Processes for rapid microfabrication using thermoplastics...

B - Operations – Transporting – 81 – C

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B81C 1/00 (2006.01) B81B 1/00 (2006.01) G01N 1/00 (2006.01) G01N 21/03 (2006.01)

Patent

CA 2705553

A method is provided to prepare one or more microfluidic channels on a receptive material by applying an image-forming material to a heat sensitive thermoplastic receptive material in a designed pattern and heating the material under conditions that reduce the size of the thermoplastic receptive material by at least about 60%. In an alternative aspect, the microfluidic channels on receptive material are prepared by etching a designed pattern into a heat sensitive thermoplastic material support and then heating the material under conditions that reduce the size of the thermoplastic receptive material by at least about 60%.

L'invention propose un procédé de préparation d'un ou plusieurs canaux à microfluide sur un matériau de réception en appliquant un matériau de formation d'image sur un matériau thermoplastique de réception sensible à la chaleur selon un motif donné, et en chauffant le matériau dans des conditions qui réduisent d'au moins environ 60 % la taille du matériau thermoplastique de réception. Dans une variante, les canaux à microfluide ménagés dans le matériau de réception sont préparés en gravant un motif donné dans un support en matériau thermoplastique sensible à la chaleur et en chauffant ensuite le matériau dans des conditions qui réduisent d'au moins environ 60 % la taille du matériau thermoplastique de réception.

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