Abstract: An electrochemical glucose sensor comprising a base substrate, a conductive layer disposed on said base substrate, where said conductive layer comprises a reference electrode and at least two working electrodes; an insulation layer disposed on a part of said conductive layer, a reagent layer disposed on said working electrodes and on at least a part of said reference electrode, an adhesive layer disposed on a portion of said reagent layer and conductive layer wherein said adhesive layer substantially defines an area of said reference electrode which can be wetted by a liquid sample and said insulation layer substantially defines an area of said working electrodes which can be wetted by a liquid sample.

Abstract: The invention concerns a sensor that, when exposed to a fluid, develops a measurable characteristic that is a function of the level of an analyte in the fluid and of a calibration quantity of the sensor. A calibration quantity is some physical, chemical or other inherent property that the sensor possesses that affects its response to the analyte. The sensor includes an RFID tag that receives, stores and conveys information representing the calibration quantity. The wireless device is incorporated into or attached to the sensor during the manufacturing process and before the sensor is calibrated. The wireless device can be written wirelessly once the calibration has been done. This does not involve any additional handling of the sensor and can be done once the sensor has been placed into a protective enclosure.

Abstract: A sensor for performing an electrochemical test for an analyte in a sample comprising a substrate, a conductive layer disposed on said substrate, one conductive layer comprising a reference electrode and at least one working electrode; an insulation layer disposed on at least a part of said conductive layer so as to expose a portion of said conductive layer; a reagent layer covering at least a part of said exposed portion of said conductive layer; and an adhesive layer defining at least part of a wall of a sample receiving chamber and wherein said adhesive layer covers at least a portion of said reagent layer.