We propose novel printed technology solutions for the fabrication of electro-acoustic audio transducers. Flexible, transparent thermoacoustic (TA) loudspeakers are fabricated using spray coating of silver nanowires (AgNWs) on a 75 μ m thin polyimide substrate. The fabricated devices show interesting optical and electric properties for integration in audio systems. The thermal and the acoustic characterizations shows very good agreement with the models proposed in literature. The proposed technology achieves up to 40 dB SPL at 1m distance, retaining its properties even under large substrate deformations.
Printed Technology Solutions for Audio Transducers / Torraca, P. L.; Ricci, Y.; Albrecht, A.; Bobinger, M.; Pavan, P.; Cattani, L.; Becherer, M.; Lugli, P.; Larcher, L.. - In: PROCEEDINGS OF THE ... IEEE CONFERENCE ON NANOTECHNOLOGY. - ISSN 1944-9399. - 2018-:(2019), pp. 1-4. (Intervento presentato al convegno 18th International Conference on Nanotechnology, NANO 2018 tenutosi a University College Cork, irl nel 2018) [10.1109/NANO.2018.8626422].
Printed Technology Solutions for Audio Transducers
Ricci Y.;Pavan P.;Cattani L.;Larcher L.
2019
Abstract
We propose novel printed technology solutions for the fabrication of electro-acoustic audio transducers. Flexible, transparent thermoacoustic (TA) loudspeakers are fabricated using spray coating of silver nanowires (AgNWs) on a 75 μ m thin polyimide substrate. The fabricated devices show interesting optical and electric properties for integration in audio systems. The thermal and the acoustic characterizations shows very good agreement with the models proposed in literature. The proposed technology achieves up to 40 dB SPL at 1m distance, retaining its properties even under large substrate deformations.
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