B - Operations – Transporting – 81 – B
Patent
B - Operations, Transporting
81
B
B81B 1/00 (2006.01) B01J 19/00 (2006.01) B01L 3/00 (2006.01) G01N 27/447 (2006.01)
Patent
CA 2304572
The present invention is generally directed to improved microfluidic devices (100), systems, and methods of using the same. In particular, the device and systems employ channels (408, 512) having, at least in part, depths that are varied to provide advantageous effects upon the flow rate of fluids in the channel. Typically, microscale channel (408, 512) has an aspect ratio (width/depth) less than or equal to about 1. Variation of the channel depth (408, 512) may be optimized depending upon the nature of the materials to be mixed.
L'invention concerne d'une manière générale des dispositifs microfluidiques améliorés (100), des systèmes de ce type, et des procédés relatifs à leur utilisation. En particulier, les dispositifs et les systèmes considérés sont équipés de canaux (408, 512) ayant, au moins en partie, des profondeurs variables, de manière à offrir certains effets avantageux liés au débit des fluides dans les canaux. Généralement, les canaux de petite échelle (408, 512) ont un rapport d'aspect (largeur/profondeur) inférieur ou égal à 1 environ. Il est possible d'optimiser la variation de profondeur des canaux (408, 512) suivant la nature des matériaux à mélanger.
Kopf-Sill Anne R.
Parce Wallace J.
Caliper Technologies Corporation
Fetherstonhaugh & Co.
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