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Contact material substrate plated with gold or palladium can be attacked by corrosion through the pores existing in the top-coat. Since the corrosion products usually are poor conductors they cause increased contact resistance. Investigations have been made by measuring the Contact resistance as a function of time in different atmospheres. This is a powerful but expensive and laborious method. An apparatus for the in situ measurement of pore corrosion based on diffuse scattering is reported here.
Components, Hybrids, and Manufacturing Technology, IEEE Transactions on (Volume:9 , Issue: 3 )
Date of Publication: Sep 1986