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- W203589074 abstract "The discharge chamber of a high-current ion source with a sectional cold hollow cathode of conical shape formed by 44 coaxial rings and an emission grid is described. For a relative loss aperture of approx. = 1% of the fast oscillating electrons from the cavity, the discharge voltage does not exceed 500 V for currents of up to 200 A and helium or argon pressures of less than or equal to 10/sup -1/ Pa. Stable conditions are obtained with ion-extraction factors of up to 13% and a nonuniformity of ion-current density of approx. = 10% in the central zone of a grid with a diameter of up to 20 cm for a discharge current of 200 A and a pulse duration of up to 1 msec." @default.
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- W203589074 date "1988-08-01" @default.
- W203589074 modified "2023-09-27" @default.
- W203589074 title "Discharge chamber of high-current ion source with cold hollow cathode" @default.
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