Electron multiplier input electron optics

Details Electron multiplier input electron optics Electron multiplier input electron optics

1976-05-03

1980-04-22

Segal, Robert

Electric lamp and discharge devices

Photosensitive

Plural secondary emissive electrodes

313400, H01J 4310, H01J 4318

Patent

active

041997026

ABSTRACT:
An ion feedback electron multiplier has an envelope containing an ionizable gas. Within the envelope is a chain of multiplier dynodes divided into two planar groups spaced from and parallel to one another. At one end of the multiplier chain is an electron source capable of emitting electrons upon ion bombardment. An electron lens which is between the multiplier chain and the electron source, focuses the electrons from the source onto one of the dynodes of the multiplier.

REFERENCES:
patent: 2175697 (1939-10-01), Nelson
patent: 2218744 (1940-10-01), Colberg
patent: 2227018 (1940-12-01), Schlesinger
patent: 3735184 (1973-05-01), Maeda
patent: 4029984 (1977-06-01), Endriz

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