Means for the focusing and acceleration of parallel beams of cha

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure

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250396R, 315 542, 315 535, 330 47, 328233, H01J 2510

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active

043509274

ABSTRACT:
Apparatus for focusing beams of charged particles comprising planar arrays of electrostatic quadrupoles. The array may be assembled from a single component which comprises a support plate containing uniform rows of poles. Each pole is separated by a hole through the plate designed to pass a beam. Two such plates may be positioned with their poles intermeshed to form a plurality of quadrupoles.

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patent: 3376449 (1968-04-01), Harrison
patent: 3482136 (1969-12-01), Herrera
patent: 3932749 (1976-01-01), Taylor
patent: 4211954 (1980-07-01), Swenson

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