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:
May. 07, 2002
Filed:
Jan. 30, 2001
Applicant:
Inventors:
Assignee:
Hamamatsu Photonics K.K., Hamamatsu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 3/506 ;
U.S. Cl.
CPC ...
H01J 3/506 ;
Abstract
An X-ray tube in which a cathode is heated to emit electrons and the electrons are bombarded against an anode target thereby generating X-rays includes a stem substrate mounted on an opening of a container housing the cathode a plurality of pins extending through the insulating substrate and adapted to supply a voltage into the container and pin covers mounted on the pins in the container and arranged at positions away from a surface of the stem substrate to cover base portions of the pins