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Complete Sets of Thermal Fields for Sapphire Crystal Growing Furnace

(Summary description)In recent years, sapphire crystal growing products have been applied in the fields of LED, watch surfaces, mobile screens, etc., with rapid development. The production equipment of sapphire crystals is mainly divided into kyropoulos method, Czochralski method, heat exchange method, film guiding method, etc., with the main stream of the heat exchange method. In spite of any crystal growing method, sapphire crystals need to be produced by melting Al2O3 raw material at 2,050℃ and then crystallizing the melt material into single crystals by cooling, so parts bearing high temperature in the sapphire crystal growing equipment must be formed by tungsten-molybdenum materials with extremely good high-temperature performance, which are generally called thermal fields. Thermal fields are core parts in the sapphire crystal growing equipment, and are composed of heating, supporting and insulation systems as well as seed crystal holders in crystal introduction mechanisms and other accessories.

Complete Sets of Thermal Fields for Sapphire Crystal Growing Furnace

(Summary description)In recent years, sapphire crystal growing products have been applied in the fields of LED, watch surfaces, mobile screens, etc., with rapid development. The production equipment of sapphire crystals is mainly divided into kyropoulos method, Czochralski method, heat exchange method, film guiding method, etc., with the main stream of the heat exchange method. In spite of any crystal growing method, sapphire crystals need to be produced by melting Al2O3 raw material at 2,050℃ and then crystallizing the melt material into single crystals by cooling, so parts bearing high temperature in the sapphire crystal growing equipment must be formed by tungsten-molybdenum materials with extremely good high-temperature performance, which are generally called thermal fields. Thermal fields are core parts in the sapphire crystal growing equipment, and are composed of heating, supporting and insulation systems as well as seed crystal holders in crystal introduction mechanisms and other accessories.

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In recent years, sapphire crystal growing products have been applied in the fields of LED, watch surfaces, mobile screens, etc., with rapid development. The production equipment of sapphire crystals is mainly divided into kyropoulos method, Czochralski method, heat exchange method, film guiding method, etc., with the main stream of the heat exchange method. In spite of any crystal growing method, sapphire crystals need to be produced by melting Al2O3 raw material at 2,050℃ and then crystallizing the melt material into single crystals by cooling, so parts bearing high temperature in the sapphire crystal growing equipment must be formed by tungsten-molybdenum materials with extremely good high-temperature performance, which are generally called thermal fields. Thermal fields are core parts in the sapphire crystal growing equipment, and are composed of heating, supporting and insulation systems as well as seed crystal holders in crystal introduction mechanisms and other accessories.

With stable high-temperature chemical properties, small thermal deformation, long service life and other advantages, tungsten-molybdenum materials have become irreplaceable materials for high-quality sapphire crystal growing furnaces.

Main tungsten-molybdenum parts of thermal fields for KY method sapphire crystal growing furnaces

Heater

 

Complete

 

Crucibles

 

Complete

 

Lateral inner layer reflecting screens

 

Complete

 

Crucible supporting systems

 

Complete

 

Main tungsten-molybdenum parts of thermal fields for other sapphire crystal growing furnaces

 

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