CATHODE-HEATING UNIT FOR ELECTRONIC DEVICE Russian patent published in 1995 - IPC

Abstract SU 1473593 A1

FIELD: radio engineering. SUBSTANCE: device has cathode 1 which is shaped as pellet, holder 2, spiral heater 3, insulation 4, additional spiral heater 6 which is mounted above heater 3, additional spiral heater 6 decreases heat transmission from heater 3 to insulation 4, excludes contacts between heater 3 and insulation 4. The latter excludes fusion of insulation in points of contact. EFFECT: increased reliability and durability. 1 dwg

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SU 1 473 593 A1

Authors

Vinogradov D.P.

Monastyrev V.P.

Dates

1995-05-27—Published

1987-06-05—Filed