5Holm R. Electric Contacts:Theory and Applications [M] .Berlin: Springer-verlag,1976 .
6Aichi H,Tabara N.Anaiysls on the constriction resistance of the electric contact by the contact modsi using the eiectmiyte bath[C] //Proceedings of 2th Tntemationai Conference on Eiectricai Contacts 1994.
7Nakamura M,Constriction resistance of conducting spots by the boundary eienmat mthod [J] . IEEE Trans Comp Hybrids Manuf Technoi,CHMT,1993(16):339 - 341.
