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1. WO2006099454 - AVOIDANCE OF BOUNCING AND SPLASHING IN DROPLET-BASED FLUID TRANSPORT

Publication Number WO/2006/099454
Publication Date 21.09.2006
International Application No. PCT/US2006/009236
International Filing Date 14.03.2006
IPC
B01L 3/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
3Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
02Burettes; Pipettes
B41J 2/04 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005characterised by bringing liquid or particles selectively into contact with a printing material
01Ink jet
015characterised by the jet generation process
04generating single droplets or particles on demand
G01N 35/10 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
35Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/-G01N33/148; Handling materials therefor
10Devices for transferring samples to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
CPC
B01L 2300/0819
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
2300Additional constructional details
08Geometry, shape and general structure
0809rectangular shaped
0819Microarrays; Biochips
B01L 2300/0829
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
2300Additional constructional details
08Geometry, shape and general structure
0809rectangular shaped
0829Multi-well plates; Microtitration plates
B01L 2400/027
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
2400Moving or stopping fluids
02Drop detachment mechanisms of single droplets from nozzles or pins
027electrostatic forces between substrate and tip
B01L 2400/0415
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
2400Moving or stopping fluids
04Moving fluids with specific forces or mechanical means
0403specific forces
0415electrical forces, e.g. electrokinetic
B01L 2400/0436
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
2400Moving or stopping fluids
04Moving fluids with specific forces or mechanical means
0403specific forces
0433vibrational forces
0436acoustic forces, e.g. surface acoustic waves [SAW]
B01L 2400/0487
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
2400Moving or stopping fluids
04Moving fluids with specific forces or mechanical means
0475specific mechanical means and fluid pressure
0487fluid pressure, pneumatics
Applicants
  • LABCYTE INC. [US]/[US] (AllExceptUS)
  • STEARNS, Richard, G. [US]/[US] (UsOnly)
  • HINKSON, Stephen, J. [US]/[US] (UsOnly)
Inventors
  • STEARNS, Richard, G.
  • HINKSON, Stephen, J.
Agents
  • ROSE, Flavio, M.
Priority Data
11/080,02414.03.2005US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) AVOIDANCE OF BOUNCING AND SPLASHING IN DROPLET-BASED FLUID TRANSPORT
(FR) SYSTEME POUR EVITER LES A-COUPS ET LES PROJECTIONS DANS LE TRANSPORT DE FLUIDE GENERANT DES GOUTTELETTES
Abstract
(EN)
A system for fluid transport is provided where a quantity of fluid is held in a reservoir. A droplet generator is employed to generate droplets from the fluid, for example a nozzle-based system or a nozzleless system such as an acoustic ejection system. A generated droplet has a trajectory whereby it arrives at a target. A circuit is used to modify one or more characteristics of the generated droplet in a way which increases the likelihood that the droplet will not splash or bounce when it arrives at the target. The circuit may in different embodiments control the speed of the droplet or the Weber number of the droplet. The circuit may create an electric field in an area of space where the droplet passes. The circuit may change the droplet by causing it to contact ions.
(FR)
L'invention porte sur un système (11) de transport de fluide dans lequel une quantité de fluide est conservée dans un réservoir (13, 15). Un générateur de gouttelettes (33) est utilisé pour générer des gouttelettes de fluide, par exemple, un système à gicleur ou sans gicleur tel qu'un système d'éjection acoustique. La trajectoire d'une gouttelette générée (57) arrive jusqu'à une cible (49). Un circuit est utilisé pour modifier une ou plusieurs caractéristiques de la gouttelette générée de façon qu'on est davantage de certitude que la gouttelette ne fera pas d'éclaboussures à son arrivée sur la cible. Selon d'autres modes de mise en oeuvre, le circuit peut commander la vitesse de la gouttelette ou le nombre de Weber de la gouttelette. Le circuit peut créer un champ électrique dans l'espace où passe la gouttelette. Le circuit peut aussi modifier la gouttelette en la mettant en contact avec des ions.
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