Process for fabricating a microfluidic device

Details Process for fabricating a microfluidic device Process for fabricating a microfluidic device

B - Operations, Transporting

81

B

B81B 1/00 (2006.01) B01L 3/00 (2006.01)

Patent

CA 2662884

The invention relates to a process for fabricating ~open~ microfluidic devices by screen printing. The process comprises the steps consisting in: a) depositing, by screen printing, a mixture of a glass precursor material, a glass-ceramic or a ceramic and of an organic medium on said substrate made of a material chosen from glass, glass-ceramic and ceramic in order to form at least one feature screen-printed in a desired pattern, each feature corresponding to a microfluidic device; and b) firing the screen-printed feature(s) at a temperature making it possible for the precursor material, by melting, to bond to the substrate. The subject of the invention is also a process for fabricating microfluidic devices that are ~closed off~ by a sheet of glass, glass-ceramic or ceramic.

L'invention concerne un procédé de fabrication de dispositifs microfluidiques <= ouverts >= par sérigraphie. Le procédé comprend les étapes consistant à a) déposer par sérigraphie un mélange d'un matériau précurseur de verre, d'une vitrocéramique ou d'une céramique, et d'un médium organique sur ledit substrat en un matériau choisi parmi le verre, la vitrocéramique et la céramique, pour former au moins un motif sérigraphié selon un modèle désiré, chaque motif correspondant à un dispositif microfluidique, et b) cuire le(s) motif(s) sérigraphié(s) à une température permettant de lier par fusion le matériau précurseur au substrat. Elle a également pour objet un procédé de dispositifs microfluidiques <= fermés >= par une feuille en verre, en vitrocéramique ou en céramique.

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