Electronics Forum: solder-nu (2)

Oxidation on BGA

Electronics Forum | Tue Apr 20 20:11:58 EDT 2004 | davef

First, how oxidized are these solder balls? Will the take solder using your routine flux / paste? Second, on restoring solderability, the three basic methods you can use to restore solderability on components are: * Highly active fluxes in a retinn

contaminated components

Electronics Forum | Mon May 10 20:46:25 EDT 2004 | davef

The three basic methods you can use to restore solderability on components are: * Highly active fluxes in a retinning operation. * Surface stripping chemistry and then a standard retinning operation. * Electrochemical conversion chemistry and then a

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