Friday, August 26, 2011

First attempt at depositing copper

For the first attempt at depositing copper I went with the classic copper deposit on coin experiment.


Depositing copper on coin

I did this so that I could work out good settings for the voltage/current. This test was successful, and I did a test to if the conductivity of the deposited copper was low enough for making a PCB.



Measuring conductivity of flaked off copper


The Popular Mechanics article required carbon powder to be put on the non-conductive object to give a base conductivity for the first ions of copper to bind to. As I didn't have any carbon powder I tried grinding up a pencil, and rubbing it onto the sticky side of masking tape. After about 30 mins of plating the masking tape had a deposit of copper, and the conductivity across the tape was still perfect.

For the next test I will get some carbon powder and follow the Popular Mechanics article exactly

Tags: arduino_grapher pcb electronics

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