Home / Standards / GB/T 43894.1-2024 GB/T 43894.1-2024 Active Practice for determining semiconductor wafer near-edge geometry—Part 1:Measured height data array using a curvature metric(ZDD) 半导体晶片近边缘几何形态评价 第1部分:高度径向二阶导数法(ZDD) Standard Type GBT ICS 77.040 CCS H21 Status 现行 Issue Date 2024-04-25 Implementation 2024-11-01 Responsible Dept 国家标准委 Drafting Unit N/A