How to Solder copper wire to aluminum foil.

How to Solder copper wire to aluminum foil.

I will be making some disposable variable capacitors later today for some magnetic loop antennas.
This is also a useful technique to solder copper braid to an antenna.

I think you can use any oil. the important thing to remember is keeping Oxygen form the foil. You don’t want it to oxidize before you get the solder down.

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