Method for manufacturing a multi-digit fluorescent indicating ap

Details Method for manufacturing a multi-digit fluorescent indicating ap Method for manufacturing a multi-digit fluorescent indicating ap

1974-09-26

1976-10-19

Lazarus, Richard B.

29 2516, H01J 918

Patent

active

039867609

ABSTRACT:
A multi-digit fluorescent indicating apparatus and a manufacturing method therefor are disclosed. The indicating apparatus includes an enclosure, formed by sealing a base plate and an upper surface window plate together, and containing one or more segmented electrodes of fluorescent material coated on the base plate. In the manufacturing method, various lead-in wires for grids and cathodes as well as spacers for grids are formed from a single metal plate, facilitating easy connection to external circuits and improving compactness lightness and reliability as well as reducing manufacturing costs.

REFERENCES:
patent: 3567989 (1971-03-01), Koshizuka et al.
patent: 3675065 (1972-07-01), Warne
patent: 3747175 (1973-07-01), Uemura et al.
patent: 3787940 (1974-01-01), Kupsky
patent: 3800178 (1974-03-01), Farina
patent: 3836806 (1974-09-01), Kobayakawa
patent: 3849694 (1974-11-01), Harvey
patent: 3862476 (1975-01-01), Kuchinsky et al.
patent: 3902003 (1975-08-01), Wheeler et al.

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