X-ray or gamma ray systems or devices – Source – Electron tube
Reexamination Certificate
2007-07-17
2007-07-17
Glick, Edward J. (Department: 2882)
X-ray or gamma ray systems or devices
Source
Electron tube
C378S130000
Reexamination Certificate
active
10886080
ABSTRACT:
A system and method for providing a sealing arrangement in an X-ray tube are provided. The X-ray tube includes a rotating portion having a plurality of ball bearings and a liquid metal within a housing having the ball bearings therein. The rotating portion is configured to rotate an anode. The X-ray tube further includes a sealing portion formed by a liquid metal vacuum interface configured in a radial direction to resist flow of liquid metal from the housing to a vacuum portion.
REFERENCES:
patent: 5210781 (1993-05-01), Ono et al.
patent: 6377658 (2002-04-01), Vermilyea et al.
patent: 2002/0141538 (2002-10-01), Nakamuta et al.
patent: 479198 (1997-01-01), None
Dahan Frédéric
Gowda Hombe
Martin Thomas Saint
Tiwari Mayank
Turaga Ram
Armstrong Teasdale LLP
General Electric Company
Glick Edward J.
Horton Esq. Carl B.
Kao Chih-Cheng Glen
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