Injection apparatus both for positive and negative ions

Details Injection apparatus both for positive and negative ions Injection apparatus both for positive and negative ions

1995-09-05

1996-12-24

O'Shea, Sandra L.

Electric lamp and discharge devices: systems

High energy particle accelerator tube

With injection or extraction means

335210, H01J 2300, H01J 2334, H05H 700, H01F 700

Patent

active

055876323

ABSTRACT:
An injection apparatus both for positive and negative ions comprising: a first, a third and a fourth bump magnets arranged in order on a circulation orbit, a second bump magnet arranged on said circulation orbit between the first and the third bump magnets so as to maintain a given position relative to the circulation orbit and a carbon film arranged between the second and the third bump magnets, wherein the second bump magnet is afforded with both of respective functions of a bump magnet and a septum magnet, the second bump magnet is operated as the bump magnet upon the injection of a negative ion beam, while the second bump magnet is operated as the septum magnet upon the injection of a positive ion beam.

REFERENCES:
patent: 2979635 (1961-04-01), Burleigh
patent: 4737726 (1988-04-01), Ueda et al.
patent: 5073913 (1991-12-01), Martin
patent: 5285166 (1994-02-01), Hiramoto et al.
patent: 5315118 (1994-05-01), Mous
patent: 5477056 (1995-12-01), Hiroka
IEEE, May 1991, vol. 5, pp. 2700-2702, "Design of Beam Transfer Line and Injection System of Pohang Light Source", In Soo Ko et al.
IEEE, Jun. 1981, vol. NS-28, No. 3, pp. 2767-2768, "On the Multiturn Injection of High-Power Beams into an Accumulator Ring", Philip F. Meads, Jr.
IEEE, Jul. 1994, vol. 30, No. 4, pp. 2134-2137, "The Injection Septum Magnets of the SPring-8 Storage Ring", Keiko Kumagai et al.

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