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2014 Joint IEEE International Symposium on the Applications of Ferroelectric, International Workshop on Acoustic Transduction Materials and Devices & Workshop on Piezoresponse Force Microscopy

DOI: 10.1109/isaf.2014.6922972

2014 15th International Conference on Electronic Packaging Technology

DOI: 10.1109/icept.2014.6918723

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Using an Ultrasonic Transducer to Produce Tactile Rendering on a Touchscreen

Journal article published in 2014 by Frédéric Giraud, Michel Amberg, Christophe Giraud-Audine, Betty Lemaire-Semail
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Friction reduction based tactile devices use an ultrasonic vibration to create an overpressure between a user's fingertip and the vibrating surface. This phenomenon is called "the squeeze film effect". This is an emerging technology to produce a haptic feedback on the touchscreen of handheld electronic devices. In this paper, we present the technology and the main technological issues to be improved.