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Czochralski Crystal Growth System up to 2100°C - SKJ-50CZ
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Item Number: SKJ50CZ
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SKJ-50CZ is a CZ crystal growth system up to 2100°C and 2" crystals. The high-precision upper weighing device facilitates better control of crystal growth process including seed dipping, shoulder expansion, and steady growth. The upper pulling mechanism ensures a minimum pulling speed of 0.03mm/h and a rotation speed of 1 rpm. The stainless steel water-cooled chamber, paired with a vacuum pump, can achieve a maximum vacuum of 3.75e-5 torr. It is designed to grow various oxides, metals, and other materials, such as sapphire, GGG, YAG, LaAlO3, Si, Ge, Cu, and more.
Customization for special technical requirements is available.
SPECIFICATIONS:
| Feature |
- Induction heating up to 2100°C
- Upper weighing system for better growth control
- Water-cooled stainless steel vacuum chamber
- Pyrometer temperature measurements
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| Power |
- 480 (or 400) VAC, 3 phase, 50/60 Hz, 40 kW
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| Induction Heating |
- Power 35 kW
- Frequency 1-20 kHz
- Duty cycle 100%
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| Vacuum Chamber |
- 304 SS water-cooled vacuum chamber
- Chamber size Ø500×700 mm
- Observation window 80×300 mm
- -0.1-0.5MPa mechanical diaphragm pressure gauge
- 1/4" gas inlet and outlet
- Pressure relief valve, < 3 psig
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| Ultimate Vacuum |
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| Temperature Measurement |
- Pyrometer for temperature measurement of the melt.
- Eurotherm 3000 series temperature controller
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| Pulling Mechanism |
- Travel distance 200 mm
- Pulling speed 0.03 - 30 mm/hr
- Rotation speed 1 - 60 rpm
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| Weighing System |
- Upper weighing system with Eurotherm PID control module for consistent and reproducible crystal growth
- Capacity 5000 g
- Accuracy 0.1 g
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| Control System |
- Integrated LabVIEW software for control, monitoring, and data logging.
- Programmable pulling / rotation speed
- Pressure monitoring and alarm
- Induction power control
- Weighting system with PID parameters
- Data logging
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| Crucible System (Optional) |
- Maximum crucible size Ø100×80 mm
- Maximum crystal size, Ø2"×100 mm
- Please contact MTI for lager crystal growth, up to 4"
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| Cold Crucible Growth System (Optional) |
- The system is also compatible with cold crucible crystal growth for up to 2"
- Additional cold crucible sample holder
- Additional high-frequency induction power supply
- Additional water chiller for cold crucible cooling only
- Please contact MTI for details.
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| Vacuum Pump (Optional) |
- Mechanical pump YTP550
- Turbo Pump
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| Water Cooling (Optional) |
- Water cooling is optional but required.
- MTI recommend getting KJ6500 water chiller
- Cooling capacity 50000 Btu/hr or 14.5 kW
- Water flow 100 L/min
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Product Dimensions
(W×D×H, unit mm) |
- Crystal Grower 1250 × 1150 ×2700
- Control Tower 565 × 800 × 1740
- Induction Control Box 700 × 400 × 835
- Induction Power Supply 650 × 820 × 835
- Weight 1200 kg
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| Warranty |
- One-year limited warranty
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| Compliance |
- CE certified
- NRTL certification is available upon request at the extra cost
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Demo Video
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