An Ultrasound-actuated Micropump that Uses One-Way Membrane as Nozzle-Diffuser

Chen Chao, Ching Hsiang Cheng, Zongbin Liu, Mo Yang, Woon Fong Leung

Research output: Journal article publicationConference articleAcademic researchpeer-review


In this paper, we study a nozzle-diffuser micropump is actuated by ultrasound waves. The nozzle-diffuser is made a nanoporous one-way membrane. The micropump was by enclosing the nanoporous membrane into a PMMA chamber. Once immersed into ultrasonic water bath, the can continuously pump the water through the one-way . This device is ideal for future implantable drug system that can be remotely controlled by ultrasound .
Original languageEnglish
Article number4803532
Pages (from-to)521-524
Number of pages4
JournalProceedings - IEEE Ultrasonics Symposium
Publication statusPublished - 1 Dec 2008
Event2008 IEEE International Ultrasonics Symposium, IUS 2008 - Beijing, China
Duration: 2 Nov 20085 Nov 2008


  • Corner reflection
  • Multipath interference
  • Ultrasonic ranging

ASJC Scopus subject areas

  • Acoustics and Ultrasonics


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