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Proceedings Paper

Microengineering of magnetic bearings and actuators
Author(s): Muralihar K. Ghantasala; LiJiang Qin; Dinesh K. Sood; Ronald B. Zmood
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Paper Abstract

Microengineering has evolved in the last decade as a subject of its own with the current research encompassing every possible area of devices from electromagnetic to optical and bio-micro electromechanical systems (MEMS). The primary advantage of the micro system technology is its small size, potential to produce high volume and low cost devices. However, the major impediments in the successful realization of many micro devices in practice are the reliability, packaging and integration with the existing microelectronics technology. Microengineering of actuators has recently grown tremendously due to its possible applicability to a wide range of devices of practical importance and the availability of a choice of materials. Selection of materials has been one of the important aspects of the design and fabrication of many micro system and actuators. This paper discusses the issues related to the selection of materials and subsequently their effect on the performance of the actuator. These will be discussed taking micro magnetic actuators and bearings, in particular, as examples. Fabrication and processing strategies and performance evaluation methods adopted will be described. Current status of the technology and projected futuristic applications in this area will be reviewed.

Paper Details

Date Published: 21 June 2000
PDF: 10 pages
Proc. SPIE 3990, Smart Structures and Materials 2000: Smart Electronics and MEMS, (21 June 2000); doi: 10.1117/12.388907
Show Author Affiliations
Muralihar K. Ghantasala, Royal Melbourne Institute of Technology (Australia)
LiJiang Qin, Royal Melbourne Institute of Technology (Australia)
Dinesh K. Sood, Royal Melbourne Institute of Technology (Australia)
Ronald B. Zmood, Royal Melbourne Institute of Technology (Israel)


Published in SPIE Proceedings Vol. 3990:
Smart Structures and Materials 2000: Smart Electronics and MEMS
Vijay K. Varadan, Editor(s)

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