Electronics Forum: osp and on and gold and fingers (Page 1 of 1)

Re: CuOSP and IMM Silver versus HASL

Electronics Forum | Thu Aug 31 18:59:55 EDT 2000 | Brian W.

Our customers use OSP, HASL, immersion tin and immersion gold as board finishes. If I recommend a finish to the customer, it is one of the immersion finishes or OSP. Those finishes have the advantage of a flat surface to deposit paste. HASL has va

Re: Longer soak time and reflow time impact Solder on Au pad?

Electronics Forum | Fri Sep 08 04:45:17 EDT 2000 | PeterB

As per Travis's reply it could be something other than the reflow process. Another good one is if the printed PCB's have been cleaned down due to print misregistration etc.. If not properly controlled paste residues can remain distributed about the p

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