[tinwhiskers] Plating thickness and whisker growth

  • From: lynn norman <blnorma@xxxxxxxxx>
  • To: tinwhiskers@xxxxxxxxxxxxx
  • Date: Fri, 14 Mar 2008 11:48:05 -0700 (PDT)

We're writing a PCB spec and some of our folks are
concerned with immersion tin plating thickness.  We
use a lot of press fit connectors (almost exclusively
with imm Sn), and the concern is that the thicker the
tin plating, the higher the probability of whiskering.
 Does anyone know of any studies relating whisker
formation to plating thickness?

Lynn Norman
Materials Engineer
Continental Automotive


      
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