Resistive lens electron gun with compound linear voltage profile

Details Resistive lens electron gun with compound linear voltage profile Resistive lens electron gun with compound linear voltage profile

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

042439116

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. A first portion of the resistive stack is electrically paralleled with another stack of resistive blocks whereby bleeder current through the resistive lens structure results in a compound linear potential profile. The other stack of resistive blocks may comprise a second stack in the same lens structure interleaved with the apertured plates of the lens structure or it may constitute together with a different set of aperture plates a second resistive lens structure between a different pair of electrodes of the gun.

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), Dresner et al.
patent: 4124810 (1978-11-01), Bortfeld et al.
patent: 4143298 (1979-03-01), Bing et al.

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