KR100697453B1 - 전이 금속 소오스 재료의 환원 방법 및 원자 층 증착 방법 - Google Patents
전이 금속 소오스 재료의 환원 방법 및 원자 층 증착 방법 Download PDFInfo
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Abstract
Description
Claims (22)
- 원자 층 증착 프로세스에서 이용되는 전이 금속 소오스 재료의 환원 방법으로서:금속 소오스 재료를 증발시키는 단계;반응 공간에 연결된 유동 채널내에 위치되고 고온에서 유지되는 환원제를 포함하는 환원 영역으로 상기 증발된 금속 소오스 재료를 유입시키는 단계;상기 증발된 금속 소오스 재료를 상기 환원제와 접촉시킴으로써 상기 증발된 금속 소오스 재료를 가스 상태로 수송될 수 있는 환원된 금속 화합물로 환원시키는 단계;상기 환원된 금속 화합물을 상기 반응 공간으로 수송하는 단계; 및상기 환원된 금속 화합물을 원자 층 증착 프로세스에서 이용하는 단계를 포함하는 전이 금속 소오스 재료의 환원 방법.
- 제 1 항에 있어서, 상기 환원제가 금속인 전이 금속 소오스 재료의 환원 방법.
- 제 2 항에 있어서, 상기 환원제가 Ti, Zr, Hf, V, Nb, Ta, Cr, Mo 및 W으로 구성된 군으로부터 선택되는 전이 금속 소오스 재료의 환원 방법.
- 제 2 항에 있어서, 상기 환원제가 상기 금속 소오스 재료내의 금속과 동일한 금속인 전이 금속 소오스 재료의 환원 방법.
- 제 2 항에 있어서, 상기 환원제가 상기 금속 소오스 재료내의 금속과 상이한 금속인 전이 금속 소오스 재료의 환원 방법.
- 제 1 항에 있어서, 상기 환원제가 B, Si, Ge, P, 및 금속 규화물과 금속 게르마나이드로 구성된 군으로부터 선택된 반응성 화합물인 전이 금속 소오스 재료의 환원 방법.
- 제 1 항에 있어서, 상기 금속 소오스 재료의 환원이 후속하는 원자 층 증착 프로세스의 성장 온도에 가까운 온도에서 수행되는 전이 금속 소오스 재료의 환원 방법.
- 기판 상에 전이 금속 질화물 박막을 형성하기 위한 원자 층 증착 방법으로서:기판을 반응 공간내에서 연속적으로 교대하는 증기상 펄스들과 접촉시키는 단계를 포함하며;상기 연속적으로 교대하는 증기상 펄스들은;a) 하나 이상의 금속 소오스 재료, 및b) 하나 이상의 질소 소오스 재료로 이루어지며,상기 금속 소오스 재료는, 상기 기판과 접촉하기에 앞서서, 금속 소오스 재료 저장 콘테이너와 상기 반응 공간 사이의 유동 채널 내에 위치된 환원 영역 내에서 환원되는 원자 층 증착 방법.
- 전이 금속 질화물 박막을 기판상에서 성장시키기 위한 원자 층 방법으로서:a) 금속 소오스 재료의 증기상 펄스를 환원 영역내로 공급하는 단계;b) 상기 증기상 금속 소오스 재료를 환원시키는 단계;c) 상기 환원된 증기상 금속 소오스 재료를 반응 공간내로 유입시키는 단계d) 상기 환원된 증기상 금속 소오스 재료를 상기 반응 공간내의 기판과 접촉시킴으로써 상기 기판 표면상에 금속 종의 단일층을 증착하는 단계;e) 상기 반응 공간을 불활성 가스로 퍼징하는 단계;f) 질소 소오스 재료의 증기상 펄스를 상기 반응 공간 내로 공급하는 단계;g) 상기 질소 소오스 재료와 상기 기판 표면 상의 상기 금속 종을 접촉시켜 금속 질화물을 형성하는 단계;h) 상기 반응 공간을 불활성 가스로 퍼징하는 단계; 및i) 원하는 두께의 금속 질화물 박막이 형성될 때까지 상기 단계 a) 내지 h)를 반복하는 단계를 포함하는 원자 층 증착 방법.
- 제 9 항에 있어서, 상기 환원 영역이 고온에서 유지되는 고체 또는 액체 환원제를 포함하는 원자 층 증착 방법.
- 제 10 항에 있어서, 상기 환원제가 상기 기판과 동일한 온도에서 유지되는 원자 층 증착 방법.
- 제 10 항에 있어서, 상기 환원제를 이용하여 상기 증기상 금속 소오스 재료를 환원시키는 단계 b)는 고온에서 유지되는 고체 또는 액체 환원제상으로 증기상 금속 소오스 재료를 유입시키는 단계를 포함하는 원자 층 증착 방법.
- 제 9 항에 있어서, 상기 금속 소오스 재료가 원소 주기율표의 4족, 5족 및 6족의 전이 금속으로 이루어진 군으로부터 선택된 전이 금속을 포함하는 원자 층 증착 방법.
- 제 13 항에 있어서, 상기 금속 소오스 재료는 Ti, Zr, Hf, Nb, Ta, Cr, Mo, 및 W로 이루어진 군으로부터 선택된 전이 금속을 포함하는 화합물인 원자 층 증착 방법.
- 제 13 항에 있어서, 상기 금속 소오스 재료는 금속 할로겐화물인 원자 층 증착 방법.
- 제 15 항에 있어서, 상기 할로겐화물은 금속 불화물, 금속 염화물, 금속 브롬화물 및 금속 요오드화물로 이루어진 군으로부터 선택되는 원자 층 증착 방법.
- 제 15 항에 있어서, 상기 금속 소오스 재료는 티탄 할로겐화물인 원자 층 증착 방법.
- 제 17 항에 있어서, 상기 금속 소오스 재료가 TiCl4인 원자 층 증착 방법.
- 제 13 항에 있어서, 상기 금속 소오스 재료는 알킬아미노, 시클로펜타디에닐, 디티오카르바메이트 및 베타디케토네이트로 이루어진 군으로부터 선택된 금속 유기 화합물인 원자 층 증착 방법.
- 제 9 항에 있어서, 상기 질소 소오스 재료는:암모니아(NH3) 및 그 염, 아지드화수소(HN3) 및 상기 아지드화수소의 알킬 유도체, 히드라진(N2H4) 및 히드라진의 염, 히드라진의 알킬 유도체, 플루오르화질소(NF3), 히드록실 아민(NH2OH) 및 그 염, 1차, 2차 및 3차 아민, 그리고 질소 라디칼로 이루어진 군으로부터 선택되는 원자 층 증착 방법.
- 제 20 항에 있어서, 상기 질소 소오스 재료는 플루오르화암모늄, 염화암모늄, CH3N3, 히드라진 염화수소, 디메틸 히드라진, 히드록실아민 염화수소, 메틸아민, 디에틸아민 및 트리에틸아민으로 이루어진 군으로부터 선택되는 원자 층 증착 방법.
- 제 9 항에 있어서, 상기 전이 금속 질화물이 집적 회로내의 확산 배리어를 포함하는 원자 층 증착 방법.
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WO2011123792A3 (en) * | 2010-04-01 | 2011-12-01 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Metal nitride containing film deposition using combination of amino-metal and halogenated metal precursors |
CN102471885A (zh) * | 2010-04-01 | 2012-05-23 | 乔治洛德方法研究和开发液化空气有限公司 | 使用氨基金属与卤化金属前体组合的含金属氮化物的薄膜沉积 |
Also Published As
Publication number | Publication date |
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EP1230421B1 (en) | 2005-04-27 |
FI118158B (sv) | 2007-07-31 |
EP1230421A1 (en) | 2002-08-14 |
TW500826B (en) | 2002-09-01 |
DE60019789T2 (de) | 2006-01-19 |
WO2001027346A1 (en) | 2001-04-19 |
US20050000431A1 (en) | 2005-01-06 |
DE60019789D1 (de) | 2005-06-02 |
KR20020040876A (ko) | 2002-05-30 |
FI19992233A (fi) | 2001-04-16 |
AU7925700A (en) | 2001-04-23 |
JP2003511560A (ja) | 2003-03-25 |
US6767582B1 (en) | 2004-07-27 |
JP5047434B2 (ja) | 2012-10-10 |
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