Photomultiplier with plural photocathodes

Details Photomultiplier with plural photocathodes Photomultiplier with plural photocathodes

1988-04-18

1989-11-14

Yusko, Donald J.

Electric lamp and discharge devices

Photosensitive

Photomultiplier

313533, 313539, 313540, H01J 4310

Patent

active

048810088

ABSTRACT:
A photomultiplier with plural photocathodes comprising a rectangular end face plate, plural photocathodes arranged on the end face plates at predetermined intervals in the longitudinal direction of the end face plate, plural focusing electrodes assigned to the photocathodes respectively, plural dynodes provided in common for all of the photocathodes, and plural anode electrodes assigned to the photocathodes respectively, each of the dynodes having plural electron emitting parts for emitting secondary electrons and insulating parts for preventing the secondary electrons emitted from any one of the electron emitting parts from straying into the other electron emitting parts.

REFERENCES:
patent: 3668388 (1972-06-01), Fischer et al.
patent: 4117366 (1978-09-01), Davis

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