KR20170015062A - 다공질 저-k 구조 형성 시스템 및 방법 - Google Patents
다공질 저-k 구조 형성 시스템 및 방법 Download PDFInfo
- Publication number
- KR20170015062A KR20170015062A KR1020150159825A KR20150159825A KR20170015062A KR 20170015062 A KR20170015062 A KR 20170015062A KR 1020150159825 A KR1020150159825 A KR 1020150159825A KR 20150159825 A KR20150159825 A KR 20150159825A KR 20170015062 A KR20170015062 A KR 20170015062A
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- Prior art keywords
- dielectric material
- barrier layer
- dielectric constant
- disposed
- low
- Prior art date
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Abstract
Description
도 1-5 및 9-12는 본 발명의 일부 실시양태에 따른 제조의 여러 단계에서 반도체 디바이스의 개략적인 횡단 측면도이다.
도 6a-6b는 본 발명의 일부 실시양태에 따른 저-k 유전체 물질의 형성에 이용되는 전구체의 제1 성분 및 제2 성분의 화학식을 나타낸 것이다.
도 7은 단량체 및 본 발명의 일부 실시양태에 따른 단량체로 구성된 미셀의 모식도이다.
도 8a-8b는 본 발명의 일부 실시양태에 따라 도 7의 미셀을 형성할 수 있는 계면활성제형 포로겐의 화학식을 나타낸 것이다.
도 13은 본 발명의 일부 실시양태에 따른 저-k 유전체 물질 내부에서의 규소 함량 변화를 나타내는 그래프이다.
도 14는 본 발명의 일부 실시양태에 따른 반도체 디바이스의 제조 방법을 도시하는 흐름도이다.
Claims (10)
- 기판;
상기 기판 위에 배치되고, 복수의 개구들에 의해 서로 분리되어 있는 복수의 전도성 소자들; 및
상기 전도성 소자들 위 및 상기 전도성 소자들 사이에 배치되는 유전체 물질로서, 상기 개구들 내부에 배치되는 제1 부분, 및 상기 개구들 위와 상기 전도성 소자들 위에 배치되는 제2 부분을 포함하는 유전체 물질
을 포함하는 반도체 디바이스로서,
상기 제1 부분이 상기 제2 부분보다 더 다공질인 반도체 디바이스. - 제1항에 있어서, 상기 유전체 물질의 제1 부분이 상기 유전체 물질의 제2 부분보다 낮은 유전 상수를 갖는 반도체 디바이스.
- 제1항에 있어서,
상기 유전체 물질이 복수의 다공질 구조를 포함하고,
상기 유전체 물질의 제1 부분에 배치된 다공질 구조는 상기 유전체 물질의 제2 부분에 배치된 다공질 구조보다 크기가 더 큰 반도체 디바이스. - 제1항에 있어서, 상기 전도성 소자들과 상기 유전체 물질 사이에 배치되는 배리어층을 추가로 포함하고, 상기 배리어층의 표면이 친수성을 갖는 반도체 디바이스.
- 제1항에 있어서, 상기 전도성 소자들은 배선 구조의 금속 라인인 반도체 디바이스.
- 제1항에 있어서, 상기 전도성 소자들의 적어도 일부 위에 배치된 하나 이상의 전도성 비아를 추가로 포함하는 반도체 디바이스.
- 제1항에 있어서, 상기 유전체 물질의 유전 상수는 이산화규소의 유전 상수보다 작은 반도체 디바이스.
- 기판;
상기 기판 위에 배치되는 복수의 금속 소자들; 및
상기 금속 소자들 사이 및 상기 금속 소자들 위에 배치되는 저-k 유전체 물질로서, 상기 금속 소자들 사이에 배치되고 제1 유전 상수를 갖는 제1 부분, 및 상기 금속 소자들 위에 배치되고 제2 유전 상수를 갖는 제2 부분을 포함하는 저-k 유전체 물질
을 포함하는 반도체 디바이스로서,
상기 제1 유전 상수는 상기 제2 유전 상수보다 낮고;
상기 제1 유전 상수 및 상기 제2 유전 상수는 각각 이산화규소의 유전 상수보다 작은 반도체 디바이스. - 반도체 디바이스의 제조 방법으로서,
복수의 개구에 의해 서로 분리되어 있는 복수의 전도성 소자를 기판 위에 형성하는 단계;
상기 개구의 측벽을 덮도록 형성된 배리어층을 상기 전도성 소자 위에 형성하는 단계;
배리어층에 처리 공정을 실시하는 단계로서, 상기 처리 공정이 실시된 후 배리어층이 친수성이 되는 단계; 및
상기 처리 공정이 실시된 후 상기 배리어층 위에, 상기 개구를 채우고 복수의 포로겐을 함유하는 유전체 물질을 형성하는 단계
를 포함하는 제조 방법. - 제9항에 있어서, 상기 처리 공정이 이하의 공정 조건에서 실시되는 것인 제조 방법:
500의 분당 표준 세제곱 센티미터(sccm) 내지 2000 sccm 범위의 유속;
100℃ 내지 400℃ 범위의 공정 온도;
0.1 Torr 내지 10 Torr 범위의 공정 압력;
50 Watt 내지 1500 Watt 범위의 공정 동력; 및
2초 내지 120초 범위의 공정 지속시간.
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| US10008382B2 (en) * | 2015-07-30 | 2018-06-26 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor device having a porous low-k structure |
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2015
- 2015-07-30 US US14/813,177 patent/US10008382B2/en active Active
- 2015-11-13 KR KR1020150159825A patent/KR101845592B1/ko active Active
- 2015-11-17 TW TW104137841A patent/TWI585971B/zh active
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2016
- 2016-07-04 CN CN201610531827.4A patent/CN106409654B/zh active Active
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2018
- 2018-06-25 US US16/016,804 patent/US10679846B2/en active Active
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2020
- 2020-06-08 US US16/895,800 patent/US11637010B2/en active Active
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2023
- 2023-04-24 US US18/305,639 patent/US12300486B2/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190064446A (ko) * | 2017-11-30 | 2019-06-10 | 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 | 반도체 디바이스용 접촉 플러그 및 그 형성 방법 |
| US10847413B2 (en) | 2017-11-30 | 2020-11-24 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method of forming contact plugs for semiconductor device |
| TWI716768B (zh) * | 2017-11-30 | 2021-01-21 | 台灣積體電路製造股份有限公司 | 半導體元件之製造方法 |
| US11756864B2 (en) | 2017-11-30 | 2023-09-12 | Taiwan Semiconductor Manufacturing Company, Ltd. | Contact plugs for semiconductor device |
| US12431412B2 (en) | 2017-11-30 | 2025-09-30 | Taiwan Semiconductor Manufacturing Company, Ltd. | Contact plugs for semiconductor device and method of forming same |
Also Published As
| Publication number | Publication date |
|---|---|
| US10679846B2 (en) | 2020-06-09 |
| US20200303184A1 (en) | 2020-09-24 |
| US12300486B2 (en) | 2025-05-13 |
| US20180308689A1 (en) | 2018-10-25 |
| US20230260781A1 (en) | 2023-08-17 |
| CN106409654B (zh) | 2020-01-14 |
| US11637010B2 (en) | 2023-04-25 |
| TW201705474A (zh) | 2017-02-01 |
| US20170033043A1 (en) | 2017-02-02 |
| KR101845592B1 (ko) | 2018-04-04 |
| TWI585971B (zh) | 2017-06-01 |
| CN106409654A (zh) | 2017-02-15 |
| US10008382B2 (en) | 2018-06-26 |
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