Printed circuit boards

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Printed circuit boards can be produced by a laser printer, and can even be made with carbon-based compounds.[1]

They are not yet competitive in cost and functionality with mass-produced circuit boards, but they offer hope that computers can be produced without mining, and in particular without conflict mineralsW such as tantalum.W


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  1. I.e. organic compoundsW in the chemistry sense of carbon-based - not to be confused with "organic farming."

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