Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, "jc805sb" <jc805sb@...> wrote:
>
> --- In Homebrew_PCBs@yahoogroups.com, "javaguy11111" <javaguy11111@> wrote:
> >
> >  Are you trying to mount MEMs devices on a pcb or using a pcb for making MEMs devices?
> > 
> 
> I am etching copper patterns which operate as the MEMS
> (the field calls it MEMS although there's nothing mechanical).
> I have pictures on my blog here,
> http://88proof.com/synthetic_biology/blog/archives/280
> 
> The pictures show pretty poor etch results which 
> I am trying to improve using the best SMT techniques first.
> Pad size/spacing is 1mm x 1mm with 0.125mm gap, or smaller!

I tried to leave this comment on your blog, it said it was too "spammy":

Nice!

What method are you using to make the PCBs?

Are there any issues from the current flow or from copper going into solution?

Steve Greenfield