Radiant energy – Ion generation – Field ionization type
Patent
1982-03-09
1984-06-05
Smith, Alfred E.
Radiant energy
Ion generation
Field ionization type
239703, H01J 304
Patent
active
044530773
ABSTRACT:
A thin freestanding oil film is produced in vacuum by directing an oil stream radially inward to the hollow-ground sharp outer edge of a rotating disc. The sides of the edge are roughened somewhat to aid in dispersing oil from the disc. Oil is removed from the surface of disc to prevent formation of oil droplets which might spin off the disc and disrupt the oil film. An ion beam is directed through the thin oil film so that electrons are stripped from the ions to increase their charge.
REFERENCES:
patent: 3083911 (1963-04-01), Griffiths, Jr.
patent: 3307789 (1967-03-01), Clark
patent: 4011993 (1977-03-01), Mizund et al.
Cramer et al., Production of Optically Thin, Free-Standing Oil Films from the Edge of a Rotating Disc, (Manuscript).
Leemann Beat T.
Yourd Roland B.
Clouse, Jr. Clifton E.
Gaither Roger S.
Grigsby T. N.
Smith Alfred E.
The United States of America as represented by the United States
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