A current sensor that includes a pair of segments. The discharge vessel is provided with a seal which preferably encloses an Mo foil and forms a feedthrough for an electric conductor to the electrode. The p-side joining layer and the n-side joining layer are configured of a mixed layer composed of TaN and Pt, and the p-side bonding pad electrode and the n-side bonding pad electrode are configured of a laminated structure composed of Pt and Au. When the adjustments are complete, the user selects or identifies a finalized proposed treatment plan for treating the patient. The metal being deposited causes the hole to be plugged up to a selective height. The body member may be similarly angled.