Home / Standards / GB/T 47089-2026 GB/T 47089-2026 Upcoming Test method for determining geometrical parameters of patterns on patterned sapphire substrate 蓝宝石图形化衬底表面图形几何参数的测定方法 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