Resistive lens structure for electron gun

Details Resistive lens structure for electron gun Resistive lens structure for electron gun

1978-11-29

1983-01-25

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

313460, 313414, H01J 2956, H01J 2948, H01J 2982

Patent

active

043705944

ABSTRACT:
An electron gun includes two electrodes between which a resistive lens structure is mounted. The lens structure comprises a stack of alternate apertured electrode plates and insulator spacer blocks. A high resistance coating of, e.g., cermet or glaze material, is disposed along one side of the stack so that it contacts a side of each spacer block and an edge of each apertured electrode plate.

REFERENCES:
patent: 2143390 (1939-01-01), Schroter
patent: 2291462 (1942-07-01), Gardner
patent: 2313018 (1943-03-01), Krause
patent: 2714679 (1955-08-01), De Graaff et al.
patent: 3458745 (1969-07-01), Shoulders
patent: 3932786 (1976-01-01), Campbell
patent: 4010312 (1977-03-01), Pinch et al.
patent: 4091144 (1978-05-01), Dresner et al.

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