X-ray or gamma ray systems or devices – Source
Reexamination Certificate
2005-08-02
2005-08-02
Glick, Edward J. (Department: 2882)
X-ray or gamma ray systems or devices
Source
C378S125000, C378S127000
Reexamination Certificate
active
06925151
ABSTRACT:
The invention relates to a device (1) for generating X-rays (57). The device comprises a source (7) for emitting electrons (53) and a liquid metal for emitting X-rays as a result of the incidence of electrons. The device further comprises a displacing member (11) for displacing the liquid metal through an impingement position (55) where the electrons emitted by the source impinge upon the liquid metal. As a result of the flow of liquid metal through the impingement position the heat, which is generated in the impingement position as a result of the incidence of the electrons upon the liquid metal, is transported away from the impingement position.According to the invention, the displacing member (11) has a contact surface (61), which is in contact with the liquid metal in the impingement position (55), and a driving member (31) for moving the contact surface in a direction which, in the impingement position, is substantially parallel to the contact surface. Thus the flow of liquid metal in the impingement position is achieved as a result of viscous shear forces in the liquid metal caused by friction forces between the liquid metal and the moving contact surface. As a result, the necessary pressure of the liquid metal is limited.
REFERENCES:
patent: 4551800 (1985-11-01), Riederer et al.
patent: 4559557 (1985-12-01), Keyes et al.
patent: 4953191 (1990-08-01), Smither et al.
patent: 5052034 (1991-09-01), Schuster
patent: 6185277 (2001-02-01), Harding
patent: 890 246 (1953-09-01), None
PCT International Search Report for International application No. PCT/IB 02/00335.
French Search Report for Patent application No. 200111441 of Apr. 9, 2001.
David Bernd
Harding Geoffrey
Potze Willem
Schlomka Jens Peter
Tielemans Leonardus Petrus Maria
Glick Edward J.
Keaney Elizabeth
Serra Wayne M.
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