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1500ºC Bridgman Furnace for Directional Solidification of Polycrystalline Ingots - EQ-SKJ-BG1500-LD


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Item Number: EQ-SKJ-BG1500-LD

EQ-SKJ-BG1500 is a 1500°C max. Bridgman furnace for directional solidification of Polycrystalline Ingots upto 1'' diamerter. Three individual controlled heating modules & speed adjustable cooling fans at furance exit provide advantages to create larger temp. gradient at the melt/crystal interface as needed. Automatic crucible retrieving system enables the most convenient way for sample loading/unloading. Optional crucible rotation stage can be added at additional cost for single crystal ingot growth. 

Basic Specifications:

Advanced Features


  • Three stacked heating modules with independent temperature measurement and control enable the flexibility of creating various temperature gradients along the length of the heated area;
  • Two speed adjustable cooling fans with TC at the exit of the furnace allow the better control over the temperature gradient at the melt/crystal interface; 
  • φ25mm 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 enable an automatic and convenient sample loading / retrieving;
  • The use of 2'' O.D mullite tube provides better thermoshock resistance upto 1500C when larger thermogradient is desired
Power Requirements
  • 220VAC Three phase 50/60Hz
  • 14KW
Max,  Working Temperature  1500°C -  SiC heating elements
 Processing Tube & Flange
  • USA Quality Mullite (60% Al2O3 +38% SiO2) Tube, Size: 50.4 mm OD  x 44.5 mm ID x 1200 mm L
  • A pair of 2'' 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
  • φ25X20mm H Alumina Sample Stage
  • B type thermocouple insert from the bottom of the sample stage for accurate temperature measurement of the crucible
Crucible Retriving 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 PID temp. controller with 30 programmable segments for precise control of heating, cooling rate and dwell time.
  • Built-in overheating & broken thermocouple protection.
  • +/- 2 ºC temperature accuracy.
  • Three B type thermocouples (one for each zone).
  • Temperature gradient along the length of heated area < 7.5ºC/mm
  • Heating & Cooling rate: <10ºC/mm
Cooling Fans One speed adjutable 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 360 mm. 
  • Travel speed: 0.15-15 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. 
  •  
Dimension 1080mm L X 880mm W X2980mm H
Shipping Weight 2500Lbs
Installation Video     
    
Optional & Related Products
  • For single crystal growth, the rotation of crucible stage is needed, additional cost will apply. Please contact our engineering team for more information.
  • A board selections of crucible materials: Boron Nitride; Alumina; Zirconia; Graphite....
         Graphite Crucible 
                 Alumina                Boron Nitride    Graphite             Zirconia

  • Al, Ag, Au, Cu, Mg, Ni 
        

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Notices
1. Prices listed online are valid for US market and whom pay by credit card only. There will be extra charges for shipping & handling. Price various from country to country.
2. We may add extra charges for paper order and net30 terms due to extra labor cost.
3. The prices listed are subject to change without notice.