| http://www.w3.org/ns/prov#value | - Furthermore, the atomic percent of iridium per unit volume of the portion serving as iridium oxide is about 33 at %, while the atomic percent of iridium per unit volume of the portion serving as iridium is in a range from approximately 95 to 100 at %.On the other hand, regions other than the portion corresponding to the heat generating portion 2 will not reach the temperature at which the iridium
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