Is it possible to plate thru holes on a pcb? How would you mask off
what you don't want plated?
Mike
--- In
Homebrew_PCBs@yahoogroups.com, "kilocycles" <kilocycles@y...>
wrote:
>
> Alan,
> Did you visit the web site of Caswell Plating.com? They do have
> non-cyanide-based electroless plating products, which are greater
in
> quantity and higher cost than what you need, but they also
have "Plug
> N' Plate" kits for copper, nickel, silver, chrome, gold, tin, etc.
> These kits consist of the plating solution, typically 8 oz., except
> for gold and silver, a conductive stainless steel wand, and cloth
> bandages that go on the end of he wand to wipe the plating element
on
> the board. If you do not need the power unit (4.5 volts' worth of
D
> alkaline batteries will work), the kits cost under $20, except for
> gold, which is $22. As I said before, I have the nickel plate kit.
>
> If you want long-term protection as a slight trade-off for silver
(and
> subsequently, silver oxide's) higher conductivity, go with gold,
which
> is 74 on the IACS conductivity scale (pure copper, 99.99% is 100,
the
> baseline for the standard, and silver is 103.
>
> For short-indeterminate duration, the existing bare copper coated
with
> lacquer will be the parsimonious solution. I've tried "Tinnit"
once,
> and found it not to be worth the trouble for most of my hobby
boards.
> My connections are being made with a tin-lead alloy, which as was
> mentioned is not exactly a superb conductor, but hopefully,
component
> leads aren't just floating in the solder alone and are in contact
with
> the copper on the board.
>
> Ted KX4OM
>
> --- In Homebrew_PCBs@yahoogroups.com, "alan00463" <alan00463@y...>
wrote:
> >
> > --- In Homebrew_PCBs@yahoogroups.com, "Steve" <alienrelics@y...>
wrote:
> > >
> > > --- In Homebrew_PCBs@yahoogroups.com, "Stefan Trethan"
> > > <stefan_trethan@g...> wrote:
> > > >
>