SINTERED OXIDE AND SPUTTERING TARGET

To provide a sintered oxide body in which occurrence of cracks can be suppressed.SOLUTION: A sintered oxide body comprises In, Zn and Fe, which contains substantially no crystal grains of zinc oxide and contains crystal grains of In oxide and crystal grains of ZnIn oxide. The crystal grains of the I...

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Bibliographische Detailangaben
Hauptverfasser: TAO KOKI, MIYATA KOICHI, SHINODA TATSUAKI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a sintered oxide body in which occurrence of cracks can be suppressed.SOLUTION: A sintered oxide body comprises In, Zn and Fe, which contains substantially no crystal grains of zinc oxide and contains crystal grains of In oxide and crystal grains of ZnIn oxide. The crystal grains of the In oxide are grains of In2O3 having a single phase crystal structure and are substantially free of Fe, and the crystal grains of the ZnIn oxide contain Fe.SELECTED DRAWING: Figure 1 【課題】本発明は、割れの発生を抑制可能な酸化物焼結体の提供を課題とする。【解決手段】本発明の一態様に係る酸化物焼結体は、In、Zn及びFeを含む酸化物焼結体であって、酸化亜鉛の結晶粒を実質的に有さず、In酸化物の結晶粒とZnIn酸化物の結晶粒とを有し、上記In酸化物の結晶粒がFeを実質的に含まないIn2O3結晶単相構造であり、上記ZnIn酸化物の結晶粒がFeを含む。【選択図】図1