| http://www.w3.org/ns/prov#value | - According to one embodiment, second electrode 251 is recessed so that an outer surface 201 of layer 252 is isodiametric with an outer surface 200 of lead body 300, as illustrated in FIG. 2A. FIG. 2B is a plan view including a cut-away section of a distal portion of a lead 70 illustrating an alternate embodiment wherein an outer surface 202 of a porous layer 254 formed over a second electrode 253 h
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