Home / Standards / GB/T 1558-2023 GB/T 1558-2023 Active Test method for substitutional carbon content in silicon by infrared absorption 硅中代位碳含量的红外吸收测试方法 Standard Type GBT ICS 77.040 CCS H17 Status 现行 Issue Date 2023-12-28 Implementation 2024-07-01 Responsible Dept 国家标准委 Drafting Unit N/A