Fluidics apparatus for surface acoustic wave manipulation of fluid samples, use of fluidics apparatus and process for the manufacture of fluidics apparatus

摘要

A fluidics apparatus for manipulation of at least one fluid sample is disclosed. A manipulation surface locates the fluid sample. A surface acoustic wave (SAW) generation material layer is provided. This is a polycrystalline material, textured polycrystalline material, biaxially textured polycrystalline material, microcrystalline material, nanocrystalline material, amorphous material or composite material. A transducer electrode structure arranged at the SAW generation material layer provides SAWs at the manipulation surface for interaction with the fluid sample. The manipulation surface has a phononic structure, for affecting the transmission, distribution and/or behavior of SAWs at the manipulation surface. The apparatus is typically manufactured by reel-to-reel processes, to reduce the unit cost to a level at which the apparatus can be considered to be disposable after a single use.

主权项

1. A fluidics apparatus for manipulation of at least one fluid sample, the apparatus including: a manipulation surface for location of the fluid sample; a surface acoustic wave (SAW) generation material layer, wherein either: the material of the SAW generation material layer is selected from the group consisting of: polycrystalline material, textured polycrystalline material, biaxially textured polycrystalline material, microcrystalline material, nanocrystalline material, amorphous material and composite material, or the SAW generation material layer is not in the form of a single crystal layer; and a transducer electrode structure arranged at the SAW generation material layer to provide SAWs at the manipulation surface for interaction with the fluid sample, wherein the manipulation surface comprises a plurality of surface acoustic wave (SAW) scattering elements for affecting the transmission, distribution and/or behaviour of SAWs at the manipulation surface, said plurality of surface acoustic wave (SAW) scattering elements comprising a two dimensional periodic arrangement, and wherein the plurality of SAW scattering elements extends at least partially into the SAW generation material layer and intersects with the surface of the SAW generation material layer.