Home / Standards / GB/T 6624-2009 GB/T 6624-2009 Active Standard method for measuring the surface quality of polished silicon slices by visual inspection 硅抛光片表面质量目测检验方法 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