EQUIPMENT FOR EVAPORATION OF MATERIALS IN VACUUM Russian patent published in 1994 - IPC

FIELD: metal processing. SUBSTANCE: equipment has a crucible with a heater, placed on the crucible outer surface, a bottom projection, divided into two equal parts by a ring, made of heat-insulating, heat-resistant material. The ring hermetically connects the upper and lower parts of the projection. A dumping canal and outer surface of the projection have conical form. Additional heater and a cooling system are situated on outer surface of the lower part of the projection. EFFECT: equipment has facilitated reliability and simplified structure. 1 dwg