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Compact Bridgman Crystal Growth Furnace with Hanging Wire Mechanism Up to 1100°C - OTF-1200X-S-VT-BMGH

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Item Number: OTF-1200X-S-VT-BMGH
Transported by LTL Freight (Truck)


Upgrade to Eurotherm Temperature Controllers (Dual zone) + 15" Laptop + Accessories Kit

 is a compact and economic 1200ºC Max. Bridgman crystal growth furnace with 2" quartz tube and precision hanged wire travel mechanism, which is designed for growing small size crystal under controlled atmosphere or sealed quartz crucible at low cost. ( Updated frame from Aug.2017)


Vertical Two Zone Tube Furnace

  • Compact two zones split vertical tube furnace.
  • Working Voltage: 110V AC or 220V selectable
  • Max. Power Consumption: 1.5 KW
  • Two Heating Zone:  100 mm L for each Zone  , 200 mm L in total 
  • Max. heating temperature: 1200°C
  • Continuous working temperature: 1100°C
  • Two programmable digital temperature controllers which control two heating zone independently.
  • Max. Temperature gradient:   1ºC/Cm
    • Finding suitable thermal gradient is user responsibility
    • Adjusting two heating zone's temperature can create different thermal gradient profile
    • Adjusting furnace opening diameter also can change thermal gradient
  • Quartz tube (2" quartz tube (50mm O.D x 44mm I.D x 450mm L)  is included with sealed flange
  • Click Pic left to see detail specs of the dual zone furnace

Hanging wire

  • Three sets of Ni-SShanging wire are included (pic to the left). Max. working temperature is 800C.
  • Optional hanging wire for higher working temperature is available upon request:
    • Ni-Cr-Al wire ( not included )   Max. working temperature < 1100°C
    • Platinium wire ( not included )  Max.working temperature 》 1200°C ,《 1600°C
  • Thin hanging wire goes through the top flange.  Positive inert gas can keep processing tube under controlled atmosphere.
  • For air sensitive material,  sample shall be sealed in a small quartz tube with pre-vacuumed as Pic below right
  • 800C pulling wire (Ni-SS)        sealed quartz tube as crucible 
    Motor and Controller

    • 6"L x 4"W Touch Screen Unit is built in controlling DC motor rotating and wire traveling speed
    • Wire descending speed  is programmable within 3 segments.
    • Descending speed range :  1-500 um/sec adjustable  with accuracy of +/- 0.05% 
    • Lower speed range is available upon request at extra cost
    • Total stoke length: 450mm
    • High-quality DC motor is installed for rotating hanging wire for at extra cost and pulling up
    • Power:  50W,  110V - 240V C
    Product Dimensions 520mm(L) x 430mm(W) x 1100 mm(H)
    • CE Certified
    • NRTL certification is available upon request at extra cost
    • One Year limited warranty with lifetime support
    • Consumable parts such as processing tubes, o-rings and heating elements are not covered by the warranty
    Operation Manual & Video
    Application Notes
    • In order to get better film coating, the substrate shall be treated by plasma cleaner (Please click on the first picture 
    Net Weight 105 kg (230 lbs)
    Shipping Weight 137 kg (300 lbs)
    Shipping Dimensions 48"(L) x 45"(W) x 70"(H)

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    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.