X-ray or gamma ray systems or devices – Source – Target
Reexamination Certificate
2008-03-04
2008-03-04
Thomas, Courtney (Department: 2882)
X-ray or gamma ray systems or devices
Source
Target
C378S137000, C378S138000, C378S139000
Reexamination Certificate
active
07340036
ABSTRACT:
An X-ray generator includes an electron source generating an electron beam, a target generating an X-ray by a collision of the electron beam and extending in a direction orthogonal to the electron beam, and a cylindrical electrode covering a collision portion of the target to which the electron beam collides and having a bore allowing the electron beam to pass through. The electron source and the target are arranged in such a way that the X-ray is radiated in the direction orthogonal to an optical axis of the electron beam. A depression equivalent to a notch of the target is provided in a collision face side of the electron beam on the target and also in a reverse location of a tip of the target located on an outgoing radiation side of the X-ray relative to a collision location of the electron beam on the target.
REFERENCES:
patent: 5563923 (1996-10-01), Okada et al.
patent: 6381305 (2002-04-01), Okada et al.
patent: 2006-185842 (2006-07-01), None
Ishida Hidenobu
Tamura Tomomi
Tomita Sadamu
Kanesaka Manabu
Shimadzu Corporation
Thomas Courtney
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