OXIDE SINTERED BODY AND TABLET OBTAINED BY PROCESSING SAME
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United States of America Patent
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Issued Date -
Jul 23, 2015
app pub date -
Jul 31, 2013
filing date -
Jul 31, 2012
priority date (Note) -
Abandoned
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Abstract
A tablet for ion plating which allows high speed formation of transparent conductive films suitable for solar cells and allows continuous film formation without causing cracks, breakage or splashing. A sintered oxide includes indium oxide as a main component and tin as an additive element, and having a tin content of 0.001 to 0.15 in terms of an atomic ratio of Sn/(In+Sn). The sintered oxide mainly includes crystal grains (A) having a tin content that is less than an average tin content of the sintered oxide and crystal grains (B) having a tin content that is at or above the average tin content of the sintered oxide, the difference in the average tin content between the crystal grains (B) and the crystal grains (A) being 0.015 or more in terms of the atomic ratio of Sn/(In+Sn), and has a density of 3.4 to 5.5 g/cm3.
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