Home / Standards / GB/T 42905-2023 GB/T 42905-2023 Active Test method for thickness of silicon carbide epitaxial layer—Infrared reflectance method 碳化硅外延层厚度的测试 红外反射法 Standard Type GBT ICS 77.040 CCS H21 Status 现行 Issue Date 2023-08-06 Implementation 2024-03-01 Responsible Dept 国家标准委 Drafting Unit N/A