You do not want to use H2SO4 prior to dry film imaging as the acid surface
might lock in the dry film and make it hard to develop and remove. DI is not
required as long as the water is neutral and clean.
Scott Westheimer
----- Original Message -----
From: "McKinley Ken Civ 402 EMXG/MAILM" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, March 21, 2006 6:36 AM
Subject: [TN] Cleaning PWB's before imaging
> Trying to find out the proper way to clean printed wiring boards prior to
> imaging.
>
> Should the board go through sulfuric bath rinse with DI water before
> scrubbing?
>
> Also the fact should I be using DI water at all in this stage of the
> process?
>
>
>
> Ken McKinley 402d EMXG/MXVD
>
> 740 Page Rd.
>
> Robins Air Force Base Ga. 31098
>
> ph: 478-926-2225 Fax: 478-926-7164
>
> [log in to unmask] <mailto:[log in to unmask]>
>
>
>
>
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