Conductive ink

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Conductive ink is an ink that is conductive, allowing a circuit to be drawn or printed on a variety of materials including paper. It usually contains powdered silver and carbon.

Conductive ink is a cheap way to print circuit boards on paper. Silver ink is used to improvise or repair circuits on circuit boards. Computer keyboards contain membranes with printed circuits that sense when a key is pressed. Windshield defrosters are also printed.

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