Re: gEDA-user: ground planes and thermals

[handsome greg <xdissent@xxxxxxxxx>]

good point. this is for a small run that im cnc-ing myself so i'll be
sure to check for long burrs or accidental contact with other parts. 
thanks for pointing it out.

On Apr 1, 2005 3:42 PM, bumpelo@xxxxxxxxxxx <bumpelo@xxxxxxxxxxx> wrote:
> > yep plastic pins.  should be no problem.
> 
> Not necessarily. If an unplated hole pierces copper on two layers that copper may become shorted even if you only put plastic in the hole.
> 
> Many manufacturers don't like to do unplated holes and will charge a lot extra for them. Often its cheaper and easier to make them plated holes and just have clearances.
> 
> 
>   thanks so much for the info
> > guys.  im doing a dry placement run on paper, then gerber to gcode,
> > then milling this afternoon hopefully!!!!
> >
> > overwhelmed with excitement
> > handsome greg
> > http://www.lipstick-killers.com
> >
> > On Apr 1, 2005 2:19 PM, Mark Rages <markrages@xxxxxxxxx> wrote:
> > > On Apr 1, 2005 2:16 PM, DJ Delorie <dj@xxxxxxxxxxx> wrote:
> > > >
> > > > > nope.  nothing with both of those flags.  you know what though?  i
> > > > > think it is just because i have some alignment holes for some jacks
> > > > > i have that are unplated holes with no pad.
> > > >
> > > > The warning is to make sure you don't accidentally short your power
> > > > plane to a metal mounting screw or something.  Making it a plated hole
> > > > will ensure that sufficient clearance is added to prevent that.
> > > >
> > >
> > > If his jack is like the ones I've used, the alignment pins are
> > > plastic.  I just ignored the warning and the board worked fine.
> > >
> > > Regards,
> > > Mark
> > > markrages@xxxxxxxxx
> > >
> > > --
> > > You think that it is a secret, but it never has been one.
> > >   - fortune cookie
> > >
>