Directional getter attached to multi-apertured member

Details Directional getter attached to multi-apertured member Directional getter attached to multi-apertured member

1975-10-15

1976-09-07

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Envelope

313450, 313178, 313407, H01J 2907, H01J 2984, H01J 3100

Patent

active

039796337

ABSTRACT:
An improvement for inhibiting arcing within a cathode ray tube comprises a combination including a low resistive electrical coating disposed interiorly on the forward portion of the funnel, joined with a high resistive coating disposed interiorly on the rearward portion thereof. Associated therewith are getter means having discretely shaped diffusion direction means to prevent the formation of a conductive path across the high resistive coating. The improved arc suppression combination beneficially improves the dielectric breakdown protection for both the tube and the associated circuitry.

REFERENCES:
patent: 2829292 (1958-04-01), Krause
patent: 3264510 (1966-08-01), Griffiths
patent: 3334258 (1967-08-01), Kaplan et al.
patent: 3355617 (1967-11-01), Schwartz et al.
patent: 3390758 (1968-07-01), Reash et al.
patent: 3792300 (1974-02-01), Benda et al.
patent: 3816788 (1974-06-01), Reach

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