KR102011946B1 - 반도체 장치 및 그 제조 방법 - Google Patents
반도체 장치 및 그 제조 방법 Download PDFInfo
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Abstract
Description
도 1은 일부 실시형태에 따른 핀펫(finFET) 장치를 형성하는 공정에서의 단계들을 보인 도면이다.
도 2는 일부 실시형태에 따른 소스/드레인 영역의 형성을 보인 도면이다.
도 3a 및 도 3b는 일부 실시형태에 따른 제1 핵형성 층의 형성을 보인 도면이다.
도 4a 및 도 4b는 일부 실시형태에 따른 제1 핵형성 층의 처리를 나타낸 도면이다.
도 5a 및 도 5b는 일부 실시형태에 따른 제2 핵형성 층 및 벌크 재료의 형성을 보인 도면이다.
도 6a 및 도 6b는 일부 실시형태에 따른 평탄화 처리 및 캡핑 처리를 나타낸 도면이다.
Claims (10)
- 반도체 장치 제조 방법에 있어서,
반도체 기판 위에 더미 게이트 스택을 형성하는 단계;
제1 개구를 형성하도록 상기 더미 게이트 스택을 제거하는 단계;
상기 제1 개구 내에 게이트 유전체를 성막하는 단계;
상기 제1 개구 내에 그리고 상기 게이트 유전체 위에 제1 핵형성 층을 성막하는 단계;
상기 제1 핵형성 층의 표면으로부터 산소를 제거하기 위해 상기 제1 핵형성 층을 처리하는 단계로서, 상기 제1 핵형성 층의 상기 표면은 상기 제1 핵형성 층을 처리하기 전에 산소에 노출된 것인, 상기 제1 핵형성 층을 처리하는 단계; 및
상기 제1 개구의 나머지를 충전하기 위해 도전성 물질을 성막하는 단계
를 포함하고,
상기 도전성 물질을 성막하는 단계는, 상기 제1 핵형성 층을 처리하는 단계 후에 제2 핵형성 층을 성막하는 단계를 포함하고,
상기 제1 핵형성 층은, 상기 제1 핵형성 층과 상기 제2 핵형성 층 사이의 경계에 인접하여 0보다 크지만 0.1%-원자 미만인 산소 농도를 갖는 것인 반도체 장치 제조 방법. - 제1항에 있어서, 상기 제2 핵형성 층을 성막하는 단계는, 전구체들의 제1 조합을 적용하는 단계를 포함하고,
상기 도전성 물질을 성막하는 단계는, 상기 제2 핵형성 층 상에 벌크 도전성 재료(bulk conductive material)를 성막하는 단계를 더 포함하고,
상기 벌크 도전성 재료를 성막하는 단계는, 상기 전구체들의 제1 조합과는 상이한 전구체들의 제2 조합을 적용하는 단계를 포함하는 것인 반도체 장치 제조 방법. - 제1항에 있어서,
상기 게이트 유전체의 성막 단계 후에 그리고 상기 제1 핵형성 층의 성막 단계 전에 제1 도전성 물질을 성막하는 단계
를 더 포함하는 반도체 장치 제조 방법. - 반도체 장치 제조 방법에 있어서,
기판 위의 유전체 물질 내에 개구를 형성하도록 더미 게이트 전극 물질을 제거하는 단계;
상기 개구 내에 제1 금속을 포함하는 제1 물질을 성막하는 단계;
상기 개구 내에 제2 금속을 포함하는 제2 물질을 성막하는 단계로서, 상기 제2 물질은 상기 제1 물질과 상이한 것인, 상기 제2 물질을 성막하는 단계;
상기 제2 물질 상에 제1 블로킹 물질을 성막하는 단계;
상기 제1 블로킹 물질 상에 제1 핵형성 층을 성막하는 단계;
상기 제1 핵형성 층의 표면을 산소에 노출시키는 단계;
상기 제1 핵형성 층의 표면을 산소에 노출시킨 후에, 산소가 0.1%-원자 이하의 농도로 감소되도록 상기 제1 핵형성 층의 표면으로부터 산소를 제거하는 단계;
상기 제1 핵형성 층의 표면으로부터 산소를 제거한 후에, 상기 제1 핵형성 층 상에 제2 핵형성 층을 성막하는 단계; 및
상기 제1 핵형성 층의 표면으로부터 산소를 제거하고 상기 제2 핵형성 층을 성막한 후에, 상기 개구의 나머지를 도전성 물질로 충전하는 단계
를 포함하는 반도체 장치 제조 방법. - 반도체 장치에 있어서,
기판 위의 제1 유전체 물질로서, 상기 제1 유전체 물질의 외부 표면의 대향하는 측벽들은 6보다 큰 종횡비를 갖는 것인 제1 유전체 물질;
상기 제1 유전체 물질에 인접하고 제1 금속을 포함하는 제1 도전성 물질;
상기 제1 도전성 물질에 인접하고 상기 제1 도전성 물질과는 다른 제2 도전성 물질;
상기 제2 도전성 물질에 인접한 블로킹 물질;
상기 블로킹 물질에 인접한 제1 핵형성 층; 및
상기 제1 핵형성 층에 인접한 제2 핵형성 층
을 포함하고,
상기 제1 핵형성 층은 상기 제1 핵형성 층과 상기 제2 핵형성 층 사이의 경계에 인접하여 0보다 크지만 0.1%-원자 미만인 산소 농도를 갖는 것인, 반도체 장치. - 제5항에 있어서, 상기 제1 핵형성 층은 플루오르가 없는 것인 반도체 장치.
- 제6항에 있어서, 상기 제2 핵형성 층은 플루오르를 포함하는 것인 반도체 장치.
- 제5항에 있어서,
상기 제2 핵형성 층에 인접한 벌크 도전성 재료
를 더 포함하고, 상기 벌크 도전성 재료에는 공극(void)이 없는 것인 반도체 장치. - 제8항에 있어서, 상기 벌크 도전성 재료에는, 공기가 충전된 갭(gap)이 없는 것인 반도체 장치.
- 제8항에 있어서, 상기 벌크 도전성 재료는 접합선(seam)을 포함하는 것인 반도체 장치.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662427511P | 2016-11-29 | 2016-11-29 | |
| US62/427,511 | 2016-11-29 | ||
| US15/433,121 US10522650B2 (en) | 2016-11-29 | 2017-02-15 | Semiconductor device and methods of manufacture |
| US15/433,121 | 2017-02-15 |
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| Publication Number | Publication Date |
|---|---|
| KR20180060944A KR20180060944A (ko) | 2018-06-07 |
| KR102011946B1 true KR102011946B1 (ko) | 2019-08-26 |
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| Country | Link |
|---|---|
| US (4) | US10522650B2 (ko) |
| KR (1) | KR102011946B1 (ko) |
| CN (1) | CN108122744B (ko) |
| DE (1) | DE102017117797B4 (ko) |
| TW (1) | TWI656568B (ko) |
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| KR20210082343A (ko) * | 2019-12-24 | 2021-07-05 | 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 | 반도체 디바이스를 형성하기 위한 성막 프로세스 및 시스템 |
| US12112942B2 (en) | 2019-12-24 | 2024-10-08 | Taiwan Semiconductor Manufacturing Co., Ltd. | Deposition process for forming semiconductor device and system |
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| US10269569B2 (en) | 2016-11-29 | 2019-04-23 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor device and methods of manufacture |
| CN108630751B (zh) * | 2017-03-21 | 2022-02-15 | 中芯国际集成电路制造(上海)有限公司 | 半导体结构及其形成方法 |
| US11139397B2 (en) * | 2019-09-16 | 2021-10-05 | Taiwan Semiconductor Manufacturing Co., Ltd. | Self-aligned metal compound layers for semiconductor devices |
| DE102019133935B4 (de) * | 2019-09-30 | 2022-11-03 | Taiwan Semiconductor Manufacturing Co. Ltd. | Verfahren zum ausbilden von transistorabstandshal-terstrukturen |
| KR102821437B1 (ko) * | 2020-03-02 | 2025-06-19 | 주식회사 원익아이피에스 | 기판 처리 방법 및 이를 이용하여 제조된 반도체 소자 |
| US11444198B2 (en) | 2020-05-29 | 2022-09-13 | Taiwan Semiconductor Manufacturing Co., Ltd. | Work function control in gate structures |
| CN114530501B (zh) * | 2020-11-23 | 2025-06-27 | 中芯国际集成电路制造(上海)有限公司 | 半导体结构及其形成方法 |
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| US20200091315A1 (en) | 2020-03-19 |
| US20180350950A1 (en) | 2018-12-06 |
| KR20180060944A (ko) | 2018-06-07 |
| US11031486B2 (en) | 2021-06-08 |
| US10522650B2 (en) | 2019-12-31 |
| US20180151694A1 (en) | 2018-05-31 |
| DE102017117797B4 (de) | 2022-06-15 |
| TWI656568B (zh) | 2019-04-11 |
| DE102017117797A1 (de) | 2018-05-30 |
| CN108122744B (zh) | 2020-12-22 |
| US11616132B2 (en) | 2023-03-28 |
| TW201830501A (zh) | 2018-08-16 |
| CN108122744A (zh) | 2018-06-05 |
| US10516034B2 (en) | 2019-12-24 |
| US20210296450A1 (en) | 2021-09-23 |
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