X-ray or gamma ray systems or devices – Source – Electron tube
Reexamination Certificate
2007-09-25
2009-12-15
Song, Hoon (Department: 2882)
X-ray or gamma ray systems or devices
Source
Electron tube
C315S500000
Reexamination Certificate
active
07634062
ABSTRACT:
An objective is to provide a circular acceleration apparatus that can accelerate higher currents as well as avoid complex controlling of a deflecting magnetic field generated by an electron deflection unit. The circular acceleration apparatus is provided, which comprising a circular accelerator2including an electron acceleration unit13and a deflection-magnetic-field generating unit14; an electron generator1, to which a pulsed voltage is applied, to generate electrons for injecting to the circular accelerator2; and a circuit element which generates the pulsed voltage for providing to the electron generator1by making the pulsed voltage applied to the electron generator1have at least one of a slow rising edge and a slow falling edge.
REFERENCES:
patent: 5471516 (1995-11-01), Nunan
patent: 5680018 (1997-10-01), Yamada
patent: 2006/0056596 (2006-03-01), Mori et al.
patent: 8-195300 (1996-07-01), None
patent: 2004-296164 (2004-10-01), None
Tohru Kamei, et al., “Accelerator Science”, Published by Maruzen Co., Ltd., 1993, pp. 39-43.
Nagayama Takahisa
Tanaka Hirofumi
Zumoto Nobuyuki
Mitsubishi Electric Corporation
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Song Hoon
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