KR101090327B1 - 반도체 소자 제조 방법 - Google Patents
반도체 소자 제조 방법 Download PDFInfo
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- KR101090327B1 KR101090327B1 KR1020090076721A KR20090076721A KR101090327B1 KR 101090327 B1 KR101090327 B1 KR 101090327B1 KR 1020090076721 A KR1020090076721 A KR 1020090076721A KR 20090076721 A KR20090076721 A KR 20090076721A KR 101090327 B1 KR101090327 B1 KR 101090327B1
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Abstract
Description
Claims (24)
- 기판 상에 게이트 패턴을 형성하는 단계;상기 게이트 패턴을 둘러싸는 도전성 스페이서를 형성하는 단계;상기 스페이서 상에 실리사이드 공정 수행을 위한 금속막을 형성하는 단계; 및상기 금속막을 이용하여, 상기 스페이서 및 게이트 패턴을 실리사이드화하는 단계를 포함하고,상기 스페이서는,상기 실리사이드화 단계에서의 실리콘을 보충하는반도체 소자 제조 방법.
- 제 1 항에 있어서,상기 게이트 패턴 형성 단계 후에,상기 게이트 패턴이 형성된 결과물의 전체 구조상에 제1층간절연막을 형성하는 단계; 및상기 게이트 패턴의 최상면으로부터 소정 높이 하향된 지점까지 상기 제1층간절연막을 에치백하는 단계를 더 포함하는 반도체 소자 제조 방법.
- 삭제
- 제 2 항에 있어서,상기 스페이서는,상기 게이트 패턴 표면의 막질을 향상시키는반도체 소자 제조 방법.
- 제 1 항에 있어서,상기 게이트 패턴은,상기 기판 상에 형성된 게이트 절연막 및 게이트 전극을 포함하는 반도체 소자 제조 방법.
- 제 1 항에 있어서,상기 게이트 패턴은,상기 기판 상에 형성된 터널절연막, 전하포획막, 전하차단막 및 게이트 전극을 포함하는 반도체 소자 제조 방법.
- 제 1 항에 있어서,상기 스페이서는,실리콘, 폴리실리콘 또는 비정질실리콘을 포함하는 반도체 소자 제조 방법.
- 제 1 항에 있어서,상기 스페이서 형성 단계는,선택적 실리콘 성장 방법에 의해 수행되는반도체 소자 제조 방법.
- 제 1 항에 있어서,상기 스페이서 형성 단계는,스퍼터링 공정에 의해 수행되는메모리 소자 제조 방법.
- 제 9 항에 있어서,상기 스페이서 형성 단계는,상기 스퍼터링 공정에 의해, 상기 게이트 패턴 상부의 각 측면에 스페이서용 물질막을 차례로 증착하는반도체 소자 제조 방법.
- 제 1 항에 있어서,상기 스페이서 형성 단계는,상기 게이트 패턴이 형성된 결과물의 전면을 따라 스페이서용 물질막을 증착하는 단계; 및상기 기판의 표면이 노출될 때까지 상기 스페이서용 물질막을 에치백하여 스페이서를 형성하는 단계를 포함하는 반도체 소자 제조 방법.
- 제 11 항에 있어서,상기 스페이서용 물질막의 증착은,ALD, CVD, PVD 또는 스퍼터링 공정에 의해 수행되는반도체 소자 제조 방법.
- 제 11 항에 있어서,상기 스페이서 형성 단계 후에,상기 스페이서가 형성된 결과물의 전체 구조상에 제2층간절연막을 형성하는 단계;상기 스페이서의 표면이 노출될 때까지 평탄화 공정을 수행하는 단계; 및상기 제2층간절연막을 제거하는 단계를 더 포함하는 반도체 소자 제조 방법.
- 기판 상에 제1도전막 및 제1하드마스크층을 형성하는 단계;상기 제1하드마스크층 및 제1도전막을 식각하여 복수의 게이트 패턴을 형성하는 단계;상기 복수의 게이트 패턴들 간의 갭영역에 절연막을 매립하는 단계;상기 제1하드마스크층을 제거하여 트렌치를 형성하는 단계;상기 트렌치의 폭을 증가시키도록 상기 트렌치 내벽의 절연막을 소정두께 식각하는 단계; 및상기 폭이 증가된 트렌치 내에 제2도전막을 매립하는 단계를 포함하는 반도체 소자 제조 방법.
- 제 14 항에 있어서,상기 절연막은,상기 제1하드마스크층과의 식각 선택비가 큰 물질로 이루어지는반도체 소자 제조 방법.
- 제 15 항에 있어서,상기 제1하드마스크층은 질화막을 포함하고,상기 절연막은 산화막을 포함하는반도체 소자 제조 방법.
- 제 14 항에 있어서,상기 절연막 매립 단계 후에,상기 절연막 상에 제2하드마스크층을 형성하는 단계를 더 포함하는 반도체 소자 제조 방법.
- 제 14 항에 있어서,상기 절연막 매립 단계 후에,상기 절연막을 소정두께 리세스하는 단계; 및상기 리세스된 영역 내에 제2하드마스크층을 매립하는 단계를 더 포함하는 반도체 소자 제조 방법.
- 제 17 항 또는 제 18 항에 있어서,상기 제2하드마스크층은,상기 절연막 및 제1하드마스크층과의 식각선택비가 큰 물질로 이루어지는반도체 소자 제조 방법.
- 제 17 항 또는 제 18 항에 있어서,상기 트렌치 형성 단계는,상기 제2하드마스크층을 식각베리어로 상기 제1하드마스크층을 제거하는반도체 소자 제조 방법.
- 제 17 항 또는 제 18 항에 있어서,트렌치 내벽의 절연막을 소정두께 식각하는 단계는,상기 제2하드마스크을 식각베리어로 상기 트렌치 내벽에 의해 노출된 절연막을 소정두께 식각하는반도체 소자 제조 방법.
- 제 17 항 또는 제 18 항에 있어서,상기 절연막 식각단계 후에,상기 제2하드마스크층을 제거하는 단계를 더 포함하는 반도체 소자 제조 방법.
- 제 14 항에 있어서,상기 제2도전막 매립 단계 후에,상기 제2도전막이 노출되도록 상기 절연막을 에치백하는 단계; 및상기 노출된 제2도전막을 실리사이드화하는 단계를 더 포함하는 반도체 소자 제조 방법.
- 제 14 항에 있어서,상기 제2도전막은,상기 제1도전막에 비해 큰 폭을 갖는반도체 소자 제조 방법.
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US12/614,991 US9275904B2 (en) | 2009-08-19 | 2009-11-09 | Method for fabricating semiconductor device |
CN201010002011.5A CN101996946B (zh) | 2009-08-19 | 2010-01-05 | 制造半导体器件的方法 |
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CN102769040B (zh) * | 2012-07-25 | 2015-03-04 | 京东方科技集团股份有限公司 | 薄膜晶体管、阵列基板及其制作方法、显示装置 |
KR20160006466A (ko) * | 2014-07-09 | 2016-01-19 | 에스케이하이닉스 주식회사 | 수직 채널을 갖는 반도체 집적 회로 장치 및 그 제조방법 |
CN109378271B (zh) * | 2018-10-22 | 2021-01-26 | 京东方科技集团股份有限公司 | 图案化的金属膜层、薄膜晶体管、显示基板的制备方法 |
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US6410429B1 (en) * | 2001-03-01 | 2002-06-25 | Chartered Semiconductor Manufacturing Inc. | Method for fabricating void-free epitaxial-CoSi2 with ultra-shallow junctions |
US20080305630A1 (en) * | 2006-10-13 | 2008-12-11 | Kabushiki Kaisha Toshiba | Method of manufacturing semiconductor device |
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US6630721B1 (en) * | 2000-05-16 | 2003-10-07 | Advanced Micro Devices, Inc. | Polysilicon sidewall with silicide formation to produce high performance MOSFETS |
US6630394B2 (en) * | 2001-12-28 | 2003-10-07 | Texas Instruments Incorporated | System for reducing silicon-consumption through selective deposition |
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