KR101877017B1 - 반도체 반응기 및 반도체 반응기용 금속모재의 코팅층 형성방법 - Google Patents
반도체 반응기 및 반도체 반응기용 금속모재의 코팅층 형성방법 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 다른 실험예에 따라 제조된 시편의 단면을 보여주는 주사전자현미경(SEM) 사진이다.
도 3은 도 2의 시편의 단면 미세구조와 농도분포를 보여주는 주사전자현미경(SEM) 사진이다.
20, 20a: 결정질 알루미나 산화층
30: 복합산화막
Claims (15)
- 반도체 반응기용 금속모재를 NaOH 및 NaAlO2를 포함하는 알칼리 수용액성 전해액에 담지하는 단계; 및
상기 금속모재에 전극을 연결하고 상기 전극에 전원을 공급하여, 플라즈마 전해 산화(plasma electrolytic oxidation, PEO)법으로 상기 금속모재 상에 코팅층을 형성하는 단계를 포함하고,
상기 금속모재는 알루미늄 합금을 포함하고,
상기 전해액은 이트륨염을 더 포함하고,
상기 코팅층은 내부에 알루미늄 산화막을 포함하고, 표면부에 알루미늄 산화물 및 이트륨 산화물의 복합산화막을 포함하고,
상기 코팅층의 내부의 알루미늄 산화막 및 상기 코팅층의 표면부의 상기 복합산화막 내 알루미늄 산화물은 상기 플라즈마 전해 산화법으로 상기 코팅층을 형성하는 단계에서 상기 금속모재로부터 제공된 알루미늄이 전해 산화되어 형성된,
반도체 반응기용 금속모재 상의 코팅층 형성방법. - 삭제
- 제 1 항에 있어서, 상기 복합산화막은 알루미늄-이트륨 산화물을 더 포함하는, 반도체 반응기용 금속모재 상의 코팅층 형성방법.
- 제 1 항에 있어서, 상기 전해액은 이트륨염으로 Y(NO3)3를 포함하는, 반도체 반응기용 금속모재 상의 코팅층 형성방법.
- 제 1 항에 있어서, 상기 코팅층을 형성하는 단계에서, 플라즈마 전해 산화를 위해서 음전압 인가시간이 양전압 인가시간보다 큰 쌍극펄스 전류를 인가하는, 반도체 반응기용 금속모재 상의 코팅층 형성방법.
- 제 5 항에 있어서, 상기 코팅층을 형성하는 단계에서, 상기 쌍극펄스 전류의 음전류 밀도가 양전류 밀도보다 큰, 반도체 반응기용 금속모재 상의 코팅층 형성방법.
- 제 1 항 또는 제 3 항 내지 제 6 항의 어느 한 항에 있어서,
상기 코팅층 내 구리(Cu) 및 규소(Si)의 함량을 낮추기 위해서, 상기 금속모재는 0.5 중량% 이하(0 중량% 초과)의 구리(Cu) 및 0.5 중량% 이하(0 중량% 초과)의 규소(Si)를 함유하는 알루미늄 합금을 포함하는, 반도체 반응기용 금속모재 상의 코팅층 형성방법. - 제 7 항에 있어서, 상기 코팅층 내 마그네슘(Mg)의 함량을 높이기 위해서, 상기 알루미늄 합금은 0.5 중량% 이하(0 중량% 초과)의 구리(Cu), 0.5 중량% 이하(0 중량% 초과)의 규소(Si) 및 1.0 ~ 50 중량%의 마그네슘(Mg)을 함유하는, 반도체 반응기용 금속모재 상의 코팅층 형성방법.
- 제 8 항에 있어서, 상기 알루미늄 합금은 0.2 중량% 이하(0 중량% 초과)의 구리(Cu), 0.4 중량% 이하(0 중량% 초과)의 규소(Si) 및 2.0 ~ 50 중량%의 마그네슘(Mg)을 함유하고,
상기 코팅층에서 칼륨 농도가 0.1 중량% 이하이고, 구리농도가 0.1 중량% 이하이며, 실리콘 농도가 0.5 중량% 이하인, 반도체 반응기용 금속모재 상의 코팅층 형성방법. - 금속모재; 및
상기 금속모재 상에 플라즈마 전해 산화(plasma electrolytic oxidation, PEO)법으로 형성된 코팅층을 포함하고,
상기 코팅층은 상기 금속모재를 NaOH 및 NaAlO2를 포함하는 알칼리 수용액성 전해액에 담지한 상태에서 상기 금속모재에 전극을 연결하고 상기 전극에 전원을 공급하여, 플라즈마 전해 산화(plasma electrolytic oxidation, PEO)법으로 형성되고,
상기 금속모재는 알루미늄 합금을 포함하고,
상기 전해액은 이트륨염을 더 포함하고,
상기 코팅층은 내부에 알루미늄 산화막을 포함하고, 표면부에 알루미늄 산화물 및 이트륨 산화물의 복합산화막을 포함하고,
상기 코팅층의 내부의 알루미늄 산화막 및 상기 코팅층의 표면부의 상기 복합산화막 내 알루미늄 산화물은 상기 플라즈마 전해 산화법으로 상기 코팅층을 형성하는 단계에서 상기 금속모재로부터 제공된 알루미늄이 전해 산화되어 형성된,
반도체 반응기. - 삭제
- 제 10 항에 있어서, 상기 복합산화막은 알루미늄-이트륨 산화물을 더 포함하는, 반도체 반응기.
- 제 10 항에 있어서,
상기 알루미늄 합금은 0.5 중량% 이하(0 중량% 초과)의 구리(Cu), 0.5 중량% 이하(0 중량% 초과)의 규소(Si)를 함유하고,
상기 코팅층의 칼륨 농도가 0.1 중량% 이하이고, 구리농도가 0.1 중량% 이하이며, 실리콘 농도가 0.5 중량% 이하인 결정질 α-Al2O3와 γ-Al2O3을 포함하는, 반도체 반응기. - 제 10 항에 있어서,
상기 알루미늄 합금은 0.5 중량% 이하(0 중량% 초과)의 구리(Cu), 0.5 중량% 이하(0 중량% 초과)의 규소(Si)를 함유하고,
상기 코팅층의 표면부에서 칼륨 농도는 0.1 중량% 이하이고 이트륨 산화물의 농도는 10.0 중량% 이상인 Al-Y-O-rich 복합산화막을 포함하는, 반도체 반응기. - 제 10 항에 있어서,
상기 코팅층의 두께는 20 내지 100㎛ 범위인, 반도체 반응기.
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| KR1020170003064A KR101877017B1 (ko) | 2017-01-09 | 2017-01-09 | 반도체 반응기 및 반도체 반응기용 금속모재의 코팅층 형성방법 |
| CN201810018154.1A CN108385148B (zh) | 2017-01-09 | 2018-01-09 | 半导体反应器及半导体反应器用金属母材的涂层形成方法 |
| PCT/KR2018/000436 WO2018128527A1 (ko) | 2017-01-09 | 2018-01-09 | 반도체 반응기 및 반도체 반응기용 금속모재의 코팅층 형성방법 |
| JP2019535243A JP6927646B2 (ja) | 2017-01-09 | 2018-01-09 | 半導体反応器及び半導体反応器用金属母材のコーティング層形成方法 |
| US16/476,574 US20200152426A1 (en) | 2017-01-09 | 2018-01-09 | Semiconductor reactor and method for forming coating layer on metal base material for semiconductor reactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220041440A (ko) * | 2020-09-25 | 2022-04-01 | 한국과학기술연구원 | 레이저 소결을 이용한 내플라즈마 코팅막 치밀화 방법 |
| KR20220041439A (ko) * | 2020-09-25 | 2022-04-01 | 한국과학기술연구원 | 레이저를 이용한 내플라즈마 코팅막 형성방법 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20220403531A1 (en) * | 2021-06-17 | 2022-12-22 | Applied Materials, Inc. | Conformal yttrium oxide coating |
| CN114015915A (zh) * | 2021-10-25 | 2022-02-08 | 宁波吉胜铸业有限公司 | 一种耐磨泵盖 |
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| Publication number | Publication date |
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| JP2020504241A (ja) | 2020-02-06 |
| JP6927646B2 (ja) | 2021-09-01 |
| WO2018128527A1 (ko) | 2018-07-12 |
| CN108385148A (zh) | 2018-08-10 |
| CN108385148B (zh) | 2020-08-21 |
| US20200152426A1 (en) | 2020-05-14 |
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