The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 23, 2019

Filed:

Jun. 22, 2012
Applicants:

Leslie Yu-ming Yeo, Victoria, AU;

Peggy Chan, Melbourne, AU;

Nicholas Glass, Woolloongabba, AU;

Richard Shilton, Pisa, IT;

Inventors:

James Friend, Victoria, AU;

Leslie Yu-Ming Yeo, Victoria, AU;

Peggy Chan, Melbourne, AU;

Nicholas Glass, Woolloongabba, AU;

Richard Shilton, Pisa, IT;

Assignee:

Royal Melbourne Institute of Technology, Melbourne, Victoria, AU;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F 7/00 (2006.01); B01L 3/00 (2006.01); B81B 7/02 (2006.01); B81C 1/00 (2006.01); B01D 21/28 (2006.01); B01F 11/02 (2006.01); B01F 13/00 (2006.01); B01F 15/00 (2006.01); B01J 19/00 (2006.01); F16K 99/00 (2006.01); G01N 21/07 (2006.01);
U.S. Cl.
CPC ...
B01D 21/28 (2013.01); B01F 7/00308 (2013.01); B01F 11/0266 (2013.01); B01F 13/0001 (2013.01); B01F 13/0059 (2013.01); B01F 15/00493 (2013.01); B01J 19/0093 (2013.01); B01L 3/50273 (2013.01); B81B 7/02 (2013.01); B81C 1/00714 (2013.01); F16K 99/0063 (2013.01); G01N 21/07 (2013.01); B01J 2219/00889 (2013.01); B01J 2219/00932 (2013.01); B01L 2300/0803 (2013.01); B01L 2300/161 (2013.01); B01L 2400/0409 (2013.01); B01L 2400/0436 (2013.01); F16K 2099/0084 (2013.01); Y10T 137/0391 (2015.04); Y10T 137/206 (2015.04);
Abstract

Disclosed is a centrifugal microfluidic device comprising a piezoelectric substrate; a rotatable platform device on the substrate; and at least one transducer on the substrate, the transducer being configured to generate a surface acoustic wave that propagates on the surface of the substrate and contacts the rotatable platform device asymmetrically to transfer energy thereto with a lateral distribution to cause rotation of the rotatable platform device. The device may be a microfluidic valve, a microfluidic mixer or a microfluidic particle concentrator.


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