DEVICE FOR GROWING MONOCRYSTALS Russian patent published in 1998 - IPC

FIELD: growing crystals. SUBSTANCE: device contains growth chamber with top cover, heating unit, hinged seed crystal holder, and flexible member connected with its upper end with winding drum. The latter is disposed in a housing set up on the chamber cover. Housing and drum are connected through rotation drive. Flexible member has extension connected with seed crystal holder hinge. Inside the chamber, a cone-shaped barrel is attached to top cover. Barrel encloses conical centering bushing through which flexible member passes. EFFECT: excluded runout of flexible member and vibration of crystal upon rotation, provided coaxiality of seed crystal holder and crucible and perpendicularity of feed crystal axis to crystal surface. 2 dwg