| http://www.w3.org/ns/prov#value | - The present inventors, in the course of manufacture of an aluminum sintered body containing not more than 900 ppm of at least one metal impurity other than rare earth elements, have surprisingly succeeded in providing an aluminum nitride sintered body with a volume resistivity of not more than 1???1012 ?????cm by adjusting the content of the rare earth elements (as oxides thereof) in the sintered
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