Re: gEDA-user: Help ordering pcb

[Dave McGuire <mcguire@xxxxxxxxxxxxx>]

On Aug 1, 2008, at 5:56 PM, Dan McMahill wrote:
> But don't do that if you plan on wave soldering your board or you'll
> solder your mounting holes shut.  But if this is for a home board  
> it is
> extremely unlikely that you have a wave solder system.  Yeah, I know
> someone, perhaps Mr. McGuire, will pipe in that they have one :)

   Not yet, but I'm working on it. ;)

> There are a few other special cases where you might not want to do  
> that.
>   Some crystals and also SAW filters come in packages that are metal
> cans.  Often times you want an unplated hole and an opposite side  
> pad to
> avoid shorting to the package depending on how the thing lines up  
> and if
> there is some wicking of solder in the hole.

   Most of those have little plastic bumpers on them these days,  
though, don't they?

           -Dave

-- 
Dave McGuire
Port Charlotte, FL




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