Ion removing device, ion removing method and electron accumulati

Details Ion removing device, ion removing method and electron accumulati Ion removing device, ion removing method and electron accumulati

1993-02-09

1995-10-10

Yusko, Donald J.

Electric lamp and discharge devices: systems

High energy particle accelerator tube

315501, 315502, 315503, 315504, H05H 1300

Patent

active

054573610

ABSTRACT:
An ion removing device includes an ion inducing electrode provided in a vacuum container in a deflection portion of an electron accumulating ring along an inner peripheral wall of the vacuum container, an ion removing electrode provided in the vacuum container near each of ports of the defection portion of the electron accumulating ring, and a power source for applying a voltage to both the ion inducing electrode and the ion removing electrodes. An ion removing method includes the steps of inducing ions trapped by a potential generated by an electron beam to ports of a deflection portion of an electron accumulating ring by forming an electric field in a vacuum container in the deflection portion, and removing the ions which have been inducted to the ports of the defection portion. An electron accumulating ring includes a vacuum container for retaining electrons in a vacuum, a deflection electromagnet provided around the vacuum container located in a deflection portion for generating a magnetic field to deflect an electron beam, an ion inducing electrode provided in the vacuum container located in the deflection portion along an inner peripheral wall of the vacuum container, an ion removing electrode provided in the vacuum container at each of ports of the deflection portion, and a power source for applying a voltage to both the ion inducing electrode and the ion removing electrodes.

REFERENCES:
patent: 4808941 (1989-02-01), Marsing
patent: 4916404 (1990-04-01), Tsumaki et al.
"High-Energy Accelerator Seminar"; High Energy Physics Association; No. VI, p. 17; 1986.
S. Sugiyama, et al "Ion Clearing At Teras" The 6th Symp. on Accelerator Science & Technology, 1987, Tokyo, Japan.

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