Evaporation vessel for use in vacuum evaporation

Details Evaporation vessel for use in vacuum evaporation Evaporation vessel for use in vacuum evaporation

1976-10-27

1978-09-05

Albritton, C. L.

Electric heating

Heating devices

Resistive element: igniter type

219541, C23C 1312

Patent

active

041122909

ABSTRACT:
An evaporation vessel for vacuum evaporation of electroconductive ceramic boat for use in the vacuum evaporation of a metallic or non-metallic substance by virtue of resistance heating, wherein the surface of the adjoining portion on the both sides of a cavity is lower than the top of the outside wall of the cavity.

REFERENCES:
patent: 2996418 (1961-08-01), Bleil
patent: 3281517 (1966-10-01), Hemmer et al.
patent: 3387116 (1968-06-01), Dupuis
patent: 3466424 (1969-09-01), Adams
patent: 3514575 (1970-05-01), Hall et al.
patent: 3537886 (1970-11-01), Rively et al.
patent: 3598384 (1971-08-01), Zucchinelli
patent: 3636305 (1972-01-01), Passmore

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