Next Article in Journal
Smartphone-Based Escalator Recognition for the Visually Impaired
Next Article in Special Issue
3D Printing-Based Integrated Water Quality Sensing System
Previous Article in Journal
Inspection and Reconstruction of Metal-Roof Deformation under Wind Pressure Based on Bend Sensors
Previous Article in Special Issue
Microfluidic EBG Sensor Based on Phase-Shift Method Realized Using 3D Printing Technology
Article Menu
Issue 5 (May) cover image

Export Article

Open AccessArticle
Sensors 2017, 17(5), 1056; doi:10.3390/s17051056

Inkjet-Printed Membrane for a Capacitive Acoustic Sensor: Development and Characterization Using Laser Vibrometer

1
Centre Microélectronique de Provence (CMP), École Nationale Supérieure des Mines de Saint-Étienne, 13541 Gardanne, France
2
Laboratoire de Mécanique et d’Acoustique UPR7051 CNRS, 4 impasse Nikola Tesla, CS 40006, 13453 Marseille Cedex 13, France
*
Authors to whom correspondence should be addressed.
Academic Editors: Jae-Won Choi and Erik D. Engeberg
Received: 5 April 2017 / Revised: 24 April 2017 / Accepted: 3 May 2017 / Published: 6 May 2017
(This article belongs to the Special Issue 3D Printed Sensors)
View Full-Text   |   Download PDF [6870 KB, uploaded 8 May 2017]   |  

Abstract

This paper describes the fabrication process and the method to determine the membrane tension and defects of an inkjet-printed circular diaphragm. The membrane tension is an important parameter to design and fabricate an acoustic sensor and resonator with the highest sensitivity and selectivity over a determined range of frequency. During this work, the diaphragms are fabricated by inkjet printing of conductive silver ink on pre-strained Mylar thin films, and the membrane tension is determined using the resonant frequency obtained from its measured surface velocity response to an acoustic excitation. The membrane is excited by an acoustic pressure generated by a loudspeaker, and its displacement (response) is acquired using a laser Doppler vibrometer (LDV). The response of the fabricated membrane demonstrates good correlation with the numerical result. However, the inkjet-printed membrane exhibits undesired peaks, which appeared to be due to defects at their boundaries as observed from the scanning mode of LDV. View Full-Text
Keywords: membrane; printed electronics; thin film; laser Doppler vibrometer membrane; printed electronics; thin film; laser Doppler vibrometer
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Haque, R.I.; Ogam, E.; Benaben, P.; Boddaert, X. Inkjet-Printed Membrane for a Capacitive Acoustic Sensor: Development and Characterization Using Laser Vibrometer. Sensors 2017, 17, 1056.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Sensors EISSN 1424-8220 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top