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<http://webisa.webdatacommons.org/prov/58297576>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/27006904> .
<http://webisa.webdatacommons.org/27006904>	<http://www.w3.org/ns/prov#value>	"FIG. 28 is an enlarged perspective view illustrating the vicinity of the magnetic pole portion shown in FIG. 27. [0219] As shown in FIG. 26, the thin-film magnetic head of this embodiment comprises: the substrate 1 made of a ceramic material such as aluminum oxide and titanium carbide (Al2O3.TiC); the insulating layer 2 made of an insulating material such as alumina (Al2O3) and formed on the subst" .