Re: gEDA-user: outline layer

[Ben Jackson <ben@xxxxxxx>]

On Sat, Apr 04, 2009 at 06:50:57PM -0400, gene glick wrote:
> 
> >         gamepad.outline.gbr       Outline (10 mil line, board edge is on-center)
> > 
> And they come close?  I'm asking because I have a connector that hangs 
> over the edge of the board.  If the fab house cuts the board too large, 
> the connector won't go fit.

That particular fab (which isn't the greatest!) got those dimensions right.
I just measured a sample board and it is -0.003 in one direction and -0.010
in the other.

You probably can't rely on milling operations beyond about 0.010" anyway.

Something else to consider is panelization:  If you are ordering a
standard panel size and you want to fill it you will need to know how
wide their cutting tool is (unless they just score it for you, or you
are a DIY nut like DJ).

> while on this subject, how close to the board edge can planes go?  5
> mil? 10 mil? more?

Ask your vendor.  I've used 0.025" before at a place with 8/8 rules.

-- 
Ben Jackson AD7GD
<ben@xxxxxxx>
http://www.ben.com/


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