Method for producing multi-figure luminescent display tubes

Details Method for producing multi-figure luminescent display tubes Method for producing multi-figure luminescent display tubes

1975-12-22

1977-07-19

Lazarus, Richard B.

Metal working

Barrier layer or semiconductor device making

Barrier layer device making

29 2517, 427 55, 427372R, 427379, H01J 902

Patent

active

040358852

ABSTRACT:
A method for producing multi-figure luminescent display tubes comprising a step of baking a frit glass for fixing parts such as grid electrodes and filament supports onto a substrate which is provided with segment electrodes having phosphor layers applied thereon. The baking process is carried out in a non-oxidizing environment and an infrared heater is used prior to baking to eliminate the frit binder.

REFERENCES:
patent: 2273445 (1942-02-01), Mc Gowan et al.
patent: 3037834 (1962-06-01), Lederer
patent: 3536462 (1970-10-01), Eyster et al.
patent: 3576066 (1971-04-01), Steward

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