FIELD: facilities displaying information by means of autoelectronic vacuum-tube panels. SUBSTANCE: gate electrodes of panel edge autocathode are arranged on either side of it and bent down in direction of its edge. EFFECT: improved gain of electric field across cathode edge at high reliability of device. 2 cl, 2 dwg
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VACUUM MICROTRIODE | 1993 |
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Authors
Dates
1997-11-10—Published
1993-05-14—Filed