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> Opry:The main reason i'm interested in PTH is for joining to inner layers
>
> There is no POINT in fussing with plated-through-holes for just a few holes
> that "must" be "plated through" or a few boards with a few such holes! The
> "tiny rivets" are the way to do those, where a "PTH" "MUST" go under an IC,
> etc. On those holes for resistors, etc., one can simply solder on the top
> AND bottom, and not need even the rivets.
>
> The only thing "magic" about PTH is, done professionally with
> "solder-plating", and all, they "wick" the solder nicely, so solder-joints
> are neater and use much less solder, and are electrically much, much more
> secure. But that's actually kinda "academic" if everything else is done
> neatly!