1:high purity silicon 2:float zone technology 3:low cost 4:single crystal silicon
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the FZ growers principles:
The growth proess starts by inserting a polycrystalline ingot into the upper chamber/pulling arrangment.Thereafter the ingot is pri-heated by means of a graphite heater.After pre-heating,the graphite heater is swung away and the cone_shaped ingot is lowered into the active zone of the high frequency coil.which is now able to melt the silicon ingot to the seed crystal.The one-pass monocrystalline growth process can now begin.
float zone single crystal silicon
