Adam Seychell <a_seychell@...> writes: > I was trying to etch for QFN packages with 0.5mm pitch, and could > not get the required accuracy. I've not had good luck with those; I now use 2mil brass for 0.5mm pitch to reduce the problems. I can usually get good enough for 95% of the pins, which is good enough for DIY I suppose. > and etch undercut. http://www.delorie.com/pcb/brass/20070220-60-top.jpg
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Re: [Homebrew_PCBs] Re: Need a fine pitch stencil? Here's a method to create your own homebrew high
2008-01-18 by DJ Delorie