[sdiy] PTH vias

[Seb Francis]

Maybe ok to just close the hole on one side then?  I'm still trying to 
get an answer about this from my PCB house.  While they have been quite 
prompt at answering some other questions I had, they seem to be taking a 
long time to answer this one.


Michael Buchstaller wrote:
> All PCB houses that i have spoken about this did recommend
> against closing the via holes with soldermask, because moisture
> can be caught in the holes, and will use corrosion later down the
> road. When the holes are filled with either some type of "wax"
> plugging , this would not be a problem - filling with solder seems not
> to be possible in an industrial production process.
>
> -Michael
>
>
>
>