Cartridge for a fluid sample analyser

Details Cartridge for a fluid sample analyser Cartridge for a fluid sample analyser

G - Physics

01

N

G01N 27/00 (2006.01)

Patent

CA 2664042

A cartridge is used in apparatus for analysing a sample comprising a fluid and has a sample receiving cell which receives the fluid for analysis. The cell comprises a surface on one of two housing parts (120; 200; 300; 102; 202; 302) and a sensor comprising an electrical- mechanical transducer (92; 240; 340) spaced from said surface. The sensor is attached to one of the housing parts by an adhesive membrane (100; 246; 346) wherein the membrane is attached only to one of said parts of housing so that any slight relative movement or flexing of the housing parts does not result in forces being applied to the sensor via the membrane.

L'invention concerne une cartouche qui est utilisée dans un appareil pour analyser un échantillon comportant un fluide et qui a un compartiment de réception d'échantillon qui reçoit le fluide pour l'analyse. Le compartiment comprend une surface sur l'une des deux parties du boîtier (120 ; 200 ; 300 ; 102 ; 202 ; 302) et un capteur comportant un transducteur électrique-mécanique (92 ; 240 ; 340) espacé de ladite surface. Le capteur est fixé à l'une des parties du boîtier par une membrane adhésive (100 ; 246 ; 346), la membrane étant fixée uniquement à l'une desdites parties du boîtier de telle sorte que tout léger mouvement relatif ou toute flexion relative des parties du boîtier ne conduit pas à des forces qui sont appliquées au capteur par l'intermédiaire de la membrane.

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