Homebrew PCBs

Amazing, isn't it...

John M...
==============



--- In Homebrew_PCBs@yahoogroups.com, "yildirimalper" 
<yildirimalper@y...> wrote:
> Hi
> It says 30,000 holes/minute in the Hitachi web site.
> Is it really possible.
> I can not even imagine. That is 500 holes/second
> 
> Best regards,
> Alper
> 
> --- In Homebrew_PCBs@yahoogroups.com, "anode505" <anode505@y...> 
> wrote:
> > 
> > 
> > Has anyone thought of a Yag laser for PCBs?
> > I see people are actually 'milling' the unwanted copper off the 
> > boards.
> > 
> > 
> > Yags are great for copper (On CO2 lasers, copper is a BIG no-no) 
> and 
> > the beam can be delivered via fiber optics with a Yag.  Plus you 
> > cna 'drill' the holes without a tool change.  Get fancy and you 
> can 
> > adjust to focus for bigger/smaller kerfs (though not recomemned)
> > 
> > Nice chemical free way of doing it (at least chem free before 
PTHs)