| http://www.w3.org/ns/prov#value | - FIG. 18 is a second embodiment of the invention wherein the ion milling is employed to simply make first and second side walls 234 and 235 of the notching layer contiguous with the first and second side walls 224 and 226 of the gap layer and the first and second side walls 214 and 216 of the second pole tip layer.
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