[sdiy] Ground planes

[cheater cheater]

Remember it also depends on the thickness of your layer.

D.

On Tue, Mar 30, 2010 at 17:55, David G. Dixon <dixon at interchange.ubc.ca> wrote:
>> Pads which are connected to the ground plane are connected by thin
>> tracks, called 'thermals'. The reason being that if they were simply
>> a part of the ground plane not covered by soldermask, the groundplane
>> would act as too much of a heatsink to be able to do a decent job of
>> soldering to the pad. David is complaining that even with the thin
>> traces, the groundplane makes soldering much harder.
>
> I concur that soldering to planes is a pain.
>
> However, on my layouts, I generally put at least 0.1" of trace between pads
> and planes, and I see absolutely no thermal effect.  The "thermals" should
> work fine.
>
>