#$%^&*AU2014277800A120150709.pdf#####ABSTRACT A biocompatible, implantable electrode for electrically active medical devices. 5 The implantable medical electrode has a surface geometry which optimizes the electrical performance of the electrode, while mitigating the undesirable effects associated with prior art porous surfaces. The electrode has an optimized surface topography for improved electrical performance. Such a electrode is suitable for devices which may be permanently implanted in the human body as stimulation 10 electrodes, such as pacemakers, or as sensors of medical conditions. Such is achieved by the application of ultrafast high energy pulses to the surface of a solid, monolithic electrode material for the purpose of increasing the surface area and thereby decreasing its after-potential polarization. 23FIG. 3 Trial 3: Polarization = 45mV 500 "pulses" per "spot" (a) (b) Macro image of part Hillock structure ( C) (d) Hillock structure ~25micron Periodic structure on hillock is pronounced (e) Nanoglobules are angular with large voids and cavities
