Micro-valve and micro-fluidic device using such

Details Micro-valve and micro-fluidic device using such Micro-valve and micro-fluidic device using such

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 99/00 (2006.01)

Patent

CA 2752481

A micro-valve (10) adapted for integration with a micro-fluidic device such as a micro-injector of a chromatograph, the micro-valve having a first substrate (12), a second substrate (14) having microconduits (36,38) and a seating surface (30), and an actuation membrane (16)positioned between the first substrate (12) and the second substrate (14) for opening or closing a fluid path (48) of the micro-valve (10) under a force applied by a mechanism such as a pneumatic or piezoelectric device, wherein said actuation membrane (16) is constructed from a poly(aryl ether ketone).

L'invention concerne une micro-vanne (10), conçue pour être intégrée à un dispositif microfluidique du type micro-injecteur de chromatographe, comprenant un premier substrat (12), un deuxième substrat (14) à micro-conduits (36, 38) et surface (30) d'appui, et une membrane (16) d'actionnement entre le premier substrat (12) et le deuxième substrat (14) afin d'ouvrir ou de fermer un passage (48) de fluide de la micro-vanne (10) sous l'effet d'une force appliquée par un mécanisme du type dispositif pneumatique ou piézoélectrique; cette membrane (16) d'actionnement est en poly(aryl éther cétone).

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