A comparative study based on classical and newer piezoelectric materials based unimorph actuators for Hard Disk Drive

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dc.contributor.authorWattananukulchai, Parinya
dc.contributor.authorIsarakorn, Don
dc.date.accessioned2026-08-06T10:16:06Z
dc.date.available2026-08-06T10:16:06Z
dc.date.issued2017-02-08
dc.description.abstractThe piezoelectric actuator technology for moving the read-write head of Hard Disk Drive (HDD) is very important and widely used. Advanced high-performance technologies for the actuator and servo control are required in order to achieve not only accurate positioning control on data tracks but also high-speed access onto another data track. There is strong demand for hard disk drives with high-speed access performance, which generally requires actuators with a wider servo bandwidth. This paper focuses on the comparative piezoelectric materials based unimorph actuators with classical piezo (Poly crystalline PZT) and newer piezo (Single-crystalline PMN-PT) ceramics. The advantages of piezoelectric materials in terms of mechanical and electrical characteristics aiming at a useful compromise performance displacement and resonant frequency are studied and analyzed.
dc.identifier.citationIEEE Region 10 Annual International Conference Proceedings TENCON, 3464-3467, 2017
dc.identifier.doi10.1109/TENCON.2016.7848698
dc.identifier.issn21593442
dc.identifier.other2-s2.0-85015426982
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/7493
dc.sourceIEEE Region 10 Annual International Conference Proceedings TENCON
dc.subjectHDD
dc.subjectPMN-PT
dc.subjectPZT
dc.subjectUnimorph actuators
dc.titleA comparative study based on classical and newer piezoelectric materials based unimorph actuators for Hard Disk Drive
dc.typeConference Paper

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