; 4272552 ;
Abstract
An ionic bombardment barrier layer is provided for vacuum tube, said layer being formed of a stable compound of nitrogen and silicon. It is deposited by vapor phase chemical reaction activated by low temperature plasma. It finds an application in light image intensifier tubes.
Gally, Daniel. (1990). Ion bombardment barrier layer for a vacuum tube (U.S. Patent No. 4931693). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4931693
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile