Home / Standards / GB/T 39159-2020 GB/T 39159-2020 Active High purity copper alloy target for integrated circuit 集成电路用高纯铜合金靶材 Standard Type GBT ICS 77.150.30 CCS H62 Status 现行 Issue Date 2020-11-19 Implementation 2021-10-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A