The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 02, 2003
Filed:
Mar. 03, 2000
Gregor Steiner, Graz, AT;
Bernhard Schaffar, Graz, AT;
Marie-Luise Schinnerl, Semriach, AT;
Christoph Ritter, Graz, AT;
F. Hoffmann-La Roche AG, Basel, CH;
Abstract
An electrochemical sensor includes an electrochemically active sensor layer (sensor spot), which is applied by means of thick film techniques in at least one region of an electrically insulating, planar substrate, the surface of the sensor layer being brought into contact in a measuring area with the aqueous sample to be determined. At least one conductive path for signal pick-up is also applied on the substrate by means of thick film techniques. The sensor layer contains at least one oxide of metal from subgroups and wof the Periodic Table as sensor component. The contact between the electrochemically active sensor layer and the conductor is effected via an electrically conductive bridge layer which extends from the measuring area in a direction essentially parallel to the surface of the substrate. The bridge layer consists of corrosion-resistant material.