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March 2010

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TechNet <[log in to unmask]>
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Date:
Tue, 9 Mar 2010 21:48:04 -0600
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TechNet E-Mail Forum <[log in to unmask]>, Joseph Khiew <[log in to unmask]>
Subject:
pin hole surafce mount joint
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From:
Joseph Khiew <[log in to unmask]>
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We have encountered high percentage of pin holes issue after lead-free reflow 
soldering from particular diode supplier that manufactured at Morocco. 
However, very little reject being found if the particular component is 
manufactured at China by using the identical process, machines and chemicals.

We did highlighted to the particular supplier but they did not admitted that 
any changes/differences from these two plants. 

Please advise if any comments/recommendations for us to pursue these issue. 



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