Electric lamp and discharge devices: systems – High energy particle accelerator tube – Magnetic field acceleration means
Reexamination Certificate
2007-12-31
2009-10-27
Wells, Nikita (Department: 2881)
Electric lamp and discharge devices: systems
High energy particle accelerator tube
Magnetic field acceleration means
C315S506000, C315S507000, C315S005390, C315S005410, C315S005420, C250S3960ML
Reexamination Certificate
active
07609009
ABSTRACT:
The electrode lengths of a plurality of electrodes linearly arranged in an acceleration cavity are proportional to the velocity of a traveling ion beam. Further, the electrode length is so designated that, in each half of a predetermined cycle in the ion beam direction of travel, the absolute value of a difference, relative to a length that is proportional to the beam traveling velocity is equal to or greater than a value corresponding to the phase width of the traveling ion beam, is provided for electrodes that do not exceed three units and that are fewer than electrodes allotted to half the predetermined cycle.
REFERENCES:
patent: 6777893 (2004-08-01), Swenson
patent: 6888326 (2005-05-01), Amaldi et al.
patent: 7098615 (2006-08-01), Swenson et al.
Y. Iwata, et al., “Alternating-Phase-Focused Linac for an Injector of Medical Synchrotrons”, Proceedings of EPAC, Lucerne, Switzerland, 2004, pp. 2631-2633.
Harada Hisashi
Inoue Hiromitsu
Nagayama Takahisa
Tanaka Hirofumi
Yamamoto Kazuo
Mitsubishi Electric Corporation
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Wells Nikita
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