Microfluidic device with network micro channels

Details Microfluidic device with network micro channels Microfluidic device with network micro channels

2007-06-12

2007-06-12

Noguerola, Alex (Department: 1753)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S403010, C204S416000, C204S409000, C422S091000, C422S105000

Reexamination Certificate

active

10661750

ABSTRACT:
A microfluidic device has a plurality of H-shaped micro channels not connected to each other and formed on a substrate. Each of the H-shaped micro channels comprises two main channels separately placed on two opposite sides in parallel and a plurality of sub-channels perpendicularly connected to the two main channels. The present invention is designed in such a way that various reagents dropped into different H-shaped micro channels are immobilized on respective sub-channels because of the different widths of the main channel and sub-channel. Afterwards the reagents are coated with a layer of polymer. The polymer has a porous structure that allows the passage of any sample to be tested. Finally, a plurality of upper channels parallel to one another are directly fabricated in the polymer, or in another layer of polymer stacked on the previous polymer.

REFERENCES:
patent: 6638404 (2003-10-01), Terashima et al.
patent: 6709559 (2004-03-01), Sundberg et al.
patent: 6974526 (2005-12-01), Lee et al.
patent: 2003/0003026 (2003-01-01), Parce et al.
patent: 2003/0215753 (2003-11-01), Tseng et al.

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