Improved ultrasonic micro array separation using far field ultrasonic excitation
Author
Editor
- Jean-Louis Viovy
- Patrick Tabeling
- Stephanie Descroix
- Laurent Malaquin
Summary, in English
This paper reports improved separation efficiency of an ultrasonic standing wave separator microchannel array by means of ultrasonic far field excitation. By putting an aluminium spacer between the transducer and the channel array, the acoustic power transmission region is moved into the ultrasonic far field decreasing the local intensity variations which is induced in close vicinity to the transducer. This generates a more stable acoustic separation, which enables better separation performance and higher separation efficiency.
Department/s
Publishing year
2007
Language
English
Pages
1417-1419
Publication/Series
[Host publication title missing]
Volume
2
Document type
Conference paper
Topic
- Medical Engineering
Keywords
- microfluidics
- ultrasound
- separation
- far field
Conference name
Micro Total Analysis Systems 2007
Conference date
2007-10-07 - 2007-10-11
Status
Published
ISBN/ISSN/Other
- ISBN: 978-0-9798064-0-7