PMC Co., Ltd.   

PROFILE MONOCRYSTAL CORUNDUM      

 
   

Technology

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The thermal processing zone

Diagram showing thermal processing zone of plant for growing sapphire crystals of predetermined shape:
1 – growing crystal;
2 – crystallization front;
3 – melt column;
4 – generatrix of melt column (profile curve);
5 – melt; 6 – crucible;
7 – heater;
8 – working end face of former;
9 – meniscus in capillary before seeding;
10 – former;
11 – capillary

 


Photo gallery
   

         
Participants of the First meeting on Stepanov method, Leningrad, on April, 13th, 1967.
A crystal is grown
Equipment employed for producing shaped crystals of sapphire