Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Frank Krüger0
Oliver Keitel0
Heiko Specht0
Hans-Jürgen Wachter0
Date of Patent
October 13, 2009
0Patent Application Number
113789020
Date Filed
March 17, 2006
0Patent Primary Examiner
Patent abstract
An electrode for medical applications is provided with a PtIr coating which is at least partly porous. The coating contains more than 20% iridium by weight and at least 100 ppm Pt. The coated areas of the electrode exhibit an electrochemical capacitance of more than 5 mF/cm2 in physiological saline solution at 37° C. and a measurement frequency of 100 mHz. A sputter process is suitable for this purpose, in which a porous platinum-iridium layer is deposited on the electrode by simultaneously sputtering at least one iridium target and at least one platinum target.
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