Single crystal emitter with heater wire embedded therein

Details Single crystal emitter with heater wire embedded therein Single crystal emitter with heater wire embedded therein

1987-09-28

1989-06-27

Wieder, Kenneth

Electric lamp and discharge devices

Electrode and shield structures

Cathodes containing and/or coated with electron emissive...

313336, 445 51, H01J 122, H01J 904

Patent

active

048432776

ABSTRACT:
Improved anchoring of heating elements of a resistance heater to thermally stressed single crystals is achieved by embedding the individual heating element in a recess in the single crystal and permanently joining this to the heating element by a porous sintered composition. The sintered composition is formed by the heat treatment of a suspension that in addition to other components, contains material with the same chemical composition in powdered form as that of the single crystal.

REFERENCES:
patent: 4178530 (1979-12-01), Lermacher et al.
patent: 4258283 (1981-03-01), Brunger et al.
patent: 4482839 (1984-11-01), Wada et al.
patent: 4675573 (1987-06-01), Miram et al.

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