Doug,

I understand your point of view.  I guess that I was looking at it from a
very small job point of view believing that residue would be inconsequential.

The benefit of the forum is that we learn new things.  I am not into board
stuffing, etc like many of you folks, so I appreciate your comments.

Steven Creswick CTS RF Integrated Modules

At 07:57 AM 1/12/01 -0600, you wrote:
>
>
>
>
>Steve,
>
>In addition to everything else that has been said, and forgive me if this
>has been, ..... but if you can do an aqueous clean after reflow how about
>dispensing a water soluble mask  .... then just wash it off afterwards!
>
>*As the cleaning experts all run from the room screaming incoherently......
>I have yet to see a water soluble mask that is *fully* water soluble.  You
>*assume* that it all goes off the board and down the drain.  In reality, it
>deposits itself on other places on your board, lines the walls of your
>cleaner, coats the pipes of your plumbing, etc.  Since cleaners often don't
>get the maintenance they need, you have your wash section simply become a
>mechanism for applying low levels of dissolved mask on your boards.  As you
>might guess, I am not a fan of water soluble masks.  I'm not a fan of latex
>peelable masks either.  Too much crud left on the board after you peel them
>off.
>
>Doug Pauls,
>Rockwell Collins
>
>
>

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