> From:         Mike Hord[SMTP:gaidinmd@HOTMAIL.COM]
> Sent:         Tuesday, June 22, 2004 10:07 AM
> To:   PICLIST@MITVMA.MIT.EDU
> Subject:      Re: [EE:]PCB Making

> IIRC, in college we used cheap cheap cheap powder detergent.  I'm pretty
> sure that the cheap cheap cheap stuff is mainly just NaOH with some
> cutting agent; obviously best to steer clear of things with scents and
> fabric
> softeners and what-not.

> This is me dredging data up from a single day's explanation of methods,
> from over four years ago, so naturally, YMMV.

> Mike H.

I remember using TSP or Tri-Sodium Phosphate as a resist developer.

John Power

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