The University of Southampton
University of Southampton Institutional Repository

A microfabricated ultrasonic particle manipulator with frequency selectable nodal planes

Hill, M., Harris, N.R., Townsend, R.J., White, N.M. and Beeby, S.P. (2003) A microfabricated ultrasonic particle manipulator with frequency selectable nodal planes At World Congress on Ultrasonics. 07 - 10 Sep 2003. 4 pp, pp. 1647-1650.

Record type: Conference or Workshop Item (Paper)


Ultrasonic devices designed to manipulate particles rely on an ability to predict the nature of the standing wave within a resonator. The interaction between the properties of the layers within the resonator can generate standing waves that vary significantly from the classic rigid boundary model for half-wavelength resonances. A simple, two layer, model demonstrates the dependence of standing wave characteristics on the impedance of a reflecting boundary. A multi-layer model that includes a representation of the primary radiation forces on particles is then used to refine the resonator design and allow for interactions with the other layers. Both models predict that resonators with subwavelength critical dimensions can be designed with multiple modes each with pressure nodes at different positions. The models have been used to design a microfabricated resonator with modes that allow particles to be forced to either boundary of the fluid or to the fluid centre, depending on the operating frequency.

Full text not available from this repository.

More information

Published date: 2003
Venue - Dates: World Congress on Ultrasonics, 2003-09-07 - 2003-09-10


Local EPrints ID: 22541
PURE UUID: 2cbf7666-7c6c-4545-87ac-1876f48b080e
ORCID for M. Hill: ORCID iD
ORCID for N.R. Harris: ORCID iD
ORCID for N.M. White: ORCID iD
ORCID for S.P. Beeby: ORCID iD

Catalogue record

Date deposited: 30 May 2006
Last modified: 17 Jul 2017 16:21

Export record


Author: M. Hill ORCID iD
Author: N.R. Harris ORCID iD
Author: R.J. Townsend
Author: N.M. White ORCID iD
Author: S.P. Beeby ORCID iD

University divisions

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton:

ePrints Soton supports OAI 2.0 with a base URL of

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.