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Micromanifold assembly

United States Patent

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8,163,254
April 24, 2012
View the Complete Patent at the US Patent & Trademark Office
Microfluidic Devices
A micromanifold for connecting external capillaries to the inlet and/or outlet ports of a microfluidic device can employ a ferrule/capillary assembly that includes: (a) a ferrule comprising an elongated member and having a bore traversing from a proximal end to a distal end of the member, wherein the bore has an inner surface and wherein the distal end of the ferrule has a tapered, threaded exterior surface, and (b) a capillary that is positioned within the bore wherein the capillary's outer surface is in direct contact with the bore's inner surface. No mating sleeve is required for the one-piece ferrule. Alternatively, the capillaries can be bonded to channels that traverse the manifold and therefore obviate the need for a ferrule.
12/ 476,002
June 1, 2009
422/502422/500422/501422/503422/504422/512
B01L 3/00 (20060101)B01L 3/02 (20060101)
;422/512,500-504
STATEMENT OF GOVERNMENT SUPPORT This invention was made with Government support under Contract No. DE-AC04-94AL85000 awarded by the U.S. Department of Energy to Sandia Corporation. The Government has certain rights to the invention.