In order to limit electronic waste, researchers have come up with a new idea: using paper to make electronics.
Technology is incredible, but oftentimes it’s not exactly environmentally friendly — at least not when it comes to disposable electronics. That’s why researchers and scientists all over the globe try to figure out ways to limit electronic waste, and this time around, they may have found an unexpected solution in … paper.
Right now, PCBs are made from materials that are not eco-friendly at all, including resins, metal wiring, and glass fibers. Found in so many different kinds of electronics, these circuit boards — along with the devices they’re critical parts of — often end up in landfills, adding to the already immense amount of waste our planet has to deal with. Solutions are needed, and sometimes they’re more creative than one might expect.
The study comes with a quick diagram that shows how such a PCB could be made, and it looks simple enough despite being cutting-edge technology. The wax pattern is printed at first and then melted at 130 degrees Celsius in order to make it soak into the paper. Next, conductive ink is injected into the pattern, additional metal components are screen printed, through holes are cut out with a laser, and a gel-based electrolyte is added onto the sheet of paper.
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