Radiant energy – Electrically neutral molecular or atomic beam devices and...
Patent
1987-04-06
1989-07-25
Anderson, Bruce C.
Radiant energy
Electrically neutral molecular or atomic beam devices and...
250423R, 2504923, H01J 3700, H05H 300
Patent
active
048516686
ABSTRACT:
An ion source application device comprising a gas tight plasma formation chamber sustaining a plasma produced by high frequency discharge, a high frequency coil producing the high frequency discharge, and means for extracting an ion beam from the plasma thus produced, characterized in that it comprises further an electron beam generator or a laser light generator as means for obtaining electrons serving as seeds for starting the high frequency discharge.
REFERENCES:
patent: 3956666 (1976-05-01), Reader et al.
patent: 4713585 (1987-12-01), Ohno et al.
patent: 4716491 (1987-12-01), Ohno et al.
Pak et al., Broad Beam Ion Source Operation with Four Common Gases, Rev. Scilnstrom 51(4), Apr., 1980, pp. 536-539.
Leung et al. Summary Abstract: Ratio Frequency Ion Source Development for Neutral Beam Applications, J. Voc. Sci. Tech, 2(2), Apr. Je 1984.
Hakamata Yoshimi
Kurosawa Tomoe
Kurosawa Yukio
Ohno Tasunori
Sato Tadashi
Anderson Bruce C.
Hitachi , Ltd.
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