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:
Nov. 08, 1994
Filed:
Jul. 28, 1993
Applicant:
Inventors:
Jean-Claude Grossetie, Ispra, FR;
Joseph-Albert Miehe, Strasbourg, FR;
Mustapha Boussoukaya, Bretigny sur Orge, FR;
Assignee:
European Economic Community (EEC), Plateau Du Kirchberg, LU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
2502 / ; 313529 ;
Abstract
The invention relates to an ultrarapid camera for visualizing the intensity profile of a laser pulse. This camera comprises in vacuum housing a photocathode, an extraction grid, focalization electrodes, deflection plates and a visualization screen. According to the invention, the electron emitting photocathode is constituted by at least one metal tip (3, 12) and means (9, 10) are provided to send said laser pulse (13) into a zone situated in front of said tip.