... commonly used for a variety of non-metallic materials ' grooving and cutting process.Details are as follows:1.semiconductor ... materials:Si , Ge, Gap, GaAs, GaAsP, LiNbO3, BiSb, BGA, ... .ceramic materials:Al2O3 ,ZrO2, Si3N4, BaTiO3, CaTiO3 and so on.3.magnetic materials:ferrite and various kinds of magnetic materials.4.other materials:crystal ...