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1100 ºC Max. Hybrid Compact Crystal Grower For Both CZ & Bridgman w/ Atmosphere Control - OTF-1200X-SCB
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Please email for lead time
Item Number: OTF-1200X-SCB
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OTF-1200X-SCB is a compact crystal grower for both CZ and Bridgeman methods up to 1100°C. The precision pulling & rotation mechanism is built on a compact two-zone vertical tube furnace with 2" quartz tube and vacuum-sealed flange, which can pull a single crystal from a melt in the crucible via seed or move down to grow the crystal via a capillary.
Note: Upgrade to a vacuum-sealed quartz tube and a hermetic pulling mechanism since Jan 5, 2021, which is compatible with volatile materials and growth in a controlled atmosphere.
Reference article: Advanced Materials - 2023 - Du - Robust Thermal Neutron Detection by LiInP2Se6 Bulk Single Crystals, in which the Hybrid Compact Crystal Grower OTF-1200X-SCB was used for LiInP2Se6 Bulk Single Crystals Growth.
Specifications
| Power |
- Voltage: 110V or 208-240 VAC, single phase, 50/60Hz
- Furnace: 1.5 kW @ 110VAC; 2.3 kW @ 208-240VAC. Please specify working voltage before order.
- Vacuum Pump: 400W (EQ-FYP-PUMP-110)
- Water Chiller: 620W (KJ5000, optional)
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Vertical Tube Furnace
 
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- Double-layer steel structure with air cooling
- Split door design for easy installation of tube
- 2" dia quartz tube with vacuum-sealed rotation and pulling mechanism.
- Two-zone heating with 100mm L for each zone (200 mm in the total heating zone)
- The Max. 1100°C working temperature
- Max temperature gradient is about 10ºC/cm within 60 mm length
- Precision phase-angle fired temperature control with +/- 0.1 ºC accuracy (Eurotherm controller)
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Quartz Tube and Flanges
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- Quartz Tube size: 50mm OD x 44 mm ID x 600 mm L
- Top flange: water-cooled flange with a needle valve and a KF25 port for rotation and pulling mechanism.
- Bottom flange: flange with a needle valve and KF25 port for connection to a vacuum pump.
- Two 1/4" tube fitting for gas circulation or flow.
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Pulling Mechanism
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- Travel is driven by precision servo motor
- Pulling Speed: 0.5 - 50 mm/h
- Pulling Rod Rotation Speed: 0.1 - 23 RPM
- Travel distance: 0 - 300 mm
- Faster travel: 35 mm/min
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| Czocharalski Method |
- One 300 mm length alumina tube is put on the bottom flange to support an alumina crucible for CZ crystal pulling
- One pulling rod made of tool steel is included for mounting seed crystal up to 800°C. Another pulling rod material is available upon request.
- Seed crystal diameter: 0.5-3.2 mm
- Alumina crucible: 25 OD×20 ID×25 H mm
 Fig.1 pulling rod Fig.2 CZ Growth
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| Bridgeman Method |
- Two fixtures made of stainless steel are included for mounting quartz tubes.
- Half-end quartz tube: 20 OD×16 ID×150 H, mm
- Half-end quartz tube: 15 OD×11 ID×150 H, mm
- Note: SS fixture may be oxidized at T > 800°C
- For volatile elements, the sample shall be sealed in a quartz tube using a VTS-1 tube sealer.
- For Bridgeman growth w/o atmosphere control, please consider our OTF-1200X-S-VT-BMGH or remove the quartz tube for easy sample installation
  
Fig. 1 Bridgeman Fig.2 Quartz tubes for growth Fig.3 VTS-1 rotation tube sealer Fig.4 OTF-1200X-S-VT-BMGH |
Temperature Control and Profile
 
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- Two Eurotherm temperature controllers with two K-type thermocouples are builtin with +/- 0.1ºC accuracy.
- 28 segments programmable with PID adjustable for two heating zone independently.
- RS485 port and software (iTools) is ready for PC remote control
- Note: It is the customer's responsibility to create a suitable thermal gradient for crystal growth.
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Vacuum Pump
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Gas Purification System
(Optional)
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- 10E-2 torr via dual-stage mechanical vacuum pump (Pic. 2)
- 10E-5 torr via Turbopump (Pic. 1)
- The vacuum pump is optional. Please click here to choose a vacuum pump.
- For oxygen-sensitive material, suggest using a recirculating gas purification system ( H2O, O2 < 1 ppm) to replace the turbopump (Pic. 3)
 Pic. 1  Pic. 2  Pic. 3
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Water Chiller
(Optional)
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- A water chiller is required to prevent top flange overheating but it is not included in the standard package.
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Dimension & Weight
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- Weight: 105 kg
- Size: L×W×H: 860 mm×740 mm×2160 mm
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| Shipping Weight & Dimensions |
- 550 lbs, 47" x 40" x 95"
- 155 lbs, 47" x 27" x 28"
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| Compliance |
- NRTL certification is available upon request
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| Warranty |
- One-year limited warranty and lifetime technical support
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Demo Video
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 Demonstration Video  Installation Instruction
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| Reference |
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