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topic 9435

Surface resistivity of electroless nickel plating


I was wondering what the typical surface resistivity of electroless nickel plating is? More specifically, the value correlating to ASTM D257-78...thanks

Josh S. Moore
- San Diego


I have read in a Circuitree Magazine Article(6/1/01) that the resistivity of Electroless Nickel Phosphorous Plate is 55-90 micro-ohms-cm. What is interesting is that the resistivity for nickel is 7.4. Can anyone explain why? Is it the phosphorous content?

Rob McCulley
- Salisbury, Maryland, USA

Hi Rob. Surely. Even very small amounts of contaminants or alloying materials radically reduce conductivity.


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