Hello, all
I have difficulty in Sn/Pb plating beacuse deviation of Sn/Pb thickness is severe.
and where the pattern is dense the deviation is more severe.  

Does anyone know the good way decrease the thickness deviation?
Is it possible to decrease the plating thickness deviation of the dense pattern part  

within +- 1зн?
I want to the way and the eqip, chemical ....
I'm waiting...
Good bye all  

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