teardrop? i dont understand what is this? where i can get it
--- On Sun, 7/6/08, Leon <leon355@...> wrote:
From: Leon <leon355@...>
Subject: Re: [Homebrew_PCBs] etched 5/5 results
To: Homebrew_PCBs@yahoogroups.com
Date: Sunday, July 6, 2008, 7:11 AM
----- Original Message -----
From: "Stefan Trethan" <stefan_trethan@ gmx.at>
To: <Homebrew_PCBs@ yahoogroups. com>
Sent: Sunday, July 06, 2008 3:00 PM
Subject: Re: [Homebrew_PCBs] etched 5/5 results
> The burrs seemed a bit rough, but it's hard to judge with
> magnification sometimes.
> I found the proxxon tools have better runout, probably in part due to
> the precision collets. The power of the small cheap 12V tools is more
> than plenty for PCB drills.
>
> Ideal drilling results can only be achieved with backing sheet (and
> cover sheet), not that i bother with the size rules i use, but that's
> what i'm told anyway.
>
> If you are going to solder via-wire to the traces it seems a good idea
> to widen the first couple mm of trace, to get a solid joint.
I often use teardrops on my home-made boards. They make the joints more
reliable, especially for vias.
Leon
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