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From: dalai lamah <antonio12358@hotmail.com>
Newsgroups: sci.electronics.design
Subject: Re: Feedthough/via that straddles (i.e., is bisected by) the cut edge of a PCB?
Date: Wed, 29 May 2024 15:20:57 +0200
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Un bel giorno Don Y digitò:

> I can't see any way to do this, reliably.  So, imagine a house won't
> let it through DRCs, regardless of diameter or weight of foil, etc.
> 
> Or, is there another (not exhorbitantly pricey) technology for precisely
> cutting boards that would keep the structure (at least the part that is
> not lost to the cut) mechanically (and thus electrically) intact?
> 
> Else, I will use another -- more expectantly reliable -- approach

The keyword to look for is "castellated holes". The easier way to do it is
to find a manufacturer that explicitly supports them, and follow their
instructions. For example:

https://www.pcbway.com/pcb_prototype/What_are_Plated_Half_Holes_Castellated_Holes_.html

-- 
Fletto i muscoli e sono nel vuoto.