Electron synchrotron accelerating apparatus

Details Electron synchrotron accelerating apparatus Electron synchrotron accelerating apparatus

1989-06-21

1991-01-29

Wieder, Kenneth

328234, 328236, H05H 708, H05H 1304

Patent

active

049889508

ABSTRACT:
An electron synchrotron accelerating apparatus comprises an accelerating ring, superconducting magnets for applying deflecting magnetic fields inside the accelerating ring, and an electron injector for injecting low-energy electron beams of 40 MeV or less into the accelerating ring. The low-energy electron beams of 40 MeV or less are injected a plurality of times for each predetermined period of time, by means of the electron injector. Inventors hereof find that the radiation damping time is shorter than the beam lifetime, even though the energy of the injected electron beams is relatively low. Accordingly, the electron beams can be injected a plurality of times before the lifetime of the injected beams terminates. Even though the energy of the injected electron beams is relatively low, therefore, accumulated electron current can be increased to a predetermined value. Thus, electronic synchrotron apparatus is provided which can produce a predetermined amount of synchrotron orbit radiations despite its compactness.

REFERENCES:
patent: 4623847 (1986-11-01), Anderberg et al.
Nuclear Instruments & Methods in Physics Research, vol. 200, Nos. 2/3, Sep. 1982, pp. 475-479, North Holland Publishing Co., Amsterdam, NL; U. Trinks et al.: "The Table-Top Synchrotron Radiation Source Klein ERNA".
Nuclear Instruments & Methods in Physics Research/Section B, vol. B24/25, part I, Apr. 3rd, 1987, pp. 425-428, Elsevier Science Publishers B.V. (North Holland Physics Publishing Division), Amsterdam, NL; N. Takahashi: "Compact Superconducting SR Ring for X-Ray Lithography".

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