Although the film was the same metal construction feature as manganin alloy does,it has smaller crystalloid size,twice resistivity and less piezoresistance coefficient than the alloy.

• 但是,锰铜镀膜的结晶晶粒度与工业生产的锰铜合金还有较大差别,宏观物理量表现为:电阻率偏高,冲击压阻系数偏小。