KR102067082B1 - 패턴 형성 방법 및 반도체 소자 - Google Patents
패턴 형성 방법 및 반도체 소자 Download PDFInfo
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- KR102067082B1 KR102067082B1 KR1020170009292A KR20170009292A KR102067082B1 KR 102067082 B1 KR102067082 B1 KR 102067082B1 KR 1020170009292 A KR1020170009292 A KR 1020170009292A KR 20170009292 A KR20170009292 A KR 20170009292A KR 102067082 B1 KR102067082 B1 KR 102067082B1
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Abstract
Description
30: 제1층 40, 41, 42: 제2층
Claims (11)
- 기판 위에 식각 대상 막을 형성하는 단계,
상기 식각 대상 막 위에 볼록 패턴을 가지는 제1층을 형성하는 단계,
상기 제1층의 볼록 패턴을 완전히 덮도록 제2층을 형성하는 단계,
상기 제2층에 린스 용액을 가하여 상기 제2층의 위 표면이 상기 제1층의 볼록 패턴을 따라 굴곡지게 만드는 단계,
상기 볼록 패턴의 측부에 위치하는 제2층을 남기고 상기 볼록 패턴의 상부가 노출되도록 제2층을 부분적으로 제거하는 단계,
상기 식각 대상 막의 상부가 노출되도록 상기 제1층을 제거하는 단계, 그리고
제거된 제1층의 볼록부의 측부에 위치하는 제2층을 식각 마스크로 이용하여 상기 식각 대상 막을 식각하는 단계
를 포함하고,
상기 제1층 및 제2층 중 어느 하나는
탄소 함유 층이고 다른 하나는 규소 함유 층이고, 상기 규소 함유 층은 규소 함유 조성물을 도포한 후 열처리 과정을 거쳐 형성되며,
상기 제1층이 탄소 함유 층이면 상기 제1층을 형성하는 단계 및 상기 제2층을 형성하는 단계 사이에 상기 제1층 표면에 에너지를 가하는 단계를 더 포함하는
패턴 형성 방법. - 제1항에서,
상기 규소 함유 조성물의 도포는 스핀-온 코팅, 스크린 프린팅, 슬릿코팅, 또는 스프레이 코팅 방식에 의한 것인 패턴 형성 방법. - 삭제
- 제1항에서,
상기 제2층에 린스 용액을 가하는 단계를 거친 후에 상기 제2층은 상기 제2층 중 경화된 부분은 볼록 패턴을 가지고 상기 제1층 위에 소정의 두께를 가지고 형성되어 있는 패턴 형성 방법. - 제1항에서,
상기 제1층이 탄소 함유 층이고 상기 제2층이 규소 함유 층인 경우, 상기 제1층 표면에 에너지를 가하는 단계에서의 상기 에너지는 열, 자외선, 마이크로웨이브, 음파, 초음파, 또는 이들의 조합인 패턴 형성 방법. - 제1항에서,
상기 탄소 함유 층은 비정질 탄소(amorphous carbon), 스핀-온 탄소(spin-on carbon), 또는 이들의 조합을 함유한 유기물의 도포 또는 증착에 의해 형성된 것인 패턴 형성 방법. - 제1항에서,
상기 규소 함유 층은 SiCN, SiOC, SiON, SiOCN, SiC, SiN, 또는 이들의 조합을 포함하는 패턴 형성 방법. - 제1항에서,
상기 식각 대상 막을 형성하는 단계 및 상기 제1층을 형성하는 단계 사이에 중간 층 형성하는 단계를 더 포함하는 패턴 형성 방법. - 제1항에서,
상기 식각 대상 막의 식각 단계 후에 잔존하는 상기 제2층을 제거하는 단계를 더 포함하는 패턴 형성 방법. - 제1항, 제2항 및 제4항 내지 제9항 중 어느 한 항의 방법에 따라 형성된 미세 패턴 층.
- 제10항의 미세 패턴 층을 포함하는 반도체 소자.
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KR1020170009292A KR102067082B1 (ko) | 2017-01-19 | 2017-01-19 | 패턴 형성 방법 및 반도체 소자 |
US15/704,054 US10153171B2 (en) | 2017-01-19 | 2017-09-14 | Method of forming patterns, patterns formed according to the method, and semiconductor device including the patterns |
TW106132330A TWI679680B (zh) | 2017-01-19 | 2017-09-21 | 形成圖案的方法、精細圖案層以及半導體裝置 |
CN201710893281.1A CN108335970B (zh) | 2017-01-19 | 2017-09-27 | 形成图案的方法、精细图案层以及半导体装置 |
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US20150200110A1 (en) | 2014-01-13 | 2015-07-16 | Applied Materials, Inc. | Self-Aligned Double Patterning With Spatial Atomic Layer Deposition |
US20150325441A1 (en) * | 2014-05-09 | 2015-11-12 | Powerchip Technology Corporation | Semiconductor fabrication method |
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JP2008227465A (ja) | 2007-02-14 | 2008-09-25 | Renesas Technology Corp | 半導体装置の製造方法 |
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US20180204730A1 (en) | 2018-07-19 |
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