KR101622530B1 - 산화물 소결체 및 스퍼터링 타깃, 및 그 제조 방법 - Google Patents
산화물 소결체 및 스퍼터링 타깃, 및 그 제조 방법 Download PDFInfo
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Abstract
Description
Claims (7)
- 산화인듐과, 산화갈륨과, 산화주석을 소결하여 얻어지는 산화물 소결체이며,
상기 산화물 소결체의 상대 밀도가 90% 이상,
상기 산화물 소결체의 평균 결정립경이 10㎛ 이하이고,
상기 산화물 소결체에 포함되는 산소를 제외하는 전체 금속 원소에 대한, 인듐, 갈륨, 주석의 함유량의 비율(원자%)을 각각, [In], [Ga], [Sn]으로 하였을 때, 하기 식 (1)∼(3)을 만족시킴과 함께,
상기 산화물 소결체를 X선 회절하였을 때, InGaO3상은 하기 식 (4)를 만족시키는 것인 것을 특징으로 하는 산화물 소결체.
30원자%≤[In]≤50원자%…(1)
20원자%≤[Ga]≤30원자%…(2)
25원자%≤[Sn]≤45원자%…(3)
[InGaO3]≥0.05…(4)
단, [InGaO3]=(I(InGaO3)/(I(InGaO3)+I(In2O3)+I(SnO2))
식 중, I(InGaO3), I(In2O3), 및 I(SnO2)는 각각, X선 회절에서 특정된 InGaO3상, In2O3상, SnO2상의 회절 강도의 측정값이다. - 제1항에 있어서, 상기 산화물 소결체의 결정립경이 15㎛를 초과하는 조대 결정립의 비율은 10% 이하인, 산화물 소결체.
- 제1항 또는 제2항에 있어서, 상기 산화물 소결체를 X선 회절하였을 때, Ga3-xln5+xSn2O16상은 포함되지 않는 것인, 산화물 소결체.
- 제1항 또는 제2항에 있어서, 상기 산화물 소결체를 X선 회절하였을 때, (Ga, In)2O3상은 포함되지 않는 것인, 산화물 소결체.
- 제1항 또는 제2항에 기재된 산화물 소결체를 사용하여 얻어지는 스퍼터링 타깃이며, 비저항이 1Ω·㎝ 이하인 것을 특징으로 하는 스퍼터링 타깃.
- 제1항 또는 제2항에 기재된 산화물 소결체의 제조 방법이며, 산화인듐과, 산화갈륨과, 산화주석을 혼합하여, 성형형에 세트한 후, 소결 온도 850∼1250℃까지 승온시킨 후, 상기 온도 영역에서의 유지 시간 0.1∼5시간, 가압 압력 59㎫ 이하에서 소결하는 것을 특징으로 하는, 산화물 소결체의 제조 방법.
- 제6항에 있어서, 상기 소결 온도까지의 평균 승온 속도가 600℃/hr 이하인, 산화물 소결체의 제조 방법.
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JP2013247763 | 2013-11-29 | ||
JPJP-P-2013-247763 | 2013-11-29 | ||
PCT/JP2014/081642 WO2015080271A1 (ja) | 2013-11-29 | 2014-11-28 | 酸化物焼結体およびスパッタリングターゲット、並びにその製造方法 |
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KR20150136552A KR20150136552A (ko) | 2015-12-07 |
KR101622530B1 true KR101622530B1 (ko) | 2016-05-18 |
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US (1) | US10515787B2 (ko) |
JP (1) | JP5796812B2 (ko) |
KR (1) | KR101622530B1 (ko) |
CN (1) | CN105246855B (ko) |
TW (1) | TWI515167B (ko) |
WO (1) | WO2015080271A1 (ko) |
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JP2017019668A (ja) * | 2015-07-07 | 2017-01-26 | 株式会社コベルコ科研 | 酸化物焼結体およびスパッタリングターゲット、並びにそれらの製造方法 |
JP6254308B2 (ja) | 2016-04-19 | 2017-12-27 | 株式会社コベルコ科研 | 酸化物焼結体およびスパッタリングターゲット、並びにそれらの製造方法 |
KR102382130B1 (ko) * | 2017-02-01 | 2022-04-01 | 이데미쓰 고산 가부시키가이샤 | 산화물 반도체막, 박막 트랜지스터, 산화물 소결체, 및 스퍼터링 타깃 |
JP6364561B1 (ja) * | 2017-05-18 | 2018-07-25 | 株式会社コベルコ科研 | 酸化物焼結体およびスパッタリングターゲット |
JP6364562B1 (ja) * | 2017-05-19 | 2018-07-25 | 株式会社コベルコ科研 | 酸化物焼結体およびスパッタリングターゲット |
CN107623040A (zh) * | 2017-09-05 | 2018-01-23 | 华南理工大学 | 一种铟镓锌氧化物薄膜晶体管及其制造方法 |
JP6724057B2 (ja) * | 2018-03-30 | 2020-07-15 | Jx金属株式会社 | スパッタリングターゲット部材 |
JP6722736B2 (ja) * | 2018-09-21 | 2020-07-15 | Jx金属株式会社 | 焼結体および、スパッタリングターゲット |
WO2020138319A1 (ja) * | 2018-12-28 | 2020-07-02 | 出光興産株式会社 | 焼結体 |
JP7250723B2 (ja) * | 2020-03-31 | 2023-04-03 | Jx金属株式会社 | スパッタリングターゲット及びスパッタリングターゲットの製造方法 |
WO2023091330A1 (en) * | 2021-11-22 | 2023-05-25 | Corning Incorporated | Amorphous transparent conductive oxide films and methods of fabricating the same |
CN116813310B (zh) * | 2023-06-01 | 2024-06-07 | 先导薄膜材料(广东)有限公司 | 一种稀土元素掺杂氧化铟锡镓靶材及其制备方法 |
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JP3457969B2 (ja) | 1992-05-11 | 2003-10-20 | 東ソー株式会社 | 高密度ito焼結体及びスパッタリングターゲット |
US6042752A (en) * | 1997-02-21 | 2000-03-28 | Asahi Glass Company Ltd. | Transparent conductive film, sputtering target and transparent conductive film-bonded substrate |
JP3806521B2 (ja) * | 1998-08-27 | 2006-08-09 | 旭硝子セラミックス株式会社 | 透明導電膜、スパッタリングターゲットおよび透明導電膜付き基体 |
US20040222089A1 (en) * | 2001-09-27 | 2004-11-11 | Kazuyoshi Inoue | Sputtering target and transparent electroconductive film |
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JP2011174134A (ja) | 2010-02-24 | 2011-09-08 | Idemitsu Kosan Co Ltd | In−Ga−Sn系酸化物焼結体、ターゲット、酸化物半導体膜、及び半導体素子 |
JP6167039B2 (ja) * | 2011-08-22 | 2017-07-19 | 出光興産株式会社 | In−Ga−Sn系酸化物焼結体 |
JP5883367B2 (ja) * | 2012-09-14 | 2016-03-15 | 株式会社コベルコ科研 | 酸化物焼結体およびスパッタリングターゲット、並びにその製造方法 |
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