Electrode assembly

Details Electrode assembly Electrode assembly

G - Physics

01

N

G01N 15/10 (2006.01) G01N 15/12 (2006.01) G01N 27/403 (2006.01)

Patent

CA 2240579

An electrode assembly (1) for resistive pulse spectroscopy comprises two flat electrodes (3) substantially equal in size and shape and supported in face-to-face, parallel relationship of one another, and a plate-like fluid- tight insulator (2) positioned between the electrodes and extended beyond the periphery of the electrodes with the electrodes (3) being fixed to the insulator (2). Each electrode has a hole (4) extending through the electrode in a central region thereof (4), the holes (4) of the two electrodes (3) being aligned with one another. The insulator (2) has a cavity (5) which receives an initially separate element (40) having a preformed aperture (16) therein which is located substantially centrally with respect to the holes (4) in the electrodes (3) and has a smaller diameter than the said holes, the aperture (16) being located such as to allow a flow of liquid to pass therethrough and through the holes in the electrode.

Ensemble électrode (1) pour spectroscopie impulsionnelle à effet résistif comprenant deux électrodes plates (3) de taille et de forme pratiquement égales et supportées face-à-face, parallèles, et un isolateur (2) étanche aux fluides, analogue à une plaque, positionné entre les électrodes et s'étendant au-delà de la périphérie des électrodes (3) fixées à l'isolateur (2). Chaque électrode comporte un trou (4) traversant leur région centrale respective, les trous (4) des deux électrodes se trouvant dans l'alignement l'un de l'autre. L'isolateur (2) possède une cavité (5) qui reçoit un élément initialement séparé (40) dont l'ouverture préformée (16) se trouve pratiquement au centre par rapport aux trous (4) des électrodes (3), et qui a un diamètre plus petit que les trous, l'ouverture (16) étant positionnée de façon à ce qu'un écoulement de fluide puisse la traverser et passer par les trous de l'électrode.

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