Home / Standards / GB/T 47080-2026 GB/T 47080-2026 Upcoming Test method for dislocation density of diamond single crystal polished wafer 金刚石单晶抛光片位错密度的测试方法 Standard Type GBT ICS 77.040 CCS H17 Status 即将实施 Issue Date 2026-01-28 Implementation 2026-08-01 Responsible Dept 国家标准委 Drafting Unit N/A