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June 2009

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Subject:
Immersion Tin solderability eval
From:
Genny Gibbard <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Genny Gibbard <[log in to unmask]>
Date:
Wed, 24 Jun 2009 10:16:05 -0600
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We have some Immersion Tin boards that are several years old.  From
everything I have read here or elsewhere, ImmSn is supposed to have a
short shelf life.  6 mos to a year.  No one wants to scrap the boards
without testing them, though.  
How would you verify whether they are still good?  We hand-soldered some
pads and actually had no problems which surprised me, considering the
age of the boards, but I don't know if that is a valid test.

Genny 

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