Description
Description
The Graphite Ring-shaped Heater is a key heating element in Czochralski (CZ) monocrystalline silicon furnaces. Designed in a precise annular form, it encircles the crucible to provide uniform, radiant heating for silicon melting and controlled crystal growth.
packing and delivery
Wooden box package
feature
- High-purity, fine-grained graphite construction
- Precise annular geometry for surrounding heating
- Excellent high-temperature stability
- High thermal conductivity and rapid thermal response
- Good thermal shock resistance and structural stability
- Can be custom-designed in diameter, height, and resistance
advantage
- Ensures a symmetrical and uniform radial temperature field
- Enables precise control of melt temperature and crystal growth rate
- Low contamination risk due to high purity and low outgassing
- Long service life under continuous high-temperature operation
- Supports energy-efficient heating with stable performance
application
- Primary radiant heater in Czochralski (CZ) monocrystalline silicon growth furnaces
- Used in photovoltaic and semiconductor-grade silicon crystal production
- Suitable for large-diameter (e.g., 12-inch and above) single crystal growth processes
- Also applicable in other high-purity, high-temperature crystal growth systems
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