I like the water-soluble masking. I have used in a open loop system. You
have to be carefull what you use in a closed loop system as it may ruin your
DI tanks. When using peelable, it loves to stay in small holes and star
washers. It is also eaiser to get off if a little thicker than too thin.
>
>                                  James Cagle
> Tyco Printed Circuit Group-Hayward Division
>                       email: [log in to unmask]
>


-----Original Message-----
From: Barmuta, Mike [mailto:[log in to unmask]]
Sent: Thursday, June 12, 2003 1:39 PM
To: [log in to unmask]
Subject: Re: [TN] evaluation of peelable solder mask for wave solder


In addition to the great list Carrie provided,  you may want to consider the
following:

*       Ease of removal for various features and configurations of
application
*       Resistance to breakdown in the flux and solderwave
*       Ionic characteristics of the mask
*       Compatibility with board and final finish materials
*       Applied shelf life
*       dispensable Vs screenable

If you are post wavesolder washing the boards have you considered a soluble
mask instead of peelable which can be difficult and time consuming to
remove?

Regards

Michael Barmuta

Staff Engineer

Fluke Corp.

Everett WA

425-446-6076




-----Original Message-----
From: Tenison Stone [mailto:[log in to unmask]]
Sent: Thursday, June 12, 2003 12:10 PM
To: [log in to unmask]
Subject: [TN] evaluation of peelable solder mask for wave solder



Hi everyone,

I am working on a plan to evaluate peelable solder masks for wave soldering.


We currently use a latex that takes overnight to dry.  I have several
samples from different vendors to use in an experiment.

What parameters should be included in the experiment to ensure I make the
best decision for my process?

Thank you for your help.

Tenison Stone
Manufacturing Engineer
Telex Communications
1930 West First Street
Blue Earth, MN  56013
507-526-3205   x2164
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