Dear Technos,
Anybody using PCbs with bare copper pads and traces, no plating, no OSP,
not even solder mask? Because I have a few questions:
What is their shelf life?
Are they suited for double side SMT reflow? I mean, during the first
reflow the oxidizing is accelerated...
What storing/handling procedures you use?
Does the copper require any particular specifications, in order to
perform better in soldering?
Anything else?
Thank you,
Ioan
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