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Printed circuit boards
Printed circuit boards can be produced by a laser printer, and can even be made with carbon-based compounds.
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
Notes and references
- How to make PCBs with a laser printer, blog post, June 1, 2005.
- Faster Printable Circuits - A new polymer simplifies organic circuits, MIT's Technology Review, August 24, 2009 - carbon-based circuits.
- Xerox announces silver ink, keeps printable electronics dream alive, Engadget, October 29th 2009
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