Homebrew PCBs

At 03:25 PM 2/4/2011, you wrote:

>--- On Fri, 4/2/11, Mark Lerman <mlerman@...> wrote:
> > From: Mark Lerman <mlerman@...>
> > Subject: [Homebrew_PCBs] Plotter Information
> > To: homebrew_PCBs@yahoogroups.com
> > Date: Friday, 4 February, 2011, 18:52
>
> > work. Questions:
> >
> > 1 - How good is a plotter's resolution?
>
>Just a quick answer: the basic resolution of HPGL, the
>HP plotter laanguage that nearly all plotters use, is
>40 steps per mm.  So, if you add 40 to a co-ordinate,
>the pen moves by 1mm. Now, I don't know if this is
>the mechanical resolution of the plotter, but it sets
>an upper limit to resolution, at least.

Thanks - that would be .001 inch (1 mil) per step, more than adequate!
Mark