Gateable electron image intensifier

Details Gateable electron image intensifier Gateable electron image intensifier

1974-10-29

1976-11-02

Segal, Robert

Electric lamp and discharge devices

Geiger-mueller type

313102, H01J 3904, H01J 3902

Patent

active

039899713

ABSTRACT:
An electron image intensifier includes an input image means having a curved photocathode surface for converting the optical image to an electron image. The electron image is imaged upon an output image means spaced from the input image means, with an annular accelerating anode positioned between for accelerating the electrons to produce the image intensification. An annular gateable electrode is disposed between the input image means and the accelerating anode. The gateable electrode is structured and positioned with an inwardly disposed end portion closely spaced from the perimeter edge of the photocathode surface, and extending along the radius of curvature of the photocathode surface. The structure substantially eliminates any distortion from the gating electrode.

REFERENCES:
patent: 2994798 (1961-08-01), Krieger et al.
patent: 3082342 (1963-03-01), Pietri
patent: 3280356 (1966-10-01), Stoudenheimer et al.
patent: 3475076 (1969-10-01), Nelson
patent: 3801849 (1974-04-01), Edgecumbe

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