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December 2009

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TechNet <[log in to unmask]>
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TechNet E-Mail Forum <[log in to unmask]>
Date:
Thu, 10 Dec 2009 13:53:55 -0500
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TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
Subject:
BOARD SOLDERABILITY
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Lee Whiteman <[log in to unmask]>
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One of my colleagues has a HASL finished board, that sat in our stockroom for ~ 10 years, and of course he want to use them (EOY Billing).



Ran the board through wave soldering, and it did not solder at all. Good news was that the board was not damaged by the heat - it just was not solderable. I do not want to use a more active flux since it will be difficult to clean.



Are there any solutions / processes that can restore board solderability?



Thanks in advance.



Lee Whiteman, PMP

Senior Member Engineering Staff

L-3 Communications East

Telephone: (856) 338-3508

FAX: (856) 338-2906

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