This standard specifies the visual inspection method for the surface quality of silicon carbide single crystal polished wafers (hereinafter referred to as "polished wafers"). This standard is applicable to the detection of surface quality of single-sided or double-sided polished silicon carbide single crystal polished wafers.
SJ/T 11504-2015 history
2015SJ/T 11504-2015 Test method for measuring surface quality of polished monocrystalline silicon carbide