Electronics Forum: nipdau (Page 2 of 2)

solder SnPb wire to gold plated IC

Electronics Forum | Mon Apr 16 09:12:23 EDT 2007 | davef

Standard for appearance: J-STD-001 and IPC-A-610 committees eliminated the requirement that solder connections be "bright and shiny". Certain solderability protections; such as Au, NiPd, NiPdAu; can affect the surface texture of a solder connection,

Land size

Electronics Forum | Mon Jul 07 11:46:29 EDT 2008 | aj

Hi All, Can anyone advise the spec for land size of a lead 0.2mm in width? I am placing a TQFP128 0.4mm pitch, the leads seem to be wider than the actual pads they are been placed on? I am also experiencing poor wetting on this part , it has NiPdAU

NiPdAu Soldering Problems?

Electronics Forum | Fri Sep 19 21:31:15 EDT 2008 | trynders

Thanks for the response guys! The parts are being sent to a local lab as we speak. I'll let you know the results when I get them. I am not sure the purpose of the copper band, but the black around the band is just shadowing from how I took the pi

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