Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/2472
DC Field | Value | Language |
---|---|---|
dc.contributor | Department of Applied Physics | - |
dc.contributor | Materials Research Centre | - |
dc.creator | Lam, KH | - |
dc.creator | Sun, C | - |
dc.creator | Kwok, KW | - |
dc.creator | Chan, HLW | - |
dc.date.accessioned | 2014-12-11T08:22:32Z | - |
dc.date.available | 2014-12-11T08:22:32Z | - |
dc.identifier.issn | 0034-6748 | - |
dc.identifier.uri | http://hdl.handle.net/10397/2472 | - |
dc.language.iso | en | en_US |
dc.publisher | American Institute of Physics | en_US |
dc.rights | © 2009 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in K.H. Lam et al., Rev. Sci. Instrum. 80, 075110 (2009) and may be found at http://link.aip.org/link/?rsi/80/075110 | en_US |
dc.subject | Piezoceramicsors | en_US |
dc.subject | Piezoelectric actuators | en_US |
dc.title | Piezoelectric dispenser based on a piezoelectric-metal-cavity actuator | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.description.otherinformation | Author name used in this publication: K. H. Lam | en_US |
dc.description.otherinformation | Author name used in this publication: C. L. Sun | en_US |
dc.description.otherinformation | Author name used in this publication: K. W. Kwok | en_US |
dc.description.otherinformation | Author name used in this publication: H. L. W. Chan | en_US |
dc.identifier.spage | 1 | - |
dc.identifier.epage | 3 | - |
dc.identifier.volume | 80 | - |
dc.identifier.issue | 7 | - |
dc.identifier.doi | 10.1063/1.3187220 | - |
dcterms.abstract | A piezoelectric dispenser has been fabricated based on the idea of a piezoelectric-metal-cavity (PMC) actuator. The PMC actuator consists of a metal ring sandwiched between two identical piezoelectric unimorphs. The radial contraction of the piezoelectric ceramic is converted into a flextensional motion of the unimorph, causing a large flexural displacement in the center part of the actuator. With the PMC actuator as a fluid chamber, the large flexural actuation can be used to produce the displacement needed to eject fluid. By applying an appropriate voltage to the piezoelectric unimorphs, a drop-on-demand ejection of ink or water can be achieved. The efficiency of fluid ejection can be enhanced after installing a valve in the fluid chamber. With the simple PMC structure, the dispenser can be operated with a low driving voltage of 12–15 V. | - |
dcterms.accessRights | open access | en_US |
dcterms.bibliographicCitation | Review of scientific instruments, July 2009, v. 80, no. 7, 075110, p. 1-3 | - |
dcterms.isPartOf | Review of scientific instruments | - |
dcterms.issued | 2009-07 | - |
dc.identifier.isi | WOS:000268615700049 | - |
dc.identifier.scopus | 2-s2.0-68949090175 | - |
dc.identifier.eissn | 1089-7623 | - |
dc.identifier.rosgroupid | r45432 | - |
dc.description.ros | 2009-2010 > Academic research: refereed > Publication in refereed journal | - |
dc.description.oa | Version of Record | en_US |
dc.identifier.FolderNumber | OA_IR/PIRA | en_US |
dc.description.pubStatus | Published | en_US |
Appears in Collections: | Journal/Magazine Article |
Files in This Item:
File | Description | Size | Format | |
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RevSciInstrum_80_075110.pdf | 346.16 kB | Adobe PDF | View/Open |
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