ESOT90系列拉晶炉主要用于半导体材料 高纯材料  超导材料的制备.如硅材料提纯.

多晶硅定向凝固炉（简称结晶炉）Polycrystalline silicon directional solidify furnace(crystallize furnace for short)

用于used in

太阳能级硅锭制造，也可以用于其他半导体材料提纯。

Making solar energy silicon ingot and purifying other transistor materials

特点Feature

控制精度高，结晶速度自由调节

Higher precision for the control and free adjusting crystallize speed

采用感应熔炼法，增加溶液搅拌，熔炼速度快

Adopt induction smelting, increase solution stirring and the smelting speed is fast.

定向凝固保温采用特制加热电源

Adopt specially made heating power for the directional solidify keeping temperature

具有三相电流平衡，维护费用低

There are three-phase current balance and lower maintenance

采用恒温度控制仪，可设置148段加热工艺曲线

Adopt constant temperature control apparatus and you can set 148 heating technology curves

炉室采用真空炉体，真空度高，抽气速度快

Adopt three-house vacuum chamber for the furnace with higher vacuum and faster air pump

主要技术参数Main technique parameters

熔炼容量：10-300KG Capacity of smelting

电源功率：50-400KW     Power

升温速率：40℃/Min   Raising temperature speed

炉温均匀性：±5℃       Even quality of furnace temperature

极限真空度：6.67×10^-2Pa     Limit vacuum

压升率：    0.01PaL/S      Rate of raising voltage

额定充气压力：0.05Mpa      Rated giving air pressure

铸锭方式：下降定向凝固   The way of ingot casting: Descending directional solidify

伺服控制范围：0.01mm-6mm/Min           Range for serve control

定向凝固速率：0.03mm-0.5mm/Min         Rate of directional solidify

坩埚上升速度：80-100 mm/Min            Raising speed of crucible