X-ray or gamma ray systems or devices – Source – Electron tube
Patent
1997-08-29
1998-09-01
Porta, David P.
X-ray or gamma ray systems or devices
Source
Electron tube
378121, H01J 3506
Patent
active
058021400
ABSTRACT:
An X-ray generating apparatus is provided with a unitary vacuum enclosure having a rotating anode target and a cathode assembly for generating X-rays transmitted through an X-ray window. The cathode assembly is placed within the vacuum enclosure through an opening in the top wall thereof, and comprises a disk which completely covers this opening. The unitary vacuum enclosure and the disk form a radiation shield. For increasing a thermal capacity of the unitary vacuum enclosure and installing the X-ray generating apparatus into a gantry it further comprises a mounting block which may be coupled to or encompass the unitary vacuum enclosure. The X-ray window is placed within the mounting block. A window adaptor may be utilized for the X-ray window installation.
REFERENCES:
patent: 4811375 (1989-03-01), Klostermann
patent: 4841557 (1989-06-01), Haberrecker et al.
patent: 5056126 (1991-10-01), Klostermann et al.
patent: 5515413 (1996-05-01), Knudsen et al.
patent: 5703924 (1997-12-01), Hell et al.
Artig Christopher F.
Richardson John E.
Virshup Gary F.
Fishman Bella
Porta David P.
Varian Associates Inc.
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