Bob:  Why not advise on the type of flux you are using.

Rudy Sedlak
RD Chemical Company

--- On Tue, 12/16/08, Wilson, Bob <[log in to unmask]> wrote:
From: Wilson, Bob <[log in to unmask]>
Subject: [TN] flux and board cleaning issues
To: [log in to unmask]
Date: Tuesday, December 16, 2008, 3:55 PM

Hi,

I have a lead who is an IPC J-STD-001 certified trainer and she is very
good.  We are using a board assembly that has a nut plate under a
high-density 26-pin DSUB.

The girls were soaking the assemblies in an alcohol bath and the lead
assembler said she didn't want the boards soaked in alcohol because it
isn't 100% guaranteed to remove all the flux from under the connector or
nut plate.

She has the girls trying to get a brush under there to get the flux out.

Am I nuts or have I been under the wrong impression that alcohol and
compressed air is the best way to clean a fluxed board?  I hate the idea
of me saying something like, "But...but that's the way we've
always done
it!"

(I don't have J-STD-001 here on the design side).

Thanks a bunch.

Bob Wilson

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