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Aaron D. Mazzeo, William B. Kalb, Lawrence Chan, Matthew G. Killian, Jean-Francis Bloch, Brian A. Mazzeo and George M. Whitesides Paper-Based, Capacitive Touch Pads Advanced Materials 24

Article first published online: 27 APR 2012 | DOI: 10.1002/adma.201200137

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Metallized paper is patterned to create touch pads of arrayed buttons that are sensitive to contact with both bare and gloved fingers. The paper-based keypad detects the change in capacitance associated with the touch of a finger to one of its buttons. Mounted on an alarmed cardboard box, the keypad requires the appropriate sequence of touches to disarm the system.

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