Home / Standards / GB/T 42271-2022 GB/T 42271-2022 Active Test method for resistivity of semi-insulating monocrystalline silicon carbide by contactless measurement 半绝缘碳化硅单晶的电阻率非接触测试方法 Standard Type GBT ICS 77.040 CCS H21 Status 现行 Issue Date 2022-12-30 Implementation 2023-04-01 Responsible Dept 国家标准委 Drafting Unit N/A