Method of making refractory metal-ceramic crucible

Details Method of making refractory metal-ceramic crucible Method of making refractory metal-ceramic crucible

1975-04-28

1977-10-18

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25D 1302, C25D 1312

Patent

active

040545008

ABSTRACT:
A crucible for containing metal to be evaporated for vacuum deposition is manufactured by winding refractory metal wire into the shape of a helical basket coil. The coil is electrophoretically coated with a primer coat of alumina and is then flame or plasma sprayed with alumina to form the crucible.

REFERENCES:
patent: 2734857 (1956-02-01), Snyder

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