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Liquid Phase Epitaxial Crystal Growth Furnace up to 1700C - VBF-1700-LPE

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VBF-1700-LPE is the furnace for liquid phase epitaxial crystal growth designed for growing YIG single crystal. Specifications


  • Two zones heating chamber:  bottom heating and side around heating  to create thermal gradient easily
  • MoSi2 heating elements with max. temperature 1700ºC
  • Precision temperature control with +/- 0.1ºC accuracy
  • Precision rotary pulling mechanism from 0.03 mm/hr to 30 mm/hr.
  • High-quality fibrous alumina thermal insulation to ensure the best energy saving
  • Touch screen PC controls for all parameters and record all data.


  • 208 - 240VAC, Single Phase, 50/60Hz
  • 13 KW Max.
  • 3-meter length power cable included, but no plug which is available upon request

Heating Chamber

  • Chamber size: Dia 300 mm   x H  210 mm
  • Heating Element: 1800C grade MoSi2 (8 pcs U type rods round sides and 3 straight rods on the bottom)
  • The side heating and bottom heating are controlled independently to create a suitable temperature gradient
  • Two B-type thermal couples are installed. one for temperature control and one for temperature monitor.
  • A removable top cover with a 20 mm hole is included for easy operation
  • One 16 mm ID alumina tube is inserted into the heating chamber for observation during crystal growth

 Working Temperature

Max. Working Temperature: 1700ºC   (< 1 hr)
Standard Working Temperature: 1600ºC (continuous)

Temperature Control

  • One Eurotherm 3000 Controller for controlling furnace temperature with +/- 0.1oC accuracy
  • One digital temperature for monitoring furnace temperature and  over-temperature protection
  • Heating Rate 0 ~ 10ºC / min suggested

Pulling Mechanism

  • Pulling Rod: 16 mm Alumina rod is included (customized rod is available upon request)
  • Pulling Rate: 0.03 -30 mm/hr variable
  • Max Travel Distance: 320 mm
  • Quick up & down: Manually operated 
  • Rotation Speed: 0.03-80 RPM   
  • Note: Crucible is not included and the customer shall prepare their own crucible

Control Unit

  • 14" touch screen PC for controlling all processing parameters: temperature, pulling speed, and rotation
  • The PC can be operated via WIFI at a remote location via a wireless router
  • Please see the demo video below to see how to operate


     ( Over-all ) (Furnace)          ( Heating  chamber )


Weight: 450 Kg


One-year limited warranty (Consumable parts such as processing tubes, o-rings, and heating elements are not covered by the warranty, please order the replacement in the related products below.)


  • CE Certified
  • The furnace is ready to pass NRTL(UL61010)  or CSA certification at extra cost.

Operation Video


Application Note

  • Please click the picture below to see that one of the customers uses the furnace and a special Pt crucible to grow YIG single crustal successfully

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