Electron multiplier tube with axial magnetic field

Details Electron multiplier tube with axial magnetic field Electron multiplier tube with axial magnetic field

1979-12-18

1982-07-13

Demeo, Palmer C.

Electric lamp and discharge devices

Photosensitive

Plural secondary emissive electrodes

313162, H01J 4318, H01J 4314

Patent

active

043396844

ABSTRACT:
Electron multiplier tube, comprising along the principal axis an electron-emitting surface, several dynode stages with distributed structure, capable of reflux secondary electron emission, and an electron-receiving surface, as well as means producing an electron-accelerating electric field generally oriented along the principal axis, from the electron-emitting surface to the electron-receiving surface. With it is associated coil means producing a magnetic field generally oriented along the principal axis of the tube.
Particular example is a photomultiplier with high spatial resolution.

REFERENCES:
patent: 2115155 (1938-04-01), Banks
patent: 2160798 (1939-05-01), Teal
patent: 2196278 (1940-04-01), Teal
patent: 2249016 (1941-07-01), Lubszynski
patent: 2254617 (1941-09-01), McGee
patent: 2305179 (1942-12-01), Lubszynski et al.
patent: 3027478 (1962-03-01), Cassman et al.
patent: 3119037 (1964-01-01), Stanley
patent: 3191086 (1965-06-01), Gebel
patent: 3872337 (1975-03-01), Davis et al.

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