Device for maintaining constant pressure in gas discharge vessel

Details Device for maintaining constant pressure in gas discharge vessel Device for maintaining constant pressure in gas discharge vessel

1985-05-20

1987-05-05

Moore, David K.

Electric lamp and discharge devices

Having heating means to control gas/vapor, gas or vapor...

Gas generating

313 15, H01J 720, H01J 1726

Patent

active

046635645

ABSTRACT:
An apparatus for maintaining constant pressure in gas discharge vessels, particularly for flat plasma picture screens with electron post-acceleration. The gas pressure is kept constant in the gas discharge vessel. For this purpose, a glass container preferably filled with helium is applied in the gas discharge vessel, this glass container being provided with a heater for temperature control and thus provides variable gas permeability. An apparatus of the invention is particularly employed for flat plasma picture screens.

REFERENCES:
patent: 1971939 (1934-08-01), Pirani
patent: 3956667 (1983-06-01), Veith
patent: 4520290 (1985-05-01), Cokefair

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