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Reply To: | TechNet E-Mail Forum. |
Date: | Wed, 2 May 2001 08:45:00 -0400 |
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Hi, Phil,
The question is "is the no-clean flux used in the solder wick water
soluble?" I don't recall seeing any that is, although I haven't been
looking for quite a while. We use a "no-flux" solder wick for our OA
fluxing processes without problems. The operators dab a little of the
liquid OA flux on the wick before using it. It seems to work OK here.
Jim Marsico
Senior Engineer
Production Engineering
AIL/Electronics Systems Group
An EDO Company
[log in to unmask] <mailto:[log in to unmask]>
-----Original Message-----
From: Phil Nutting [SMTP:[log in to unmask]]
Sent: Wednesday, May 02, 2001 8:33 AM
To: [log in to unmask]
Subject: [TN] solder wick, no-clean vs. no-flux
About 3 months ago we converted our manufacturing system from RA
flux to OA
flux. Along with the conversion we switched from a solvent board
wash to an
aqueous board wash using closed loop DI water only. Now I have
people
complaining that the solder wick (un fluxed) I switched to doesn't
work well
at all. I have suggested that they need to use some of the liquid
OA flux
that they have been supplied, but still people are unhappy. A few
assemblers had used a no-clean flux solder wick with a previous
employer,
which seemed to work well. My question is are there
wash/compatibility
problems with this no-clean flux wick, my DI water wash system and
residue
left on the boards after wash?
Phil Nutting
Manufacturing Engineer
Kaiser Systems, Inc.
978-922-9300
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