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. 17, 1998
Filed:
May. 01, 1997
Applicant:
Inventors:
Heinrich Behner, Moehrendorf, DE;
Thomas Weller, Erlangen, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
378123 ; 378210 ;
Abstract
X-ray tube with an anode and a cathode arranged in a vacuum housing has two getters in the inside of the vacuum housing for bonding free gases. One getter is disposed at a location in the vacuum housing neighboring the anode at which a relatively high temperature prevails during operation, and the other getter is disposed at a location at which a comparatively low temperature prevails during operation.