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Subject: Re: Aluminium base pcb

From: "Sebastian" <co8fs@...>
Date: 2012-10-09

Hey Guys

I did this before, use regular candle wax and a good soldering iron.
I used a 240w Weller gun.
thanks everybody.

Sebastian (K4BAC)

--- In Homebrew_PCBs@yahoogroups.com, Rogerio F Cunha <rogerio.cunha@...> wrote:
>
> The aluminium PCB is a kind of PCB where the aluminium takes place of
> the FRF-4. I think it receives a thin insulation layer and a
> conductive track over that.
> You can see many examples searching on the Internet. These kind of PCB
> is specially developed to solder high power leds.
>
>
> 2012/10/8, John <jferrell13@...>:
> >
> >
> > I don't understand what you are trying to do but I do have experience
> > soldering aluminum.
> >
> > I never use anything other than the flux that I normlly use for
> > soldering electrical connections to avoid tool contamination.
> >
> > The iron you use needs to supply enough heat to get the aluminum above
> > the melting point of solder. Rub the iron with some force to abrade the
> > aluminum oxide layer on the work WHILE applying a little solder to the
> > work. Once you get it tinned with a little solder you can connect to it
> > normally. Of course it does not hurt to clean up the aluminum with a
> > bit of scotch bright first, but the oxide layer forms fast.
> >
> > It takes a little practice, I suggest a soda can for practice.
> >
> >
> >
> > --- In Homebrew_PCBs@yahoogroups.com, Rogerio F Cunha
> > <rogerio.cunha@> wrote:
> >>
> >> Hi list,
> >>
> >> Hello List,
> >> Anyone has a idea how to produce a aluminium pcb over a virgin
> > aluminum
> >> board?
> >> I'm looking a way to home brew a pcb to solder some power leds that
> > are
> >> very sensitivy to thermal dissipation.
> >> By what I've seen, the companies applying some kind of metal deposit
> > over a
> >> virgin aluminium board, to permit soldering.
> >> Thanks.
> >> Roger.
> >>
> >>
> >> [Non-text portions of this message have been removed]
> >>
> >
> >
> >
> >
>