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Re: [Homebrew_PCBs] instructables 1 min PC etch using sponge & FeCl

2009-08-14 by DJ Delorie

Malcolm Parker-Lisberg <mparkerlisberg@...> writes:
> Has anyone tried this method for chemical machining. I am making
> some encoder disks for the digital DC servos I am building and was
> going to use conventional dip FeCl bath. Is the undercutting any
> less?

http://www.delorie.com/pcb/brass/

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