You can try a metal shear.  Sounds crude, I know, but
you use what's available sometimes.  Actually, it worked quite
well when I used it for cutting blank perfboards.  I don't know
if this is quite what you are looking for - Bear in mind that the
pads will probably get buggered up at the shear point.

D.



>From: "David Van Horn" <dvanhorn@microbrix.com>
>Reply-To: "Microcontroller discussion list - Public." <piclist@mit.edu>
>To: "Microcontroller discussion list - Public." <piclist@mit.edu>
>Subject: [EE] Notched PCBs
>Date: Mon, 21 Nov 2005 21:53:21 -0500
>
>
>I haven't seen this covered anywhere, thought I'd ask.
>
>I'm looking to make crenellations in the side of a PCB.
>That is, to have "half a pad" so that pins can be laid alongside the PCB
>and soldered into the circuit, rather than being threaded through a
>hole.
>
>Does anyone know how to do this without the mill putting copper kerf
>into the hole?
>
>
>
>
>--
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