Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

----- Original Message -----
From: "David McNab" <rebirth@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Thursday, January 18, 2007 8:29 PM
Subject: [Homebrew_PCBs] Copper Pours - pros/cons?


> Hi,
>
> What do people see as the pros/cons of copper pours in board artwork?
>
> For mainly digital circuits with small amounts of analog sampling, do
> they offer any significant improvement in electrical performance?
>
> I tried a couple of boards with GND copper pour.
>
> For me, all I've noticed is that they make my etchant last a little
> longer, but increase the time taken in removing backing paper, and make
> the soldering phase slightly less comfortable.

It can make routing easier, which is why I sometimes use it, as well as
giving better electrical performance. Having as much ground area as possible
is usually a good thing. It can also give more even etching - isolated
tracks tend to get over-etched.

Leon
--
Leon Heller
Amateur radio call-sign G1HSM
Yaesu FT-817ND transceiver
Suzuki SV1000S motorcycle
leon355@...
http://www.geocities.com/leon_heller