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February 2001

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Subject:
From:
Julien Bouchard <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 16 Feb 2001 08:00:21 -0500
Content-Type:
text/plain
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text/plain (52 lines)
Hi,
   Here we reuse the paste, but when we reuse it, we add always a minimun of
50% of new fresh paste from the same manufacturer and the same kind of
paste. If work very well for us. But older paste is keep only during 3 days
in a closed jars. After that, we don't reuse it.  We made a lot of low
volume product, with very fine apertures and BGA, and it's a no-clean paste
we use.

Julien Bouchard
Process Engineer
Matrox Electronic Systems


-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Nicolas Ortiz
Sent: 15-Feb-01 21:41
To: [log in to unmask]
Subject: [TN] Solder paste reuse


Solder paste reuse: does anybody has this practice? Obviously, my solder
paste supplier does not recommend it.

Nicolas Ortiz
Process Engineering Group Leader
Conexant Systems

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