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1650°C Bridgman Furnace for Directional Solidification and Crystal Growth - EQ-SKJ-BG1650-LD


Please email to info@mtixtl.com for lead time
Item Number: SKJ1650BG

SKJ-BG1650 is a 1650°C max. Bridgman furnace for directional solidification and single crystal growth with a boule size up to Ø37mm.
The vertical furnace has three independently controlled heating zones with a total heating length of 300 mm to set up different temperature gradients for crystal growth.
In contrast to other Bridgeman systems, SKJ-BG1650 keeps the melt stationary while moving the furnace up to control the temperature gradient, ensuring the stability of the growth interface. 

The sample rotational stage can be added at an additional cost for single crystal growth. 


Specifications:

Advanced Features

      
  • Three (3) independently controlled heating zones for temperature gradient tuning. 
  • φ42mm Alumina sample pulling stage with TC attachment for accurate temperature monitoring of the crucible on top and generate instant temperature plot;
  • Electric elevated crucible stage enables an automatic and convenient sample loading / retrieving;
Power Requirements
  • 220VAC single phase 50/60Hz
  • 9.5KW
Working Temperature 
  • Heating Element: Silicon molybdenum rod
  • Max. Working Temperature: 1700°C ( <1hr)
  • Continuous Operating Temperature: 1600°C
 Processing Tube & Flange
  • High purity alumina furnace tube, Size: φ80mm O.D. x 74 mm ID x 1000mm L
  • A pair of stainless steel flange is connected to both end of the processing tube which allows for inert gas purging or vacuum during the crystal growing process
  •   
Sample Stage
  • φ42X40mm H Alumina Sample Stage
  • B type thermocouple insert from the bottom of the sample stage for accurate temperature measurement of the crucible
Crucible Retrieving Mechanism
  • Automatic sample retrieving system for easy crucible loading/unloading, 
  • 700mm max. travel distance
 Heating Zones
  • Three heating zones with independent temperature measurement and control
    • Three zones: 300mm (12") long in total, please click bottom left picture for more size info;
    • 100mm long for each zone, please click bottom right picture for more size info;
         
Temperature Control
     
  • Three EPC 3004 Eurotherm temperature controller with 28 programmable segments for precise control of heating, cooling, and dwelling rate. 
  • Built-in overheating & broken thermocouple protection.
  • European Temperature controller, with +/- 0.1 ºC temperature accuracy.
  • Three B type thermocouples (one for each zone).
Cooling Fans One speed adjustable cooling fans are installed at the bottom exit of the furnace
 Furnace Travel Distance & Speed
  • As the furnace heater moves upward, the crucible is moving toward the bottom exit of the furnace where the lower temperature is seen. 
  • The maximum travel distance of the furnace heater is 200 mm. 
  • Travel speed: 0.03-3 mm/hr
       
 Vacuum Pump (Not included)
  • 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
 Compliance &
Warranty
  • CE certified
  • NRTL or CSA certification is available upon request at the extra cost.
  • One year limited warranty
Dimension
   
Controller stage: 860mm L x 600mm W x 1220mm H
Furnace stage: 1170mm L X 910mm W X 2500mm H
Shipping Weight & Dimensions
  • 1) 3225 lbs, 83x48x86"
  • 2) 751 lbs, 49x41x58"
Installation Video         
Optional & Related Products
  • For single crystal growth, the rotation of the crucible stage is needed, an additional cost will apply. Please contact our engineering team for more information.
  • A board selection of crucible materials: Boron Nitride; Alumina; Zirconia; Graphite....
        Alumina      Boron Nitride  Graphite CrucibleGraphite   Zirconia           
  • Grown crystal boules:   Al, Ag, Au, Cu, Mg, Ni 
        

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1. Prices listed online are valid for the US market and who pay by credit card only. There will be extra charges for shipping & handling. Prices vary from country to country.
2. We may add extra charges for paper orders and NET 30 terms due to extra labor costs.
3. The prices listed are subject to change without notice.