Printed Circuit Board Assembly & PCB Design SMT Electronics Assembly Manufacturing Forum

Printed Circuit Board Assembly & PCB Design Forum

SMT electronics assembly manufacturing forum.


PCB Surface Finish

#24882

PCB Surface Finish | 19 June, 2003

Which is the best surface finish to be used on non- solder mask defined pads in terms of cost and reliability? What are the advantages and disadvantages of the various surface finishes such as Ni/Au , Cu OSP , Ni /Pd and HASL.

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#24903

PCB Surface Finish | 19 June, 2003

Most of the BIG board fabs give comparisons, like you seek, on their sites. For instance: http://www.merix.com/main_res.html

We have no relationship nor receive benefit from the company referenced in the above link.

Finally, consider immersion tin and immersion silver in addition to the finishes you mentioned.

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