Ultrapure silicon (Si) is now produced by heating a gaseous mixture of silane (SiH), a molecule containing a central Si atom surrounded by 4 H atoms, to very high temperatures.

• 目前为生产超纯硅，要把硅烷(siH4，即中心有一个si原子、周围有四个H原子的分子)的气体混合物加热到非常高的温度。