Improved ultrasonic micro array separation using far field ultrasonic excitation
Författare
Redaktör
- 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.
Avdelning/ar
Publiceringsår
2007
Språk
Engelska
Sidor
1417-1419
Publikation/Tidskrift/Serie
[Host publication title missing]
Volym
2
Dokumenttyp
Konferensbidrag
Ämne
- Medical Engineering
Nyckelord
- microfluidics
- ultrasound
- separation
- far field
Conference name
Micro Total Analysis Systems 2007
Conference date
2007-10-07 - 2007-10-11
Status
Published
ISBN/ISSN/Övrigt
- ISBN: 978-0-9798064-0-7