Energy-stable accelerator with needle-like source and focused pa

Details Energy-stable accelerator with needle-like source and focused pa Energy-stable accelerator with needle-like source and focused pa

1982-05-19

1985-11-26

Chatmon, Saxfield

Electronic digital logic circuitry

Multifunctional or programmable

Array

328228, 313159, 313161, H01J 2300, H01J 2334

Patent

active

045556660

ABSTRACT:
A high voltage particle accelerator and an energy analyzer fed back to the accelerator, in which the beam of extremely small diameter from a particle source of the field-emission or field-ionization type and the energy analyzer function to produce precisely defined high voltages; use of such an accelerator and focusing lenses to produce a microbeam with reduced chromatic aberration; and production of a microbeam by use of such an accelerator and focusing lenses of the achromatic quadrupole type, further compensated for aperture aberration.

REFERENCES:
patent: 3376449 (1968-04-01), Harrison
patent: 3476972 (1969-11-01), Katagiri et al.
patent: 3638127 (1972-01-01), Kerns
patent: 3691377 (1972-09-01), Matsui et al.
patent: 3723791 (1973-03-01), Stocklein
patent: 3749963 (1973-07-01), Frederickson et al.
patent: 3881125 (1975-04-01), Baker et al.
patent: 3906280 (1975-09-01), Andelfinger et al.
patent: 4020387 (1977-04-01), Coates et al.
patent: 4350927 (1982-09-01), Maschke

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