Homebrew PCBs

Forgot about HF. It can kill you quite easily.

2011/10/26 David Griffith <dgriffi@...>

> **
>
>
> On Wed, 26 Oct 2011, Donald H Locker wrote:
>
> > I'll let you know when I figure out a safe one. I believe HydroFluoric
> > (HF) acid etches it quite well, but is extremely hazardous to handle.
> > Most of the formulae I've seen use HF and H2O2. Sorry to all that we've
> > wandered a bit off-topic.
>
> If you're interested in pursuing Ti etching, try a mechanical approach.
> Suppose we put a pattern on a sheet of thin rubber, then dissolve away
> what we don't want. Use that rubber as a mask for sandblasting.
>
> --
> David Griffith
> dgriffi@...
>
> A: Because it fouls the order in which people normally read text.
> Q: Why is top-posting such a bad thing?
> A: Top-posting.
> Q: What is the most annoying thing in e-mail?
>
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