The current major solidification technologies used for production of mc-Si ingots are casting, heat exchange method (HEM), directional solidification system (DSS) and electro-magneto casting (EMC).

• 多晶硅锭定向凝固生产技术主要包括浇注法、热交换法(HEM)、定向凝固系统法(DSS)和电磁铸锭法；