Equipment for growing single crystals of leuco-sapphire by Kyropoulos method
Equipment for growing single crystals of leuco-sapphire by Kyropoulos method
- Microelectronics
- Optoelectronics
- LEDs, medicine
- R-axis, A-axis configuration
- 2,4,5,6,8-inch cylinders
- Optimized cylinder cutting program
- High crystal growth rate – 83 kg boule - in 15 days
We have achieved 55% of using of 83 kg of boule for cutting suitable blanks of 2 ”and 6” inch cylinders.
Total length for 2 ”blanks 5345 mm.
The annual total gross output of 2 ”cylinders (TIE) can reach 100,000 mm).
Parameter name |
Value |
Crystal weight, kg |
до 85 |
Crucible dimensions, mm: |
400 250 |
Crucible material | tungsten |
Heating method |
resistive |
Heater material | tungsten |
Pressure in the chamber, mm Hg | 5х10-5 |
Power consumed during crystal growth, kW, no more (power control in accordance with the program) | 45 |
Cooling water consumption, m3 / h, no more |
3 |
Pressure of cooling water, MPa |
0,3 |
Air flow rate of 0.3 MPa, m3 / cycle |
0,01 |
Dimensions, mm | 3200х2200х2050 |
Drive system: |
|
-seed working stroke, mm |
250 |
-speed of crystal seed movement, mm/h | 0,1 - 10 |
-crystal seed spinning frequency, rpm |
0,1 - 20 |
-movement speed and spinning frequency error of the crystal seed, % | ±1 |
Power options: voltage, V frequency Hz |
3х(380±38) +N 50±0,4 |
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