| Technological parameters |
|
| Crystal weight |
Up to 85 kg |
| Crucible external sizes |
Ø250mmX410mm(H) for 38kg Ø320mmX450mm(H) for 65kg Ø320mmX500mm(H) for 85kg |
| Crucible material |
Tungsten |
| Method of heating |
Resistive |
| Heater material |
Tungsten |
| Working pressure in the chamber, not more |
5 X 10-5 torr |
| Working chamber sizes |
Ø800mm X 1000mm (H) |
| Power consumption at the growing of the crystal by the weight
of 38 kg, not more |
45 kW (For 38 kg and 65kg) |
| Power maintenance accuracy |
± 0.1% |
| Working travel of the rod |
250 mm |
| Rate of the rod travel (stepless adjustment) |
0.1 – 10.0 mm/hr |
| Working rate maintenance accuracy |
± 1% |
| Seed rotation (stepless adjustment) |
1.0 – 15.0 rpm |
| Rod rotation maintenance accuracy |
± 1% |
| Cooling |
|
| Cooling water consumption, not more |
3.0 m3/hr |
| Inlet pressure of the cooling water, not less |
2.0kg/cm² |
| Working pressure (argon or nitrogen) |
|
| Process consumption, not more |
0.5 m³ |
| Recommended working gas pressure at the gas system inlet |
1.0 kg/cm² |
| Pneumatic system |
|
| Air pressure (nitrogen, argon) at the inlet, not less |
4.0 kg/cm² |
| Process air consumption (nitrogen, argon) , not more |
0.01 m³ |
| Electrical requirements |
|
| Power supply |
2X(380 ±3 8)V+N |
| Mains frequency |
50 ± 0.4 Hz |
| Rated power of the heater |
45 kW |
| Max power of the heater |
70 kW |
| Heater supply voltage |
0 - 12 V |
| Control cabinet power supply |
3X(380 ± 38)V+N |
| Mains frequency |
50 ± 0.4 Hz |
| Control cabinet power consumption, not more |
5 kW |
| Overall dimensions of the equipment |
|
| Max height |
3,200 mm |
| Length |
2,200 mm |
| Width |
2,050 mm |
| Weight (electrical equipment excluded), not more than |
1,100 kg |