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:
Feb. 18, 1992
Filed:
Sep. 10, 1990
Applicant:
Inventor:
Dieter Fritz, Gelnhausen, DE;
Assignee:
PTR Prazisionstechnik GmbH, Maintal/Dornigheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21912127 ;
Abstract
In the electron beam generator the cathode (3) the control electrode (4) and the anode (5) are provided with easily replaceable parts (12, 13, 14, 28, 29) so as to be able, by exchanging the parts, to optimize the electron beam generator in a simple manner for a selected power range within the working range of the electron beam gun.