Device for the ionization of metals having a high melting point,

Details Device for the ionization of metals having a high melting point, Device for the ionization of metals having a high melting point,

1991-01-16

1992-09-01

Anderson, Bruce C.

Radiant energy

Ion generation

Arc type

250427, 31511181, H01J 2700

Patent

active

051441438

ABSTRACT:
The device comprises a cylindrical casing provided with an internal cavity and with a flange and an arc chamber superimposed over the cylindrical casing and including a filament electrically supplied through supply conductors external to said casing and supported by said flange, a repeller plate held at a negative voltage through supply conductors external to said casing and supported by said flange and an inlet for a gas which may be ionized, Inside the arc chamber there is also a support for the metal to be ionized supported and connected electrically to an electrode at a negative voltage by means of a rod passing through the internal cavity of said cylindrical casing.

REFERENCES:
patent: 3408283 (1968-10-01), Chopra et al.
patent: 3409529 (1968-11-01), Chopra et al.
patent: 4074139 (1978-02-01), Pankove
patent: 4135094 (1979-01-01), Hull
patent: 4250009 (1981-02-01), Cuomo et al.
patent: 4339691 (1982-07-01), Morimaya et al.
patent: 4911814 (1990-03-01), Matsuoka et al.
Patent Abstracts of Japan, vol. 13, No. 481 (E-838) (3829) Oct. 31, 1980, & JP-A-01 189 838 (Nissin Electric) Jul. 31, 1989.
Nucl. Instrum. and Meth., vol. 22, 1963, North-Holland, J. H. Freeman: "A New Ion Source for Electromagnetic Isotope Separators".

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