Sealing for microfluidic devices

Details Sealing for microfluidic devices Sealing for microfluidic devices

B - Operations, Transporting

01

J

B01J 19/00 (2006.01) B01L 3/00 (2006.01)

Patent

CA 2387064

Improved sealing for microstructures in microfluidic devices (100, 150) having a plurality of units (152) is provided by providing collars (104, 204) surrounding the openings (206) to the microstructures, such as reservoirs (208). The collars (104, 204) are protrusions extending from the surface (108, 202) of the devices (100, 150) and the internal walls (210) of the collars (104, 204) generally aligned with the internal walls (210) of the microstructure. Conformable and/or adhesive lids (218, 220) are employed for sealing the microstructures.

Obturation améliorée de microstructures situées dans des dispositifs(100, 150) microfluidiques possédant une pluralité d'unités (152), ce qui consiste à mettre en application des colliers (104, 204) entourant les ouvertures (206) de ces microstructures, telles que des réservoirs (208). Ces colliers (104, 204) consistent en des saillies s'étendant depuis la surface (108, 202) des dispositifs (100, 150) et les parois internes (210) de ces colliers (104, 204) sont généralement alignées sur les parois (210) internes de la microstructure. On utilise des couvercles (218, 220) adaptables et/ou adhésifs afin de fermer hermétiquement ces microstructures.

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