A stimulation electrode is provided having an electrically conducting
electrode base member which is partially covered with an electrically
insulating ceramic layer. The ceramic layer is formed of an oxide and/or
an oxynitride of at least one metal of the group of titanium, niobium.
tantalum, zirconium, aluminum and silicon. Various methods are provided
for production of the stimulation electrode, including methods in which
the ceramic layer is formed in situ by a thermal, chemical or
electrochemical oxidation or oxynitridation process. The stimulation
electrode may be used as a cardiac pacemaker electrode, a
neuro-stimulation electrode, or another human implant.