標題: ASTM F 418-1977 測量霍爾效應用恒定成分范圍的外延磷化砷化... [打印本頁] 作者: 兌水 時間: 2009-11-19 07:25 標題: ASTM F 418-1977 測量霍爾效應用恒定成分范圍的外延磷化砷化... F418-77(2002) Standard Practice for Preparation of Samples of the Constant Composition Region of Epitaxial Gallium Arsenide Phosphide for Hall Effect Measurements