Home / Standards / GB/T 46057-2025 GB/T 46057-2025 Active Microbeam analysis—Scanning electron microscopy—Method for evaluating critical dimensions by CD-SEM 微束分析 扫描电子显微术 CD-SEM评定关键尺寸的方法 Standard Type GBT ICS 71.040.40 CCS G04 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 国家标准委 Drafting Unit N/A