Patent · US Active

Lateral cavity acoustic transducer based microfluidic switch

US9517465B2 · kind B2 · utility

1Cited by

1References

9Claims

0Family size

Assignee

The Regents of the University of California · US

Inventors

Maulik Patel · Sparta, US
Armando Tovar · San Diego, US
Abraham P. Lee · Irvine, US

Key dates

Filing date	Sep 13, 2012
Grant date	Dec 13, 2016
Priority date	—
Expiry date	Sep 21, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T436/2575
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A microfluidic switching device that includes an upstream microfluidic channel configured to contain a liquid having particles therein and a plurality of outlet channels coupled to the upstream microfluidic channel at a junction. A dead-end side channel or LCAT is oriented generally perpendicular to the upstream microfluidic channel and coupled to the upstream microfluidic channel at the junction, the dead-end side channel having a gas contained therein. The device includes a transducer configured to apply an external source of acoustic energy. Actuation of the transducer effectuates symmetrical oscillation of a gas/liquid boundary at the junction. Preferably, the junction comprises a bifurcation with two outlets. Further, the LCAT has a leading edge and a trailing edge and wherein the trailing edge of the LCAT is substantially aligned with the bifurcation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.