KR102026617B1 - 금속 촉매 패턴을 이용한 금속 배선 형성방법 및 이에 의한 금속 배선 - Google Patents
금속 촉매 패턴을 이용한 금속 배선 형성방법 및 이에 의한 금속 배선 Download PDFInfo
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
- C23C18/1655—Process features
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
- C23C18/28—Sensitising or activating
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
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Abstract
Description
도 2는 본 발명의 일실시예에 따른 금속 배선을 형성하는 과정을 간단하게 나타낸 모식도이다.
도 3은 본 발명의 일실시예에 따른 금속 배선을 형성하는 과정에서 그 단면을 간단하게 나타낸 모식도이다.
도 4는 본 발명의 일실시예에 따라 제조된 금속 배선의 SEM 이미지이다.
도 5는 본 발명의 일실시예에 따른 자외선(UV) 조사 시간에 따른 금속 배선의 XPS 그래프이다.
도 6은 본 발명의 일실시예에 따른 자외선(UV) 조사 시간에 따른 금속 배선에서 은 원소의 XPS 그래프이다.
20 : 코팅층
30 : 마스크 패턴
40 : 자외선
50 : 금속 촉매 패턴
60 : 금속 배선
Claims (14)
- 금속이온, 고분자 및 용매를 포함하는 코팅용액을 준비하는 단계;
상기 코팅용액을 기판 상에 도포하여 코팅층을 형성하는 단계;
상기 코팅층 상에 마스크 패턴을 위치시킨 후, 상기 마스크 패턴 사이로 자외선(UV)을 조사하여 상기 자외선이 조사된 코팅층 영역의 금속이온을 금속나노입자로 환원시켜 금속 촉매 패턴을 형성하는 단계; 및
상기 금속 촉매 패턴을 도금시켜 금속 배선을 형성하는 단계;를 포함하고,
상기 금속 촉매 패턴을 형성하는 단계는 상기 자외선을 조사하여 상기 자외선이 조사된 코팅층 영역의 고분자가 광산화되고, 상기 광산화에 의해 발생되는 전자로 인해 상기 금속이온이 금속나노입자로 환원되는 것을 특징으로 하고,
상기 코팅용액에 금속나노입자 응집 방해제를 더 첨가하는 것을 특징으로 하고,
상기 코팅층에 조사되는 자외선(UV)은 파장이 200 nm 내지 400 nm 자외선(UV)인 것을 특징으로 하고, 상기 코팅층에 자외선(UV)을 조사할 때, 조사시간은 1 분 내지 2 시간인 것을 특징으로 하고,
상기 고분자는 상기 코팅용액 내에 5 wt% 내지 22 wt% 포함되어 있는 것을 특징으로 하고,
상기 고분자는 폴리스티렌(polystyrene), 폴리메틸 메타아크릴레이트(polymethyl metacrylate), 벤조사이클로부텐(benzocyclobutene), 폴리비닐 아세테이트(poly(vinyl acetate)) 및 폴리비닐 부티랄(polyvinyl butyral) 중 선택되는 1종 이상의 고분자를 포함하는 것을 특징으로 하고,
상기 금속 촉매 패턴을 형성하는 단계 및 상기 금속 배선을 형성하는 단계 사이에 상기 자외선(UV)이 조사되지 않은 코팅층 영역을 제거하는 단계를 더 포함하는 것을 특징으로 하는 금속 배선 형성방법.
- 제 1항에 있어서,
상기 금속이온은 은이온, 팔라듐이온, 코발트이온, 니켈이온, 금이온 및 구리이온 중 선택되는 1종 이상의 금속이온인 것을 특징으로 하는 금속 배선 형성방법.
- 삭제
- 삭제
- 제 1항에 있어서,
상기 용매는 N,N-디메틸포름아마이드(N,N-dimethylformamide, DMF), 디클로로메탄(dichloromethane), 메틸렌 클로라이드(methylene chloride), 포믹 애시드(formic acid), 이소프로필 알콜(isopropyl alcohol) 및 디메틸아세트아마이드(dimethylacetamide) 중에서 선택된 어느 하나를 포함하는 것을 특징으로 하는 금속 배선 형성방법.
- 제 1항에 있어서,
상기 코팅용액을 기판 상에 도포하는 방법은 스핀 코팅(spin-coating)을 이용하는 것을 특징으로 하는 금속 배선 형성방법.
- 제 6항에 있어서,
상기 스핀 코팅(spin-coating)은 300 rpm 내지 2500 rpm 속도로 10 초 내지 120 초 동안 수행되는 것을 특징으로 하는 금속 배선 형성방법.
- 삭제
- 삭제
- 삭제
- 삭제
- 제 1항에 있어서,
상기 도금은 무전해 도금법에 의하는 것을 특징으로 하는 금속 배선 형성방법.
- 제 1항에 있어서,
상기 도금을 하는 경우 도금 금속은 구리, 니켈, 크롬, 아연, 주석 및 알루미늄 중 선택되는 1종 이상의 금속인 것을 특징으로 하는 금속 배선 형성방법.
- 제 1항의 금속 배선 형성방법에 따라 제조된 금속 배선.
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US7504199B2 (en) * | 2003-12-16 | 2009-03-17 | Samsung Electronics Co., Ltd. | Method of forming metal pattern having low resistivity |
KR100815376B1 (ko) * | 2006-08-17 | 2008-03-19 | 삼성전자주식회사 | 신규한 금속패턴 제조방법 및 이를 이용한 평판표시소자 |
KR101039104B1 (ko) * | 2008-11-12 | 2011-06-07 | 한국원자력연구원 | 이온빔 또는 방사선을 이용한 금속 나노입자 함유 고분자 패턴 및 금속 입자 패턴의 형성 방법 |
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