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:
Jul. 10, 1984
Filed:
Apr. 15, 1981
Applicant:
Inventors:
Didier Grauleau, Paris, FR;
Arvind Shroff, Paris, FR;
Assignee:
Thomson-CSF, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
427 78 ; 427122 ; 4271264 ; 427124 ; 427259 ; 427282 ; 427226 ;
Abstract
A complementary grid made from a volatile material is formed on the surface of the cathode, which is then covered with the material of the grid (parts 5 and 6). After the volatilization of the complementary grid there leaves an integrated grid (part 6) on this surface.