Method and apparatus for generating x-ray beams

Details Method and apparatus for generating x-ray beams Method and apparatus for generating x-ray beams

2006-04-11

2006-04-11

Glick, Edward J. (Department: 2882)

X-ray or gamma ray systems or devices

Source

Electron tube

C378S138000, C378S144000

Reexamination Certificate

active

07027559

ABSTRACT:
A method and apparatus for generating x-ray beams are described. In one embodiment, the method includes operating a cathode to operating a cathode to generate an electron beam, directing the electron beam from the cathode through a selectable shaped aperture in an accelerating electrode, and impinging the electron beam at a low angle on an anode surface to form a focal spot on the anode surface.

REFERENCES:
patent: 4075489 (1978-02-01), Neal et al.
patent: 4685118 (1987-08-01), Furbee et al.
patent: 5029195 (1991-07-01), Danos
patent: 5828727 (1998-10-01), Schild
patent: 6052434 (2000-04-01), Toth et al.
patent: 6438207 (2002-08-01), Chidester et al.

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