Paper-based, capacitive touch pads

Aaron D Mazzeo; William B Kalb; Lawrence Chan; Matthew G Killian; Jean-Francis Bloch; Brian A Mazzeo; George M Whitesides

doi:10.1002/adma.201200137

Paper-based, capacitive touch pads

Adv Mater. 2012 Jun 5;24(21):2850-6. doi: 10.1002/adma.201200137. Epub 2012 Apr 27.

Authors

Aaron D Mazzeo¹, William B Kalb, Lawrence Chan, Matthew G Killian, Jean-Francis Bloch, Brian A Mazzeo, George M Whitesides

Affiliation

¹ Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, USA.

PMID: 22539155
DOI: 10.1002/adma.201200137

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.

Publication types

Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

Aluminum / chemistry
Cellulose / chemistry
Electric Capacitance
Electronics*
Metals / chemistry
Paper*

Substances

Metals
Cellulose
Aluminum