> -----Original Message-----
> From: Roman Black [SMTP:fastvid@EZY.NET.AU]
> Sent: Tuesday, March 27, 2001 6:25 PM
> To:   PICLIST@MITVMA.MIT.EDU
> Subject:      Re: [OT] Disposal of used PCB fabrication chemicals
>
> Brainwave! How about using electrolysis to ETCH
> the boards in the first place? Treat the board as
> one electrode and remove the copper that way.
> Umm, ok so as it gets near the end of the process
> parts of the board would disconnect. But you could
> remove the bulk of the copper? And all copper removed
> would be deposited on your other electrode ready for
> sale as scrap metal. No environmental problems.
> -Roman
>
I can remember electroylisis etching kits being sold many years ago in some
of the electronics mags over here in the UK.  I guess the idea never really
took off as I've not seen anything like this for a while.  Don't know the
reason why though, perhaps it affects the etching quality in some way?

Mike

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