Resistive lens electron gun with compound linear voltage...

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

H - Electricity

01

J

355/10, 313/35.3

H01J 29/48 (2006.01) H01J 29/62 (2006.01)

Patent

CA 1143775

RCA 72,299 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 (as claimed herein) constitute together with a different set of apertured plates a second resistive lens structure between a different pair of electrodes of the gun.

357582

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