X-ray or gamma ray systems or devices – Source – Electron tube
Reexamination Certificate
2006-05-23
2006-05-23
Church, Craig E. (Department: 2882)
X-ray or gamma ray systems or devices
Source
Electron tube
Reexamination Certificate
active
07050541
ABSTRACT:
An x-ray tube has a stationary cathode and a rotating anode in a vacuum housing. The anode is positioned on a housing-fixed axle such that it can be rotated, and is fashioned as a hollow body in the interior of which an axle-fixed ring projection is disposed, such that, at least between an inner surface of the rotating anode and the adjacent outer surface of the ring projection, a gap exists that is filled with liquid metal and forms a liquid-metal fluid bearing for the rotating anode.
REFERENCES:
patent: 4949369 (1990-08-01), Bittl
patent: 5541975 (1996-07-01), Anderson et al.
patent: 6327340 (2001-12-01), Runnoe
patent: 6430260 (2002-08-01), Snyder
patent: 2002/0085676 (2002-07-01), Snyder
patent: 195 23 162 (1996-01-01), None
Church Craig E.
Schiff & Hardin LLP
Siemens Aktiengesellschaft
Yun Jurie
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