An electroplating shop might be cool and give you a small amount.
On Thu, Jun 11, 2020 at 1:37 PM Charlie Hansen <
n0tt1@...> wrote:
One might also check out the jewelry sellers on ""....I purchased
some VERY
tiny brass rivets on a site (sorry, no link...Google) and they also had
eyelets.
Charlie
On Thu, 11 Jun 2020 17:29:51 +0000 "Jim Higgins" <HigginsJ@...>
writes:
>
> Hypophosphites can be used in the manufacture of methamphetamine and
> some
> other controlled substances requiring similar reactions, so it's
> hard to get
> in the USA. No telling what you'll get from Asian vendors on Ebay,
> or if you
> risk seizure by customs. If you do order from them, you better
> specify DHL
> shipping or you might not have it before autumn.
>
> If the PCBs are only 2-sided, and you're willing to drill 0.062"
> holes, you
> might try brass eyelets available for this purpose from Mouser. The
> holes
> will be 0.045" when the eyelets are in place.
>
>
> Or solder copper wire in the holes... something I wouldn't want to
> do if
> there are many holes... but for a one of a kind home-made board
> that's the
> way I'd go if I could tolerate the required hole size.
>
> Jim H
>
>
>
> Received from Terry Gray at 6/10/2020 23:58 UTC:
>
> >Does anyone on the list have access to Calcium Hypophosphite?? This
> stuff is
> >impossible to find in the US, being a "controlled substance".? For
> crying
> >out loud. I really can't see the point considering the volumes we
> are
> >talking about!
> >
> >Alternatively, do any of you chemistry majors out there know of a
> substitute
> >formula using more easily available chemicals?
>
>
>
>
>
