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Proceedings Paper

Displacement Measurement System For Implantable Hearing Aid
Author(s): Rongxiang Zhang; Wen H Ko; Anthony J Maniglia
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Paper Abstract

An optoelectronic system for measuring vibrational amplitudes below one micron has been developed. It was used to determine the microvibrational characteristics of the ossicles elicited by a prototype stimulator of an implantable middle ear hearing aid and the vibrational amplitude of a piezo-minifilm or silicon minidiaphragm of an implantable microphone design. Using a laser as light source a resolution of .005 micron was reached. Practical design using commercially available devices are surveyed.

Paper Details

Date Published: 8 April 1988
PDF: 8 pages
Proc. SPIE 0904, Microsensors and Catheter-Based Imaging Technology, (8 April 1988); doi: 10.1117/12.945233
Show Author Affiliations
Rongxiang Zhang, Case Western Reserve University (United States)
Wen H Ko, Case Western Reserve University (United States)
Anthony J Maniglia, Case Western Reserve University (United States)


Published in SPIE Proceedings Vol. 0904:
Microsensors and Catheter-Based Imaging Technology
Alan I. West, Editor(s)

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