The principle,characteristics and history of the EFG method are reviewed,the application of EFG in shaped crystal growth,such as sapphire and silicon,is discussed in particular.

• 对导模法的原理、特点和发展历史进行了简单介绍,着重论述了导模法在生长有形蓝宝石和硅晶体中的发展和应用,对目前导模法生长晶体过程中存在的问题做了简单的介绍。