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谁也没有料到,用普通直拉法生长单晶硅用的石英坩埚,原来是个浪费很大的项目,那是因为每拉出一根晶体,在从1400℃以上的操作温度下进行冷却时,坩埚就开裂了。据瓦里安公司莱克星敦
No one expected that using a normal Czochralski method to grow quartz crucibles for monocrystalline silicon turned out to be a wasteful project because each time a crystal is pulled out and cooling is carried out at an operating temperature above 1400 ° C , The crucible cracked. According to Varian company Lexington