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Electrostatic graphene speaker

Patent ·
OSTI ID:1892628
This disclosure provides systems, methods, and device associated with an electrostatically driven graphene speaker. In one aspect, the device includes a graphene membrane having a diameter of about 3 millimeters to about 11 millimeters, and a first electrode proximate a first side of the graphene membrane, the first electrode being electrically conductive. The device is a microphone or a loudspeaker.
Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE; National Science Foundation (NSF); US Office of Naval Research (ONR)
DOE Contract Number:
AC02-05CH11231
Assignee:
The Regents of the University of California (Oakland, CA)
Patent Number(s):
11,252,512
Application Number:
16/993,882
OSTI ID:
1892628
Country of Publication:
United States
Language:
English

References (23)

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Flexible and transparent graphene films as acoustic actuator electrodes using inkjet printing journal January 2011
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Performance of monolayer graphene nanomechanical resonators with electrical readout journal September 2009
Graphene-on-Paper Sound Source Devices journal May 2011
Electrostatic graphene loudspeaker journal June 2013
Electromechanical Resonators from Graphene Sheets journal January 2007

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