Home / Standards / GB/T 30655-2014 GB/T 30655-2014 Active Test methods for internal quantum efficiency of nitride LED epitaxial layers 氮化物LED外延片内量子效率测试方法 Standard Type GBT ICS 77.040.99 CCS H21 Status 现行 Issue Date 2014-12-31 Implementation 2015-09-01 Responsible Dept 国家标准委 Drafting Unit N/A