China 'GB/T 17170-1997
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 17170-1997
Test method for deep level EL2 concentration of undoped semiinsulating monocrystal gallium arsenide by measurement infra-red absorption method 非掺杂半绝缘砷化镓单晶深能级EL2浓度红外吸收测试方法
Issued Date:1997-12-22
Implemented Date:1998-08-01
Issued by:
The Standardization Administration of the People's Republic of China