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Hybrid Compact Crystal Grower For Both CZ & Bridgman up to 1100C - OTF-1200X-SCB

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Item Number: OTF-1200X-SCB
OTF-1200X-SCB is a compact crystal grower for both CZ  and Bridgman 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 single crystal from a melt in the crucible via seed or downward to grow the crystal via with a capillary.

Vertical Tube Furnace

  • Double-layer steel structure with air cooling
  • Split door design for easy installation of tube
  • 2" dia quartz tube with dimension 50mm O.D x 44mm I.D x 600mm L
  • 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 temperature control with +/- 0.1 ºC accuracy (Eurotherm controller)
  • Input voltage: 110V or 220 VAC selectable, single phase, 50/60Hz
  • Input power: 1.5KW 
           Pulling Mechanism

  • Travel is driven by precision servo motor
  • Pulling Speed: 0.8 - 50  mm/h 
  • Pulling Rod Rotation Speed: 0.03 - 23 RPM
  • Pulling travel distance: 0 - 300 mm
  • Faster travel: 40 mm/min
  • Standard mechanism: No vacuum-sealed to quartz tube for Bridgman growth with a sealed capillary (pic. 1 &2)
  • Optional mechanism: Vacuum sealed to quartz tube during pulling for CZ growth from the melt (pic. 3)
pic. 1    pic. 2   pic. 3 - for CZ growth under vacuum
Vacuum Optional
  • 10E-2 torr via dual-stage mechanical vacuum pump (bottom right picture)
  • 10E-5 torr via Turbopump (bottom left picture) 
  • The vacuum pump is optional. Please click here to choose a vacuum pump. 
  • For oxygen-sensitive material, suggest using recirculating gas purification system ( < 1 ppm) to replace turbopump (Pic. 3 - 4) 
  •  Pic. 1    Pic. 2  Pic. 3    Pic. 4
Dimension & Weight  ~ 105 kg
  • NRTL certification is available upon request
  • One year limited warranty and lifetime technical support
Demo Video          

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