Leucosapphire monocrystal growing machine (per Kyropoulous method)

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Crystal growing machines

Al2O3

Description Specifications

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).

Crystal mass, kg	up to 85
Crucible parameters, mm: outer diameter высота	400 250
Crucible material	tungsten
Heating	resistive
Heater material	tungsten
Operating pressure inside the chamber, mmHg	5*10^-5
Power consumed at crystal growing, kW, not to exceed (power control per program)	45
Cooling water flowrate, m3/h, not to exceed	3
Cooling water pressure, MPa	0.3
Air flowrate by pressure 0.3 MPa, m3/cycle	0.01
Overall dimensions, mm	320022002050
Drive system: seed rod operating stroke, mm operating speed of seed motion, mm/h seed rotation speed, rpm/min	250 0.1 - 10 0.1 - 20
Operating speed maintenance accuracy and speed rotation frequency, %	±1
Power supply parameters: voltage, V frequency, Hz	3х(380±38) +N 50±0.4