Hi
I have used 60 mil pad dia with 32 mil hole design for
past 14 years. so far i did not come accross any
failure of the solder joint due to design error.
however i have found failures when i suppressed the
pads in the power plane where it was unconected, on
high frequency ECL design boards. hence i feel 60 mil
pad dia with 32 mil pad and unsuppressed pads in the
planes will give best reliability

regards james m paul

--- Jack Olson <[log in to unmask]> wrote:
> I never thought THAT coin would have two sides...
> HA!
> It isn't often that a response takes me totally
> by surprise.
> Thanks, that was a great one!
>
> sushi anyone?
> Jack
>
>
> --- [log in to unmask] wrote:
> > Jack-
> >
> > Sometimes a guy just wants a fish. Sometimes a guy
> > is just visiting the
> > coast and wants to try fish. You could give him
> one
> > or you could teach him
> > to fish. So he's gotta buy a hook and some line,
> > probably a rod and reel,
> > maybe some bait. Then he  has to learn how to bait
> > the hook. He has to
> > learn where and when they bite. Pretty soon he
> finds
> > he has to buy a boat
> > to do any good. So he decides he hates seafood
> > anyway and goes back to his
> > cattle ranch. But if you'd given him a fish, maybe
> > he'd-a liked it enough
> > to learn how to fish himself.
>
>
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