Homebrew PCBs

I'm in New Zealand so it RS probably Australian stock and its the spray on 
stuff from a can although I might try the pre coated boards.


> Are you using pre-coated boards or coating them yourself?
>
> The uneven etching due to resist remaining after development is a sign 
> that
> it might be old stock, if the boards are pre-coated. Is RS Radio Shack or 
> RS
> in the UK?  The latter will be OK.
>
> You don't need to dry the boards after development,  just rinse them well
> and put them straight in the etchant. I use ferric chloride because it can
> be re-used many times,unlike ammonium or sodium perchlorate.
>
> Leon
> --
> Leon Heller, G1HSM
> leon.heller@...
> http://www.geocities.com/leon_heller
>
> ---
> [This E-mail has been scanned for viruses but it is your responsibility
> to maintain up to date anti virus software on the device that you are
> currently using to read this email. ]
>
>
>
> Be sure to visit the group home and check for new Links, Files, and 
> Photos:
> http://groups.yahoo.com/group/Homebrew_PCBs
>
> If Files or Photos are running short of space, post them here:
> http://groups.yahoo.com/group/Homebrew_PCBs_Archives/
> Yahoo! Groups Links
>
>
>
>
>
>
>
>
>
>
> -- 
> No virus found in this incoming message.
> Checked by AVG Free Edition.
> Version: 7.1.385 / Virus Database: 268.3.4/299 - Release Date: 03/31/06
>
>