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Crystal Grower By Vacuum Levitation Melting - EQ-SKJ-LCZ

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MTI is designing and developing a special CZ crystal grower from vacuum levitation melting up to 2000ºC. The system includes a high-frequency induction heating supply,  high vacuum chamber, water cold copper crucible for levitation melting and precision pulling mechanism.    Levitation melting avoids the contamination of the sample from the crucible and may produce high purity crystal for metallic alloys Basic Specifications:

 Structure of Grower
  • 40KW RF Induction power source for levitation melting
  • Special designed water-cooled copper crucible for 60 g max. metal melt levitation.
  • Vacuum Chamber which can reach q10-6 torr by a turbopump system
  • Precision pulling system with a rotary rod with speed 0.1 mm/h - 24 mm/h
 RF Induction Power Source
  • Input power:  40KW Max.
  • Frequency :   80-200KHz
  • Current:         10-100A
  • Input Voltage:   200V +/-10% , Three-phase, 50/60Hz
  • Water Cooling :Pressure  ≧0.2MPa  Water flow:  ≧10L/min
Water Cold Copper Crucible
  • Crucible size:            ID 35mm,   Depth: 60mm
  • Melting Capability:      60g  Max.
  • Water flow requied:  58L/min
Pulling Mechanism
  • Pulling Speed:                       0.1-24mm/h 
  • Pulling Rod Rotation Speed:  0.03-50r/min
  • Pulling travel distance:        250 mm
  • Faster travel:                        Manual operation 
  • Optional:    Water cold pulling rod is available upon request at extra cost.
Vacuum Chamber
Vacuum Pump
  • Made of SS 304 with water cooling jacket
  • Vacuum Chamber size: Φ400x 40 D mm
  • Quartz Widow:              Φ300mm
  • Two KF-25 port for gas inlet and outlet
  • Vacuum Level:  10-6 Torr by turbopump
  • Vacuum Pump: high-speed turbopump with 700L/S
Water Cooling
  • > 110 L/Minute at 30oC  recirculating water flow is required 
  • The water chiller is not included.  please click picture left to order 
  • CE certified
  • NRTL or CSA certification is available upon request at the extra cost
  • Assembling and quality controlled in the USA
  • One Year limited warranty and lifetime technical support 
Demo Video

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