KR20030075991A - 주석산화물 분말, 그 제조방법, 및 이를 사용한 고밀도인듐 주석 산화물 타겟의 제조방법 - Google Patents
주석산화물 분말, 그 제조방법, 및 이를 사용한 고밀도인듐 주석 산화물 타겟의 제조방법 Download PDFInfo
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Abstract
Description
인듐농도(M) | 침전제첨가속도(ℓ/min) | 반응pH | 하소온도(℃) | In2O3BET표면적(m2/g) | SnO2BET표면적(m2/g) | SnO2입자크기(nm) | ITO 타겟소결밀도(g/cm3) | |
실시예1 | 1.0 | - | - | 600 | 18 | 14 | 62 | 7. 13 |
실시예2 | 1.0 | 1 | 7 | 700 | 18 | 12 | 72 | 7. 14 |
실시예3 | 1.5 | 2 | 7 | 600 | 18 | 13 | 66 | 7. 12 |
비교예1 | 0.3 | 1 | 7 | 600 | 18 | 16 | 54 | 6. 58 |
비교예2 | 3.0 | 1 | 7 | 600 | 18 | 3 | 287 | 6. 35 |
Claims (12)
- BET법으로 측정된 표면적이 4 ~ 15m2/g이고, BET법으로 측정된 입자크기가 50 ~ 200nm인 것을 특징으로 하는 SnO2분말.
- 금속주석을 산으로 용해시켜 주석 이온 농도가 0.5 ~ 2 M인 주석수용액을 제공하는 단계;상기 주석수용액으로부터 형성된 메타스태닉산(metastannic acid)형태의 Sn(OH)x 침전물을 분리하는 단계; 및상기 분리물을 400 ~ 900℃에서 하소하여 SnO2분말을 얻는 단계를 포함하는 SnO2분말의 제조방법.
- 제2항에 있어서, 상기 산은 진한 질산 또는 진한 황산인 것을 특징으로 하는 SnO2분말의 제조방법.
- 제2항에 있어서, 상기 메타스태닉산(metastannic acid)의 x값은 4인 것을 특징으로 하는 SnO2분말의 제조방법.
- 주석 함유염을 물에 용해시켜 주석 이온 농도가 0.5 ~ 2 M인 주석수용액을 제공하는 단계;상기 주석수용액에 염기성 침전제를 0.5 ~ 3ℓ/min의 속도로 첨가하여 pH를 3 ~ 7로 조절하여 Sn(OH)x 침전물을 얻은 후, 이 침전물을 분리하는 단계; 및상기 분리물을 400 ~ 900℃에서 하소하여 SnO2분말을 얻는 단계를 포함하는 SnO2분말의 제조방법.
- 제5항에 있어서, 상기 주석 함유염은 SnCl4, SnF4, SnI4, Sn(C2H3O2)2, SnCl2, SnBr2, SnI2, 또는 이들의 혼합물인 것을 특징으로 하는 SnO2분말 제조방법.
- 제5항에 있어서, 상기 염기성 침전제는 NH4OH, NH3가스, NaOH, KOH, NH4HCO3, (NH4)2CO3또는 이들의 혼합물인 것을 특징으로 하는 SnO2분말 제조방법.
- 제2항 또는 제5항 있어서, 상기 침전물을 하소하기 전에 상기 침전물을 수세 및 건조하는 공정을 더 포함하는 것을 특징으로 하는 SnO2분말 제조방법.
- BET법으로 측정된 표면적이 4 ~ 15m2/g이고, BET법으로 측정된 입자크기가 50 ~ 200nm인 SnO2분말 5 ~ 20중량% 및 BET법으로 측정된 표면적이 5 ~ 30m2/g인 In2O3분말 80 ~ 95중량%의 혼합물을 성형하고 소결하여 인듐 주석 산화물(ITO) 타겟을 제조하는 방법.
- 제9항에 있어서, 상기 ITO 타겟의 소결밀도는 7.0 ~ 7.15인 것을 특징으로 하는 ITO 타겟의 제조방법.
- 제9항에 있어서, 상기 ITO 타겟의 소결온도는 1,200 ~ 1,600℃인 것을 특징으로 하는 ITO 타겟의 제조방법.
- 제9항에 있어서, 상기 In2O3분말은 BET법으로 측정된 표면적이 5 ~ 18m2/g인 것을 특징으로 하는 ITO 타겟의 제조방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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KR10-2002-0015609A KR100474845B1 (ko) | 2002-03-22 | 2002-03-22 | 주석산화물 분말, 그 제조방법, 및 이를 사용한 고밀도인듐 주석 산화물 타겟의 제조방법 |
JP2002354904A JP4018974B2 (ja) | 2002-03-22 | 2002-12-06 | 錫酸化物粉末、その製造方法及びこれを使用した高密度インジウム錫酸化物ターゲットの製造方法 |
US10/320,408 US20030178751A1 (en) | 2002-03-22 | 2002-12-17 | Tin oxide powder, method for preparing the same, and method for manufacturing high-density indium tin oxide target |
US11/806,064 US7799312B2 (en) | 2002-03-22 | 2007-05-29 | Method for manufacturing high-density indium tin oxide target, methods for preparing tin oxide powder and indium oxide powder used therefor |
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KR10-2002-0015609A KR100474845B1 (ko) | 2002-03-22 | 2002-03-22 | 주석산화물 분말, 그 제조방법, 및 이를 사용한 고밀도인듐 주석 산화물 타겟의 제조방법 |
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KR100850010B1 (ko) * | 2007-03-19 | 2008-08-04 | 희성금속 주식회사 | 초음파 화학적 반응에 의한 산화 인듐 분말의 제조방법 및ito 타겟재의 제조방법 |
KR100850011B1 (ko) * | 2007-03-19 | 2008-08-04 | 희성금속 주식회사 | 초음파 화학적 반응에 의한 산화 주석 분말의 제조 방법 및ito 타겟재의 제조 방법 |
KR101305903B1 (ko) * | 2007-06-14 | 2013-09-09 | 삼성코닝정밀소재 주식회사 | 산화 주석 분말 및 그 제조 방법 |
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US7799312B2 (en) * | 2002-03-22 | 2010-09-21 | Samsung Corning Precision Glass Co., Ltd. | Method for manufacturing high-density indium tin oxide target, methods for preparing tin oxide powder and indium oxide powder used therefor |
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KR101154335B1 (ko) | 2010-06-09 | 2012-06-13 | 강원대학교산학협력단 | 급속열처리 공정을 이용한 결정질 산화 주석 분말의 제조 방법 |
JP2013256425A (ja) * | 2012-06-14 | 2013-12-26 | Sumitomo Metal Mining Co Ltd | Itoスパッタリングターゲット用酸化スズ粉末、itoスパッタリングターゲット用酸化スズおよび酸化インジウムの混合粉末の製造方法、および、itoスパッタリングターゲット用焼結体 |
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- 2002-03-22 KR KR10-2002-0015609A patent/KR100474845B1/ko active IP Right Grant
- 2002-12-06 JP JP2002354904A patent/JP4018974B2/ja not_active Expired - Fee Related
- 2002-12-17 US US10/320,408 patent/US20030178751A1/en not_active Abandoned
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KR101305902B1 (ko) * | 2006-12-06 | 2013-09-09 | 삼성코닝정밀소재 주식회사 | 산화 주석 분말 및 그 제조 방법 |
KR100850010B1 (ko) * | 2007-03-19 | 2008-08-04 | 희성금속 주식회사 | 초음파 화학적 반응에 의한 산화 인듐 분말의 제조방법 및ito 타겟재의 제조방법 |
KR100850011B1 (ko) * | 2007-03-19 | 2008-08-04 | 희성금속 주식회사 | 초음파 화학적 반응에 의한 산화 주석 분말의 제조 방법 및ito 타겟재의 제조 방법 |
KR101305903B1 (ko) * | 2007-06-14 | 2013-09-09 | 삼성코닝정밀소재 주식회사 | 산화 주석 분말 및 그 제조 방법 |
KR101324131B1 (ko) * | 2007-06-28 | 2013-11-01 | 삼성코닝정밀소재 주식회사 | 산화 주석 분말, 그 제조 방법 및 그 제조용 반응 장치 |
KR101324132B1 (ko) * | 2007-07-05 | 2013-11-01 | 삼성코닝정밀소재 주식회사 | 산화 주석 분말 및 그 제조 방법 |
KR101583148B1 (ko) * | 2014-07-31 | 2016-01-07 | 한국세라믹기술원 | 산화주석 분말의 제조방법 및 이에 의해 제조된 산화주석 분말 |
WO2021060753A1 (ko) * | 2019-09-26 | 2021-04-01 | 주식회사 엘지화학 | 주석 산화물 형성용 조성물 |
Also Published As
Publication number | Publication date |
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KR100474845B1 (ko) | 2005-03-09 |
JP4018974B2 (ja) | 2007-12-05 |
JP2003277053A (ja) | 2003-10-02 |
US20030178751A1 (en) | 2003-09-25 |
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