G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 27/30 (2006.01) C25B 11/00 (2006.01) G01N 27/26 (2006.01) G01N 27/403 (2006.01) G01N 27/416 (2006.01)
Patent
CA 2499049
A method for fabricating high-resolution, biocompatible electrodes is disclosed, allowing production of an electrochemical sensor which is capable of precise analyte concentration determination on a very small sample size. Electrically conducting material is affixed to a first insulating substrate. A second insulating substrate is then affixed to the electrically conducting material and patterned using photolithography to define an electrode area. Alternatively, the electrically conducting material may be screen printed directly onto a standard printed circuit board substrate in the case of a counter or reference electrode. In either case, the substrate may be rigid or flexible. When the electrodes produced in accordance with the present invention are then used in an electrochemical sensor which includes a reagent, the small and highly-defined electrode areas permit highly- accurate electrochemical analyte measurements to be performed on very small sample sizes.
Diebold Eric R.
Kordal Richard J.
Surridge Nigel A.
Wilsey Christopher D.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Roche Diagnostics Corporation
Roche Diagnostics Operations Inc.
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