KR102398801B1 - 코발트의 데미지를 억제한 반도체 소자의 세정액, 및 이것을 이용한 반도체 소자의 세정방법 - Google Patents
코발트의 데미지를 억제한 반도체 소자의 세정액, 및 이것을 이용한 반도체 소자의 세정방법 Download PDFInfo
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Abstract
Description
도 2는 드라이에칭잔사 제거전의 반도체 소자에 있어서의, 텅스텐을 포함하는 재료를 갖는 층의 일례를 나타낸 개략단면도이다.
Claims (11)
- 저유전율막(Low-k막)과, (1)코발트 또는 코발트합금을 포함하는 재료, 혹은 (2)코발트 또는 코발트합금 및 텅스텐을 포함하는 재료를 갖는 반도체 소자의 표면의 드라이에칭잔사를 제거하는 세정액으로서, 알칼리 금속 화합물 0.001~7질량%, 과산화물 0.005~35질량%, 방식제 0.005~10질량%, 알칼리토류 금속 화합물 0.000001~1질량% 및 물을 포함하는, 상기 세정액.
- 제1항에 있어서,
상기 알칼리 금속 화합물이, 수산화리튬, 황산리튬, 탄산리튬, 탄산수소리튬, 질산리튬, 불화리튬, 염화리튬, 브롬화리튬, 요오드화리튬, 아세트산리튬, 수산화나트륨, 황산나트륨, 탄산나트륨, 탄산수소나트륨, 질산나트륨, 불화나트륨, 염화나트륨, 브롬화나트륨, 요오드화나트륨, 아세트산나트륨, 수산화칼륨, 황산칼륨, 탄산칼륨, 탄산수소칼륨, 질산칼륨, 불화칼륨, 염화칼륨, 브롬화칼륨, 요오드화칼륨, 아세트산칼륨, 수산화세슘, 황산세슘, 탄산세슘, 탄산수소세슘, 질산세슘, 불화세슘, 염화세슘, 브롬화세슘, 요오드화세슘, 및 아세트산세슘으로 이루어진 군으로부터 선택되는 적어도 1종 이상인 세정액. - 제1항에 있어서,
상기 과산화물이, 과산화수소, 과산화요소, 메타클로로과안식향산, tert-부틸하이드로퍼옥사이드, 과아세트산, 디-tert-부틸퍼옥사이드, 과산화벤조일, 과산화아세톤, 메틸에틸케톤퍼옥사이드, 헥사메틸렌트리퍼옥사이드, 및 쿠멘하이드로퍼옥사이드로 이루어진 군으로부터 선택되는 적어도 1종 이상인 세정액. - 제1항에 있어서,
상기 방식제가, 디아민 화합물, 알칸올아민 화합물, 피라졸 화합물, 이미다졸 화합물, 및 트리아졸 화합물로 이루어진 군으로부터 선택되는 적어도 1종 이상인 세정액. - 제4항에 있어서,
상기 디아민 화합물이, 1,2-프로판디아민, 1,3-프로판디아민, 및 1,4-부탄디아민으로 이루어진 군으로부터 선택되는 적어도 1종 이상인 세정액. - 제4항에 있어서,
상기 알칸올아민 화합물이, 2-아미노에탄올, 2-메틸아미노에탄올, 1-아미노-2-프로판올, 및 1-아미노-3-프로판올로 이루어진 군으로부터 선택되는 적어도 1종 이상인 세정액. - 제4항에 있어서,
상기 피라졸 화합물이, 피라졸, 및 3,5-디메틸피라졸로 이루어진 군으로부터 선택되는 적어도 1종 이상인 세정액. - 제4항에 있어서,
상기 이미다졸 화합물이, 1-메틸이미다졸, 1-비닐이미다졸, 및 5-메틸벤조이미다졸로 이루어진 군으로부터 선택되는 적어도 1종 이상인 세정액. - 제4항에 있어서,
상기 트리아졸 화합물이, 1,2,4-트리아졸, 1,2,3-트리아졸, 및 5-메틸-1H-벤조트리아졸로 이루어진 군으로부터 선택되는 적어도 1종 이상인 세정액. - 제1항에 있어서,
상기 알칼리토류 금속 화합물이, 칼슘 화합물, 스트론튬 화합물, 및 바륨 화합물로 이루어진 군으로부터 선택되는 적어도 1종 이상인 세정액. - 저유전율막(Low-k막)과, (1)코발트 또는 코발트합금을 포함하는 재료, 혹은 (2)코발트 또는 코발트합금 및 텅스텐을 포함하는 재료를 갖는 기판 상에, 하드마스크패턴을 형성하고, 이어서 이 하드마스크패턴을 마스크로 하고, 상기 저유전율막(Low-k막)에 드라이에칭처리를 실시한 반도체 소자를 세정하여, 이 반도체 소자의 표면의 드라이에칭잔사를 제거하는 세정방법으로서, 제1항 내지 제10항 중 어느 한 항에 기재된 세정액을 이용하는 것을 특징으로 하는, 상기 세정방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2014-230636 | 2014-11-13 | ||
| JP2014230636 | 2014-11-13 | ||
| PCT/JP2015/078077 WO2016076033A1 (ja) | 2014-11-13 | 2015-10-02 | コバルトのダメージを抑制した半導体素子の洗浄液、およびこれを用いた半導体素子の洗浄方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170083025A KR20170083025A (ko) | 2017-07-17 |
| KR102398801B1 true KR102398801B1 (ko) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020177008629A Active KR102398801B1 (ko) | 2014-11-13 | 2015-10-02 | 코발트의 데미지를 억제한 반도체 소자의 세정액, 및 이것을 이용한 반도체 소자의 세정방법 |
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| Country | Link |
|---|---|
| US (1) | US10629426B2 (ko) |
| EP (1) | EP3220409B1 (ko) |
| JP (1) | JP6555274B2 (ko) |
| KR (1) | KR102398801B1 (ko) |
| CN (1) | CN107078044B (ko) |
| IL (1) | IL252100B (ko) |
| TW (1) | TWI667340B (ko) |
| WO (1) | WO2016076033A1 (ko) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10160938B2 (en) | 2014-11-13 | 2018-12-25 | Mitsubishi Gas Chemical Company, Inc. | Semiconductor element cleaning solution that suppresses damage to tantalum-containing materials, and cleaning method using same |
| KR102388074B1 (ko) * | 2014-11-13 | 2022-04-19 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 반도체소자를 세정하기 위한 알칼리토류 금속을 포함하는 세정액, 및 이것을 이용한 반도체 소자의 세정방법 |
| KR102111307B1 (ko) | 2016-06-02 | 2020-05-15 | 후지필름 가부시키가이샤 | 처리액, 기판의 세정 방법 및 레지스트의 제거 방법 |
| KR102051346B1 (ko) | 2016-06-03 | 2019-12-03 | 후지필름 가부시키가이샤 | 처리액, 기판 세정 방법 및 레지스트의 제거 방법 |
| KR102055154B1 (ko) * | 2016-07-29 | 2019-12-12 | 후지필름 가부시키가이샤 | 처리액 및 기판 세정 방법 |
| TWI762681B (zh) | 2017-07-31 | 2022-05-01 | 日商三菱瓦斯化學股份有限公司 | 抑制鈷、氧化鋁、層間絕緣膜與氮化矽之損傷的組成液及利用此組成液的清洗方法 |
| WO2019044463A1 (ja) * | 2017-08-31 | 2019-03-07 | 富士フイルム株式会社 | 処理液、キット、基板の洗浄方法 |
| US11037779B2 (en) | 2017-12-19 | 2021-06-15 | Micron Technology, Inc. | Gas residue removal |
| JP7294315B2 (ja) * | 2018-03-02 | 2023-06-20 | 三菱瓦斯化学株式会社 | アルミナのダメージを抑制した組成物及びこれを用いた半導体基板の製造方法 |
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| EP3767666B1 (en) * | 2018-03-14 | 2024-03-27 | Mitsubishi Gas Chemical Company, Inc. | Cleaning solution for removing dry etching residue and method for manufacturing semiconductor substrate using same |
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- 2015-10-02 EP EP15859334.3A patent/EP3220409B1/en active Active
- 2015-10-02 KR KR1020177008629A patent/KR102398801B1/ko active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3220409A1 (en) | 2017-09-20 |
| CN107078044B (zh) | 2020-06-19 |
| KR20170083025A (ko) | 2017-07-17 |
| JPWO2016076033A1 (ja) | 2017-08-24 |
| US10629426B2 (en) | 2020-04-21 |
| CN107078044A (zh) | 2017-08-18 |
| EP3220409B1 (en) | 2020-08-05 |
| US20170240850A1 (en) | 2017-08-24 |
| EP3220409A4 (en) | 2018-04-25 |
| IL252100B (en) | 2020-05-31 |
| TW201619361A (zh) | 2016-06-01 |
| JP6555274B2 (ja) | 2019-08-07 |
| IL252100A0 (en) | 2017-07-31 |
| TWI667340B (zh) | 2019-08-01 |
| WO2016076033A1 (ja) | 2016-05-19 |
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