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:
Sep. 23, 1997
Filed:
Sep. 26, 1995
Applicant:
Inventors:
Michel Ida, Voreppe, FR;
Brigitte Montmayeul, Brignoud, FR;
Assignee:
Commissariat a l'Energie Atomique, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
445 25 ; 430396 ;
Abstract
A process for the formation of holes in a photosensitive resin layer, which can be applied to the production of electron sources having emissive cathodes with microtips and flat display screens. According to this process, a resin layer is exposed through a monolayer of balls transparent to an exposure light, with each ball focussing the light onto the resin layer and in this way bringing about the exposure of an area of said resin layer so that the thus exposed resin layer is developed.