Home / Standards / GB/T 32188-2015 GB/T 32188-2015 Active The method for full width at half maximum of double crystal X-ray rocking curve of GaN single crystal substrate 氮化镓单晶衬底片x射线双晶摇摆曲线半高宽测试方法 Standard Type GBT ICS 77.040 CCS H21 Status 现行 Issue Date 2015-12-10 Implementation 2016-11-01 Responsible Dept 国家标准委 Drafting Unit N/A