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Surface Finish

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PCB Surface Finishes include HASL, OSP, ENIG, Immersion Tin, Immersion Silver, Gold – Hard Gold…Protect copper from oxidation and help assembly.

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mixed lead free and non lead free production
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Ricardo Medda

Hi We are in the process of developing a lead free product to be used in a non lead free selective soldering machine, i do have concern in these, and hope you guy can share your experienced expert opinion:
1. What does it take to convert to lead free in the flux - heat - solder process??
2. Can we reuse the same machine? My point here is that the non lead free process has already coated the machine interior ( exhaust, internal flow ) with leaded component, and by conversion to lead free are we containminating the lead free product from the previous production?
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Statement: This post is only the personal view of the author and does not represent the opinions of ALLPCB.com.

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