Biosensor and method of making

Details Biosensor and method of making Biosensor and method of making

G - Physics

01

N

G01N 27/30 (2006.01) B23K 26/36 (2006.01) C12Q 1/00 (2006.01)

Patent

CA 2529430

An electrochemical biosensor (210) with electrode elements (274, 276) that possess smooth, high-quality edges (281, 283, 285, 287) with an edge definition better than 6~m. These smooth edges define gaps between electrodes, electrode traces and contact pads. Due to the remarkable edge smoothness achieved, the gaps can be quite small, which provides marked advantages in terms of test accuracy, speed and the number of different functionalities that can be packed into a single biosensor. Further, the present application provides a biosensor production method in which entire electrode patterns for the inventive biosensors can be formed all at one, in nanoseconds - without regard to the complexity of the electrode patterns or the amount of conductive material that must be ablated to form them.

L'invention concerne un biocapteur électrochimique comportant des éléments d'électrode présentant des bords lisses à haute qualité. Ces bords lisses définissent des espaces entre des électrodes, des rubans d'électrodes et des plages de contact. Le lissage de bord notable produit ainsi permet des espaces sensiblement petites, présentant des avantages importants de point de vue de précision d'essai, de vitesse et de la gamme de fonctionnalités pourvus sur un biocapteur. L'invention concerne de plus un procédé nouveau pour la production d'un biocapteur permettant le production entier des motifs d'électrode pour lesdits biocapteurs en nanosecondes indépendamment du complexité de motifs d'électrode ou la quantité de matériau conducteur à ablater pour leur production.

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