Vaporizing crucible for vacuum vapor coating systems

Details Vaporizing crucible for vacuum vapor coating systems Vaporizing crucible for vacuum vapor coating systems

1975-10-06

1976-10-05

Kaplan, Morris

Metallurgical apparatus

Means for holding or supporting work

Receptacle

118 48, 219121EB, C23C 1312

Patent

active

039840883

ABSTRACT:
A vaporizing crucible for vapor depositing systems, especially for electron beam heating, includes a plurality of side-by-side segments held in contact with one another by an adjustable compression device. The individual segments have between them layers of a resilient, electrically conductive material which forms a joint between adjacent segments. The segments are surrounded by a frame in which the adjustable compression device is positioned for the transfer of current and compressing the segments. A layer of resilient conductive material can also be positioned between the compression device and the lateral surfaces of the segments, extending perpendicular to the joints. The frame can also include a hollow base on which the segments rest. A layer of resilient, electrically conductive material can be positioned between the segments and the hollow base.

REFERENCES:
patent: 3227431 (1966-01-01), Steeves
patent: 3514575 (1970-05-01), Hall et al.
patent: 3598384 (1971-08-01), Zucchinelli
patent: 3863907 (1975-02-01), Pierson et al.

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