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July 1999

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TechNet <[log in to unmask]>
Subject:
PCB blistering during wave
From:
"Tempea, Ioan" <[log in to unmask]>
Date:
Fri, 9 Jul 1999 11:18:13 -0400
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"TechNet E-Mail Forum." <[log in to unmask]>, "Tempea, Ioan" <[log in to unmask]>
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Fellow technetters,

we are presently fighting with some ultra low-end TH only PCBs. During
waving they blister a lot. We tried many things like hotter-colder
preheating, hotter-colder solder temp, faster-slower speed. No result.

Are there any other tricks to try, or we send them back to the fab?

Thanks, Ioan

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