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Communication

Paper-Based, Capacitive Touch Pads

  1. Aaron D. Mazzeo1,
  2. William B. Kalb1,
  3. Lawrence Chan1,
  4. Matthew G. Killian1,
  5. Jean-Francis Bloch2,
  6. Brian A. Mazzeo3,
  7. George M. Whitesides1,4,*

Article first published online: 27 APR 2012

DOI: 10.1002/adma.201200137

Issue

Advanced Materials

Advanced Materials

Volume 24, Issue 21, pages 2850–2856, June 5, 2012

Additional Information

How to Cite

Mazzeo, A. D., Kalb, W. B., Chan, L., Killian, M. G., Bloch, J.-F., Mazzeo, B. A. and Whitesides, G. M. (2012), Paper-Based, Capacitive Touch Pads. Adv. Mater., 24: 2850–2856. doi: 10.1002/adma.201200137

Author Information

  1. 1

    Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford St., Cambridge, MA 02138, USA

  2. 2

    Department of Papermaking Engineering - LGP2, Grenoble Institute of Technology, 461 rue de la Papeterie, BP65 - 38402 Saint Martin d'Hères, Cedex, France

  3. 3

    Department of Electrical and Computer Engineering, Brigham Young University, 459 Clyde Building, Provo, UT 84602, USA

  4. 4

    Wyss Institute for Biologically Inspired Engineering at Harvard University, 3 Blackfan Circle, Boston, MA 02115, USA

*Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford St., Cambridge, MA 02138, USA.

Publication History

  1. Issue published online: 30 MAY 2012
  2. Article first published online: 27 APR 2012
  3. Manuscript Received: 11 JAN 2012

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Keywords:

  • paper;
  • capacitance;
  • touch pads;
  • sensors;
  • flexible electronics
Thumbnail image of graphical abstract

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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