GB/T 47080-2026 Test method for dislocation density of diamond single crystal polished wafer

GB/T 678-2002 Chemical reagent—Ethanol GB/T 678-2023 Chemical reagent—Ethanol GB/T 686-1989 Chemical reagent—Acetone GB/T 686-2008 Chemical reagent—Acetone GB/T 686-2023 Chemical reagent—Acetone GB/T 1555-1997 Test methods for determining the orientation of a semiconductor single crystal GB/T 1555-2009 Testing methods for determining the orientation of a semiconductor single crystal GB/T 1555-2023 Test methods for determining the orientation of a semiconductive single crystal GB/T 3634.2-2011 Hydrogen—Part 2:Pure hydrogen,high pure hydrogen and ultrapure hydrogen GB/T 3634.2-2025 Hydrogen—Part 2:Pure hydrogen,high purity hydrogen and ultra purity hydrogen GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 8979-1996 Pure nitrogen GB/T 8979-2008 Pure nitrogen and high purity nitrogen and ultra pure nitrogen GB/T 8979-2025 Pure nitrogen,high purity nitrogen and ultra pure nitrogen 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 14599-1993 High purity oxygen GB/T 14599-2008 Pure oxygen and high purity oxygen and ultra pure oxygen GB/T 14599-2025 Pure oxygen,high purity oxygen and ultra pure oxygen