G - Physics – 01 – N
Patent
G - Physics
01
N
73/103, 26/201
G01N 1/10 (2006.01) G01N 11/02 (2006.01) G01N 21/17 (2006.01) G01N 25/18 (2006.01) G01N 27/22 (2006.01) G01N 21/41 (2006.01) G01N 21/85 (2006.01) G01N 30/60 (2006.01)
Patent
CA 1290958
A B S T R A C T The invention discloses the construction of a channel device for the recording of thermal conductivity, viscosity, density, dielectric constant, ect. of liquids and/or gases (sample), where the sample is directed through a measuring channel, with at least one inlet and one outlet orifice, containing at least one sensor unit and is characterized in that a measuring channel is established by the substrate and a layer, forming a wall, which is arranged in a certain, predetermined distance and fabricated ie. by evaporation, spin on, sputtering, drop on, ect. procedures, where the layers can consist of synthetic resin, glass, ceramic, ect. and in that measuring units are deposited in layers in and/or on the substrate and/or in and/or on the wall forming layer. The invention also discloses the fabrication procedure for the channel device, characterized in that a dissolvable substance (ie. photoresist, syntethic resin, ect.) is deposited on a substrate, forming the inside of the measuring channel, on top of which a wall forming layer is deposited (by ie. spin on, drop on, evaporation, etc. techniques) where the layer not only covers at least part of the dissolvable substance but also at least a part of the substrate. The wall forming layer adheres well on the substrate and forms the measuring channel together with the substrate. The dissolvable substance can be dissolved and removed through the inlet and/or outlet orifices of the measuring channel. The invention discloses furthermore a tube connection, characterized in that at least one tube, which can be connected with the substrate ie. by gravity forces, glue, ect. is covered by a layer, formed by drop on, evaporaton, sputtering, spin on, ect. procedures and which forms a tight seal with the tube and the substrate. The tube ending is kept open by the layer that, together with the substrate, forms a cavity which represents a continuation of the tube. The invention also discloses the fabrication procedure of the tube connector, characterized in that on a substrate and at least one tube, which can be connected to the substrate, ie. by a glue, a dissolvable substance, ie. photoresist, synthetic resin, ect. is deposited forming a continuation of the tube. A layer is deposited on top of at least part of the dissolvable substance and on at least part of the tube and at least part of the substrate by ie. drop on, sputtering, spin on, etc. techniques which is tightly adhering on the tube and substrate; afterwards, the dissolvable substance is dissolved and removed through the tube or the orifice of the tube continuation, which is formed by the layer and the substrate.
524723
Fetherstonhaugh & Co.
Ottosensors Corporation
Prohaska Otto J.
LandOfFree
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