GB/T 30854-2014 Gallium nitride based epitaxial layer for LED lighting

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 4326-1984 Extrinsic semiconductor single crystals—measurement of Hall mobility and Hall coefficient GB/T 4326-2006 Extrinsic semiconductor single crystals measurement of Hall mobility and Hall coefficient GB/T 6618-1995 Test method for thickness and total thickness variation of silicon slices GB/T 6618-2009 Test method for thickness and total thickness variation of silicon slices GB/T 6619-1995 Test methods for bow of silicon slices GB/T 6619-2009 Test methods for bow of silicon wafers GB/T 6620-1995 Test method for measuring warp on silicon slices by noncontact scanning GB/T 6620-2009 Test method for measuring warp on silicon slices by noncontact scanning GB/T 13387-1992 Test method for measuring flat length on slices of electronic materials GB/T 13387-2009 Test method for measuring flat length wafers of silicon and other electronic materials GB/T 14140-2009 Test method for measuring diameter of semiconductor wafer GB/T 14140.1-1993 Silicon slices and wafers—Measuring of diameter—Optical projecting method GB/T 14140.2-1993 Silicon slices and wafers—Measuring of diameter—Micrometer method GB/T 14142-1993 Test method for crystallographic perfection of epitaxial layers in silicon by etching techniques GB/T 14142-2017 Test method for crystallographic perfection of epitaxial layers in silicon—Etching technique GB/T 14264-1993 Semiconductor materials—Terms and definitions GB/T 14264-2009 Semiconductor materials—Terms and definitions GB/T 14264-2024 Terminology of semiconductor materials GB/T 14844-1993 Designations of semiconductor materials GB/T 14844-2018 Designations of semiconductor materials SJ/T 11399-2009 SJ/T 11399-2009 Semiconductor Light Emitting Diode Chip Test Method GB/T 14140-2025 Test method for measuring diameter of semiconductor wafer GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 4326-2025 Extrinsic semiconductor single crystals measurement of Hall mobility and Hall coefficient