KR20170105480A - 스핀-온 하드마스크 재료 - Google Patents
스핀-온 하드마스크 재료 Download PDFInfo
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Abstract
Description
도 2는 본 명세서에 기술된 재료로 하드마스크 막을 형성하고, 이 막을 가열하고 용매 침지를 수행한 결과를 도시한다.
도 3은 도 1에 도시된 방식에 따라 약 100 nm의 탄소로 에칭된 25 nm 라인들 및 공간들을 도시한다.
| 스핀-온 탄소 하드마스크 데이타 시트 | ||
| 변형예: IM-HM-120 | 탄소 함량(wt%): 84% | |
| 에칭(ICP, SF6/C4F8) | 에칭 속도(nm/s) 에칭 기법 실리콘에 대한 선택도 대조군 레지스트 대조군 에칭 속도 |
0.98 nm/s ICP 혼합 모드 에칭 4.5:1 SAL601 1.24 nm/s |
| 에칭(ICP, SF6/CHF3) | 에칭 속도(nm/s) 에칭 기법 실리콘에 대한 선택도 대조군 레지스트 대조군 에칭 속도 |
0.8 nm/s ICP 혼합 모드 에칭 14.8:1 SAL601 1.34 nm/s |
| 용매 상용성(코팅) | 캐스팅 용매 캐스팅 가능한 두께 (사이클로헥사논) 이용가능한 기타 용매 선택지가 있음 |
사이클로헥사논 130 nm 까지 1.3 ㎛ 까지의 다층이 제조되었음(다른 용매로부터) |
| 용매 상용성 (경화 후 용출) |
두께 손실 (PGME, PGMEA) 두께 손실 (에틸 락테이트) 두께 손실 (EEP, 아니솔) 두께 손실 (MCB) 두께 손실 (사이클로헥사논) 두께 손실 (TMAH 25%) |
1분 침지후 용해 없음 1분 침지후 용해 없음 1분 침지후 용해 없음 1분 침지후 용해 없음 1분 침지후 용해 없음 1분 침지후 용해 없음 |
| 열특성(N2 분위기) | 두께 손실 질량 손실(TGA) |
두께 손실(%)@300 ℃ → 5분 후 2.4% 두께 손실(%)@350 ℃ → 5분 후 7.0% 두께 손실(%)@400 ℃ → 5분 후 14.2% 질량 손실(%)@300 ℃→3.4% 질량 손실(%)@350 ℃→7.0% 질량 손실(%)@400 ℃→14.2% |
| 영률 | 300 ℃ 베이킹 후, 1 ㎛ 막 | 4.7 GPa (환산 모듈러스) |
| 경도 | 300 ℃ 베이킹 후, 1 ㎛ 막 | 1.15 GPa |
| 조도 | 기재 평균 조도 RMS 조도 피크로부터 골짜기 까지의 깊이 |
미코팅 실리콘 / SoC-코팅된 Si 0.28 nm / 0.28 nm 0.35 nm / 0.36 nm 4.57 nm / 3.12 nm |
| 이미지 왼쪽: 풀러렌 하드마스크 내로 전사된 30 nm 라인 오른쪽: 실리콘 내로 에칭된 저밀도 20 nm 라인 |
||
Claims (14)
- 풀러렌 유도체 및 가교제를 포함하는 스핀-온 하드마스크 형성용 조성물로서,
상기 풀러렌 유도체는 하기 화학식 (I)로 표시되고:
<화학식 (I)>
여기서, n은 1 내지 6의 정수이고, 풀러렌 내 탄소원자 개수인 Q는 60, 70, 76, 78, 80, 82 또는 84이고, R1은 에스테르, 알코올, 페놀, 아민, 아미드, 이미드 또는 카르복실산을 포함하는 제1 치환기를 나타내고, R2는 수소, 할로겐, C6-C20 아릴기, C1-C20 알킬기, 에스테르, 알코올, 페놀, 아민, 아미드, 이미드 또는 카르복실산을 포함하는 제2 치환기를 나타내며,
상기 가교제는 둘 이상의 열적 또는 촉매적 반응성 기를 포함하는,
조성물. - 제 1 항에 있어서, 상기 조성물은 하나 이상의 추가 풀러렌 유도체를 더 포함하고, 적어도 하나의 Q는 60이고, 적어도 하나의 제2 Q는 70인, 조성물.
- 제 2 항에 있어서, 하나 이상의 열적 산 발생제를 더 포함하는 조성물.
- 제 2 항에 있어서, R1은 카르복실산인, 조성물.
- 제 4 항에 있어서, 상기 가교제는 폴리아로마틱 디아민(polyaromatic diamine)인, 조성물.
- 제 5 항에 있어서, 상기 폴리아로마틱 디아민은 4,4'-(9-플루오레닐리덴)디아닐린인, 조성물.
- 제 2 항에 있어서, 상기 가교제는, 에폭시 페놀계 노볼락 수지, 에폭시 크레실계 노볼락 수지, 에폭시 비스페놀 A 수지, 에폭시 비스페놀 A 노볼락 수지, 에폭시 비스페놀 C 수지, 알킬올메틸 멜라민 수지, 알킬올메틸 글리콜루릴 수지, 알킬올메틸 구아나민 수지, 알킬올메틸 벤조-구아나민 수지, 글리코실 요소 수지, 또는 알키드 수지로부터 선택되는, 조성물.
- 제 7 항에 있어서, 하나 이상의 열적 산 발생제를 더 포함하는 조성물.
- 제 8 항에 있어서, 상기 하나 이상의 열적 산 발생제는, 유기 술폰산의 알킬 에스테르, 유기 술폰산의 지환족 에스테르, 유기 술폰산의 아민 염, 유기 술폰산의 2-니트로벤질 에스테르, 유기 술폰산의 4-니트로벤질 에스테르, 유기 술폰산의 벤조인 에스테르, 유기 술폰산의 β-하이드록시알킬 에스테르, 유기 술폰산의 β-하이드록시사이클로알킬 에스테르, 유기 술폰산의 트리아릴 술포늄염, 유기 술폰산의 알킬 디아릴 술포늄염, 유기 술폰산의 디알킬 아릴 술포늄염, 유기 술폰산의 트리알킬 술포늄염, 유기 술폰산의 디아릴 요오도늄염, 유기 술폰산의 알킬 아릴 술포늄염, 또는 트리스(오르가노술포닐)메티드의 암모늄염으로부터 선택되는, 조성물.
- 제 7 항에 있어서, 하나 이상의 광산 발생제를 더 포함하는 조성물.
- 제 10 항에 있어서, 상기 하나 이상의 광산 발생제는, 할로겐화 트리아진, 유기 술폰산의 2-니트로벤질 에스테르, 유기 술폰산의 4-니트로벤질 에스테르, 유기 술폰산의 트리아릴 술포늄염, 유기 술폰산의 알킬 디아릴 술포늄염, 유기 술폰산의 디알킬 아릴 술포늄염, 유기 술폰산의 디아릴 요오도늄염, 유기 술폰산의 알킬 아릴 술포늄염, n-오르가노술포닐 옥시바이사이클로[2.2.1]-헵트-5-엔-2,3-디카르복시이미드, 또는 1,3-디옥소이소인돌린-2-일 유기술포네이트로부터 선택되는, 조성물.
- 제 7 항에 있어서, 상기 가교제는, 에폭시화 페놀계 수지, 에폭시화 크레실계 수지, 에폭시화 비스페놀 A 수지, 에폭시화 비스페놀 A 노볼락 수지, 에폭시 비스페놀 수지, 알킬올메틸 멜라민 수지, 알킬올메틸 글리콜루릴 수지, 알킬올메틸 구아나민 수지, 알킬올메틸 벤조-구아나민 수지, 글리코실 요소 수지, 또는 이소시아네이트 수지로부터 선택되는, 조성물.
- 제 7 항에 있어서, 상기 스핀-온 하드마스크는, 폴리에틸렌 글리콜 모노메틸 에테르 아세테이트, 에틸 락테이트, 아니솔, 톨루엔, 클로로포름, 클로로벤젠, o-디클로로벤젠, m-디클로로벤젠, p-디클로로벤젠, o-크실렌, m-크실렌, p-크실렌, 이황화탄소 또는 이들의 조합으로부터 선택되는 하나 이상의 용매를 더 포함하는, 조성물.
- a) 제 1 항 내지 제 13 항 중 어느 한 항에 따른 조성물을 제공하는 단계;
b) 코팅을 기재 상에 형성하는 단계; 및
c) 상기 기재 및 상기 코팅을, 상기 코팅을 가교결합시키기에 충분한 온도에서, 가열하는 단계;를 포함하는 스핀-온 하드마스크 형성 방법.
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| US201462061294P | 2014-10-08 | 2014-10-08 | |
| US62/061,294 | 2014-10-08 | ||
| PCT/US2015/064089 WO2016058008A2 (en) | 2014-10-08 | 2015-12-04 | Spin on hard-mask material |
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| KR20170105480A true KR20170105480A (ko) | 2017-09-19 |
| KR102514100B1 KR102514100B1 (ko) | 2023-03-24 |
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| US (1) | US10290500B2 (ko) |
| JP (1) | JP6967967B2 (ko) |
| KR (1) | KR102514100B1 (ko) |
| CN (1) | CN107207259A (ko) |
| WO (1) | WO2016058008A2 (ko) |
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| KR20200104564A (ko) * | 2019-02-27 | 2020-09-04 | 동우 화인켐 주식회사 | 하드마스크용 조성물 |
| KR20200125662A (ko) * | 2018-02-25 | 2020-11-04 | 알렉스 필립 그레이엄 로빈손 | 하드 마스크(hard mask) 조성물 |
| KR20220021315A (ko) * | 2020-08-13 | 2022-02-22 | 삼성에스디아이 주식회사 | 하드마스크 조성물 및 패턴 형성 방법 |
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| KR102675775B1 (ko) | 2016-12-27 | 2024-06-18 | 삼성전자주식회사 | 하드마스크 조성물, 이를 이용한 패턴의 형성방법 및 상기 하드마스크 조성물을 이용하여 형성된 하드마스크 |
| US10475991B2 (en) | 2018-02-22 | 2019-11-12 | Taiwan Semiconductor Manufacturing Company, Ltd. | Fabrication of large height top metal electrode for sub-60nm magnetoresistive random access memory (MRAM) devices |
| CN109461817B (zh) * | 2018-09-20 | 2020-05-12 | 中国科学院半导体研究所 | 在卤化物钙钛矿薄膜表面制作金属微纳结构的方法 |
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Also Published As
| Publication number | Publication date |
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| CN107207259A (zh) | 2017-09-26 |
| US10290500B2 (en) | 2019-05-14 |
| JP6967967B2 (ja) | 2021-11-17 |
| WO2016058008A3 (en) | 2016-05-26 |
| JP2017533464A (ja) | 2017-11-09 |
| KR102514100B1 (ko) | 2023-03-24 |
| WO2016058008A2 (en) | 2016-04-14 |
| US20170278703A1 (en) | 2017-09-28 |
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