US 8,293,193 B2 · Microfluidic component with a channel filled with nanotubes and method for its production

Abstract

A microfluidic component comprises at least one channel (2) delineated by a top wall (6) and a bottom wall (3) and two opposite side walls (4, 5). The distance (P) between the top wall (6) and the bottom wall (3) of the channel (2) is greater than or equal to 25 micrometers and first and second sets of nanotubes (9a, 9b) are respectively borne by the two opposite side walls (4, 5) for the component to present a particularly high ratio between the contact surface and the available volume and a limited overall surface size. In addition, the distance between the two opposite side walls (4, 5) is about a few micrometers and preferably comprised between 3 and 5 micrometers.

Claims14

Dependent claims

A microfluidic component comprising at least one channel delineated by a top wall, a bottom wall and two opposite side walls,

wherein a distance between the top wall and the bottom wall is greater than or equal to 25 micrometers, and a distance between the two opposite side walls is about a few micrometers,
first and second sets of nanotubes are respectively borne by the opposite side walls, the opposite side walls each comprising a plurality of droplets of metal catalyst acting as seeds for growth of nanotubes so that most free ends of the nanotubes of the first set are in contact with free ends of the nanotubes of the second set so as to fill said channel, and the nanotubes have a length less than or equal to 3 micrometers.

Dependencies are inferred from the claim text.

Facts

Application

11/918,664Filed 11 May 2006

Priority

FR 05 0491917 May 2005

Published

US 2009/0060788 A15 Mar 2009

Granted

23 Oct 2012

Term ends

Not estimatedThe source records don’t support an estimate.

Classification19 codes

B01J 19/0093
Chemical, physical or physico-chemical processes in general; Their relevant apparatus: microreactors, e.g. miniaturised or microfabricated reactors
B01F 33/30
Other mixers; Mixing plants; Combinations of mixers: micromixers
B01F 33/3038
Micromixers: using ciliary stirrers to move or stir the fluids
B01J 20/205
Comprising free carbon; comprising carbon obtained by carbonising processes: carbon nanostructures, e.g. nanotubes, nanohorns, nanocones, nanoballs

Microfluidic component with a channel filled with nanotubes and method for its production

Life of this patent

Microfluidic component with a channel filled with nanotubes and method for its production

Life of this patent

Abstract

Claims14