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Re: gEDA-user: non-round PCB pins



On Mon, Feb 07, 2005 at 01:54:31PM -0800, Matt Ettus wrote:
> I asked my PCB vendor and got this response --
> 
> ====
> What CAD do you use for design of the board? Please use mechanical layer for
> layout of the mill-out if you use Protel.  Please uese .mil file if you use
> Eagle. Just examples. Thanks.
> ====
> 
> How should I do this in PCB?

do those layers generate gerber files?

Right now there really isn't a way that I know of in PCB to have some extra
layer associated with an element. 

> Thanks,
> Matt
> 
> 
> On Fri, 4 Feb 2005 21:00:01 -0500, Charles Lepple <clepple@xxxxxxxxx> wrote:
> > On Fri, 4 Feb 2005 17:32:36 -0800, Matt Ettus <boyscout@xxxxxxxxx> wrote:
> > > I need to make a PCB footprint for a component which has several
> > > "pins" which are actually metal tabs about 1/8" long.  Any ideas how
> > > to do this?
> > 
> > Do you want to solder the tabs to plated slots in the board? If so,
> > you may want to ask the PCB shop how they would like to see the slot
> > represented in the gerber and drill files.
> > 
> > Some places will mill a slot between two drill hits if you call that
> > out on the fab drawing, but they may have a minimum size for the
> > narrow dimension of the slot.
> > 
> > If you're wave soldering the parts, you could get away with two or
> > even one drill hole to fit the width of the tab. This would be a pain
> > to rework, though, because of the sheer volume of solder that would
> > collect between the tab and the plated sides.
> > 
> > --
> > - Charles Lepple
> >
> 

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