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ELECTRONICS July 12, 2017 Harmless elements can replace toxic lead in electronics
By: Loknath DasHenrik Soensteby holds a silicon wafer covered with a thin film consisting of sodium, potassium, niobium and oxygen. The colors are caused by unintentional thickness variations. Credit: Bjarne Roesjoe/UiO Most smartphones and other electrical or electronic products contain small amounts of lead, which doesn’t sound like a big problem on its own. But when there […]
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