Dear TechNetters

Recently we are evaluating the use of OSP ( Organic Solderbility
Preservative ) on Mixed Technology PCB where by we have
both PTH ( Plated Thro' Hole ) or THM ( Thro' Hole Mount ) and SMTcomponent
on board

It was claim that OSP will provide a good solderbility on the board itself
but limited to SMT device only. it will not provide
the good joint on PTH component.

Was this the real case ????

Your help and brilliant  advise is needed urgently and appreciated it in
advance

Thanks and Best Rgds
HF Lai
Unico Technology


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