Simplified resistive lens electron gun with compound linear volt

Details Simplified resistive lens electron gun with compound linear volt Simplified resistive lens electron gun with compound linear volt

1979-08-28

1981-01-06

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

313414, 315 16, H01J 2996, H01J 2962

Patent

active

042439124

ABSTRACT:
The electron gun includes a pair of electrodes between which a resistive lens structure comprising a stack of alternate apertured plates and resistive blocks is disposed. The stack comprises a first section which has two resistive blocks between each adjacent pair of electrode plates and a second section which has one resistive block between each adjacent pair of electrode plates. The lens is thereby adapted to operate with a potential profile which comprises a compound linear slope in a 1:2 ratio.

REFERENCES:
patent: 3932786 (1976-01-01), Campbell
patent: 3995194 (1976-11-01), Blacker et al.
patent: 4010312 (1977-03-01), Pinch et al.
patent: 4091144 (1978-05-01), Drenser et al.
patent: 4124810 (1978-11-01), Bortfeld et al.

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