Image intensifier tube with insulator shield

Details Image intensifier tube with insulator shield Image intensifier tube with insulator shield

1978-06-02

1981-01-06

Segal, Robert

Electric lamp and discharge devices

Geiger-mueller type

313101, H01J 4004, H01J 4002

Patent

active

042439043

ABSTRACT:
An image intensifier tube comprising an evacuated envelope wherein two spaced electrodes are insulatingly secured to one another by a dielectric member having an end portion extended within closely spaced walls of a hollow conductive shielding means attached to one of the electrodes for protecting the end portion from conductive vaporous material released within the envelope during processing and from resulting voltage breakdown during operation of the tube.

REFERENCES:
patent: 2946910 (1960-07-01), Spinnler et al.
patent: 3280356 (1966-10-01), Stoudenheimer et al.
patent: 4087683 (1978-05-01), Lieb
Bolin et al., "A Review of Dielectra Media-Vacuum Insulation," Insulator/Circuits; Sep., 1970; pp. 59-65.
Finke, "A Study of Parameters Affecting the Maximum Voltage Capabilities of Shielded Negative Dielectric Junction Vacuum Insulators;" Proceedings of the Second International Symposium on Insulation of High Voltages in Vacuum; MIT; Boston; Sep., 1968; pp. 217-228.
Kofoid, "Effect of Metal-Dielectric Junction Phenomena on High Voltage Breakdown over Insulators in Vacuum;" Transactions of AIEE, USC; Part III, 79, 1960; pp. 999-1004.
Shannon et al.; "Insulation of High Voltage Across Solid Insulators in Vacuum;" Journal of Vacuum Science and Technology; vol. 2, No. 5; Sep.-Oct. issues 1965; pp. 234-239.

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