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:
Aug. 02, 2022
Filed:
Apr. 21, 2020
Roche Diabetes Care, Inc., Indianapolis, IN (US);
Sabine Achmann, Mannheim, DE;
Stephan-Michael Frey, Pfungstadt, DE;
Sebastian Pankalla, Ludwigshafen, DE;
Roche Diabetes Care, Inc., Indianapolis, IN (US);
Abstract
An electrochemical sensor is disclosed. The sensor has a substrate having a proximal part and an elongated distal part. Electrodes are formed on the distal part. The working electrode forms a conductive trace and multiple electrode pads are arranged along and connected by conductive trace. The electrode pads include a corrosive conductive layer covered by a non-corrosive conductive layer. The corrosive conductive layer is a metal less noble or as noble as Ag, and the non-corrosive conductive is a metal more noble than Ag. An insulating layer on the substrate has openings in the areas of the electrode pads. A protective measure for the corrosive conductive layer can be provided, such as having the insulating layer at least partially overlap the electrode pad edges, or providing at least one of the electrode pads with an elongated shape along the smaller dimension of the distal part.