Parametric simulations of a micromachined mesoscopic acoustic speaker

Fatima Lina Ayatollahi, Burhanuddin Yeop Majlis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

This paper presents parametric simulations of a micromachined mesoscopic acoustic speaker for hearing aid applications. The microspeaker has a single turn copper coil on a polyimide membrane, and a NdFeB permanent magnet beneath the membrane. The fields due to the permanent magnet were computed using FEMM. Then, forces based on the fields and on the coil driving current were computed. Finally, IntelliSuite was employed to simulate membrane displacements and stresses. The device, with a polyimide membrane diameter of 2.5 mm and thickness of 2 μm, consumes 0.1 mW to generate a sound pressure level of 120 dB in the human ear.

Original languageEnglish
Title of host publicationIEEE International Conference on Semiconductor Electronics, Proceedings, ICSE
Pages193-197
Number of pages5
DOIs
Publication statusPublished - 2008
Event2008 IEEE International Conference on Semiconductor Electronics, ICSE 2008 - Johor Bahru, Johor
Duration: 25 Nov 200827 Nov 2008

Other

Other2008 IEEE International Conference on Semiconductor Electronics, ICSE 2008
CityJohor Bahru, Johor
Period25/11/0827/11/08

Fingerprint

Acoustics
Membranes
Polyimides
Permanent magnets
Hearing aids
Copper
Acoustic waves

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

Cite this

Ayatollahi, F. L., & Yeop Majlis, B. (2008). Parametric simulations of a micromachined mesoscopic acoustic speaker. In IEEE International Conference on Semiconductor Electronics, Proceedings, ICSE (pp. 193-197). [4770306] https://doi.org/10.1109/SMELEC.2008.4770306

Parametric simulations of a micromachined mesoscopic acoustic speaker. / Ayatollahi, Fatima Lina; Yeop Majlis, Burhanuddin.

IEEE International Conference on Semiconductor Electronics, Proceedings, ICSE. 2008. p. 193-197 4770306.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ayatollahi, FL & Yeop Majlis, B 2008, Parametric simulations of a micromachined mesoscopic acoustic speaker. in IEEE International Conference on Semiconductor Electronics, Proceedings, ICSE., 4770306, pp. 193-197, 2008 IEEE International Conference on Semiconductor Electronics, ICSE 2008, Johor Bahru, Johor, 25/11/08. https://doi.org/10.1109/SMELEC.2008.4770306
Ayatollahi FL, Yeop Majlis B. Parametric simulations of a micromachined mesoscopic acoustic speaker. In IEEE International Conference on Semiconductor Electronics, Proceedings, ICSE. 2008. p. 193-197. 4770306 https://doi.org/10.1109/SMELEC.2008.4770306
Ayatollahi, Fatima Lina ; Yeop Majlis, Burhanuddin. / Parametric simulations of a micromachined mesoscopic acoustic speaker. IEEE International Conference on Semiconductor Electronics, Proceedings, ICSE. 2008. pp. 193-197
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