Home / Standards / GB/T 13388-2009 GB/T 13388-2009 Active Method for measuring crystallographic orientation of flats on single-crystal silicon slices and wafers by X-ray techniques 硅片参考面结晶学取向X射线测试方法 Standard Type GBT ICS 29.045 CCS H80 Status 现行 Issue Date 2009-10-30 Implementation 2010-06-01 Responsible Dept 国家标准委 Drafting Unit N/A