Radiant energy – Irradiation of objects or material – Ion or electron beam irradiation
Patent
1997-12-03
1999-12-28
Westin, Edward P.
Radiant energy
Irradiation of objects or material
Ion or electron beam irradiation
315503, 315507, H05H 1304
Patent
active
060084995
ABSTRACT:
An object of the present invention is to provide a small synchrotron type accelerator and a medical treatment system employing the same. In order to attain this object, according to the present invention, a synchrotron type accelerator includes: a deflecting electromagnet which is arranged on a circulating orbit of a charged particle beam; a first deflector for beam ejection by which the charged particle beam turning along the circulating orbit is deflected; and a second deflector for beam ejection which is used in pairs with the first deflector for beam ejection and by which the charged particle beam which has been deflected by the first deflector for beam ejection is introduced into an ejected beam transporting system, wherein both the deflecting electromagnet and the second deflector for beam ejection are arranged in this order downstream with respect to the first deflector for beam ejection.
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patent: 5363008 (1994-11-01), Hiramoto et al.
patent: 5698954 (1997-12-01), Hirota et al.
"Proceedings of the 1995 Particle Accelerator Conference", May 1-5, 1995, "Lattice Design of Indiana University Cyclotron Facility Cooler Injector Synchrotron", D. Li et al, Indiana University Cyclotron Facility, Bloomington, IN.
The 8th Symp. on Accelerator Science and Technology, 1991, Saitama, Japan, pp. 413-415.
Hiramoto Kazuo
Matsuda Koji
Umezawa Masumi
Hitachi , Ltd.
Wells Nikita
Westin Edward P.
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