Homebrew PCBs

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]
>>
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