Line cathode heater and support structure for a flat panel displ

Details Line cathode heater and support structure for a flat panel displ Line cathode heater and support structure for a flat panel displ

1983-09-30

1985-11-05

Smith, William F.

Electric lamp and discharge devices

With temperature modifier

For filament or heated cathode

313411, 313417, 313422, 313456, 313270, 313302, 313337, H01J 188

Patent

active

045516480

ABSTRACT:
A heater and support structure for a line cathode includes heater electrodes and an S-shaped cathode support member arranged between the heater electrodes. The heater electrodes and the S-shaped support member have a higher resistance than the cathode and thus heat flows into the cathode to compensate for heat radiation losses and the support compensates for thermal expansion to retain the cathode at a substantially constant position.

REFERENCES:
patent: 4119882 (1978-10-01), Chin
patent: 4121130 (1978-10-01), Gange
patent: 4217519 (1980-08-01), Catanese et al.
patent: 4429251 (1984-01-01), Gange

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