Arc single crystal furnace
Tetra Arc Furnace TAC-5100J from Quantum DesignIn the Tetra Arc Furnace, high-melting-point material is melted by four electric arcs discharged in inert Argon gas. The single crystal is grown using the Czochralski method.
- Melting temperature up to 3000 °C
- Four electric arcs
- Uniformly distributed high-temperature region
- High vacuum system (5x10-6 Torr)
- Chamber vacuum reached in less than one hour
Further information
In Tetra Arc, polycrystalline material is melted by four electric arcs in a rotating, chilled copper hearth. A chilled tungsten pulling rod is dipped into the hot melt. While rotating, the pulling rod is slowly lifted to grow the crystal. To prevent the oxidation of both melt and crystal, the entire process is performed in an oxygen- and moisture-free atmosphere.
Suitable materials crystallized by this method include intermetallic compounds that are potentially damaged by oxidization. For this purpose, the furnace includes a high vacuum system to prevent oxidization (5x 10-6 Torr).
Specifications
Chamber | Stainless steel (double walled and cooling water | |
Working pressure range | 5x10-6 Torr (within 1 hour)~1.1 Atm | |
Vacuum discharge system | Turbo molecular pump: 220 L/sec and rotary pump 100 L/min | |
Vacuum gage measurement range | 760 Torr~1x10-9 Torr | |
Arc generator/Getter generator | 200 A/each generator for each electrode x 5 units | |
Pulling shaft | Shaft seal | Stainless/ferro-fluidic seal and bellows |
Normal travel speed | 0-39 mm/hr (servo-motor) | |
Travel stroke | 150 mm | |
Speed stability travel | ±1.0 % FS | |
Rapid travel speed | 175 mm/min (fix) | |
Rotation speed | 0-10 rpm | |
Hearth shaft | Shaft seal | Stainless /ferro-fluidic seal and bellows |
Rotation speed | 0-10 rpm |
Applications
Downloads
Videos
Reference customers
Single-Crystal Growth of f-Electron Intermetallics in a Tetra-Arc Czochralski Furnace, M. Szlawska and D. Kaczorowski, ACTA Physica Polonica A, Vol. 124, Page 336 (2013).
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Quantum Design GmbH
Roddarestigen 3
SE 182 35 Danderyd
Sweden
Phone: | +46 8 41071791 |
E-mail: | nordicqd-europe.com |