Home / Standards / GB/T 30868-2025 GB/T 30868-2025 Active Test method for micropipe density of monocrystalline silicon carbide 碳化硅单晶片微管密度测试方法 Standard Type GBT ICS 77.040 CCS H21 Status 现行 Issue Date 2025-08-01 Implementation 2026-02-01 Responsible Dept 国家标准委 Drafting Unit N/A