KR100807948B1 - 저저항 금속 배선 형성방법, 금속 배선 구조 및 이를이용하는 표시장치 - Google Patents
저저항 금속 배선 형성방법, 금속 배선 구조 및 이를이용하는 표시장치 Download PDFInfo
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Abstract
Description
(가) 민감화 용액 | (나) Pd 활성화액 | (다) 구리도금 용액 |
탈이온수 800 ml CuSO4·5H2O 5.99g EDTA·4Na 26.99g HCHO (37wt%) 7.47mL 2,2-디피리딜 용액 5mL | 1 리터 탈이온수 진한 염산 2 ㎖ PdCl2 0.03g | 황산구리 3.5g 주석산염 8.5g 포르말린(37%) 22 ㎖ 티오뇨소 1g 암모니아 40g |
실시예 | 비저항(μohm-cm) 도금층 두께 300 nm | 비저항 (μohm-cm)- 도금층 두께 450 nm | 박리 실험 |
비교예 1 (Cu) | 3.0 | 2.8 | 0/140 |
비교예 2 (Pd) | 측정 불가 | 측정 불가 | 88/140 |
비교예 3 (Sn/Pd) | 2.9 | 2.4 | 69/140 |
실시에 1 (Cu/Pd) | 2.6 | 2.5 | 24/140 |
Claims (24)
- 패턴이 형성된 기판 표면을 활성화시켜 다수의 금속핵을 형성한 후, 그 위에 도금층을 형성함으로써 저저항 금속 배선을 형성함에 있어서, 기판의 활성화 처리 이전에 구리 화합물을 사용하여 민감화 처리를 행하는 단계를 포함하는 것을 특징으로 하는 저저항 금속 배선 형성방법.
- 제 1항에 있어서, 상기 방법이절연 기판 위에 하부 도전 배선막을 형성하는 단계;상기 하부 도전 배선막 위에 구리 화합물을 이용하여 민감화(sensitization) 처리하는 단계;민감화처리된 기판을 활성화 처리하여 표면에 다수의 촉매 금속핵을 형성하는 단계; 및활성화 처리된 다층 촉매막 상에 하나 이상의 도금층을 형성하는 도금 단계를 포함하는 것을 특징으로 하는 저저항 금속 배선 형성방법.
- 제 2항에 있어서, 상기 하부 도전 배선막 형성 단계는기판 위에 금속 박막을 형성하는 단계;상기 금속 박막 위에 감광막을 형성하는 단계;마스크를 이용해서 선택적으로 노광 및 현상하여 패턴을 형성하는 단계;패터닝된 감광막을 에칭하는 단계를 포함하는 것을 특징으로 하는 저저항 금속 배선 형성방법.
- 제 2항에 있어서, 상기 구리 화합물은 구리, 구리 합금, 황산구리 또는 염화구리인 것을 특징으로 하는 저저항 금속 배선 형성방법.
- 제 2항에 있어서, 상기 활성화 처리 단계는 팔라듐, 팔라듐 합금, 염화팔라듐, 팔라듐 클로라이드를 처리하는 단계인 것을 특징으로 하는 저저항 금속 배선 형성방법.
- 제 2항에 있어서, 상기 도금 단계는 습식법으로 무전해 도금 방식에 의해 수행되거나 전해 도금 방식에 의해 수행되는 것을 특징으로 하는 저저항 금속 배선 형성방법.
- 제 2항에 있어서, 상기 도금 단계의 도금 금속은 Ni, Cu, Ag, Au 및 이들의 합금으로 구성된 그룹으로부터 선택되는 것임을 특징으로 하는 저저항 금속 배선 형성방법.
- 제 2항에 있어서, 상기 도금 단계는 구리염, 착화제, 환원제, pH 조절제를 포함하는 구리 무전해 도금액에 민감화 및 활성화 처리된 하부 도전 배선막을 침지 하여 수행되는 것을 특징으로 하는 저저항 금속 배선 형성방법.
- 제 3항에 있어서, 상기 금속 박막은 몰리브덴, 니켈, 구리, 타이타늄, 탄탈늄,텅스텐 및 이들을 적어도 일 성분으로 하는 합금에 의해 형성되는 것을 특징으로 하는 저저항 금속 배선 형성방법.
- 제 1 항에 있어서, 상기 방법이 상기 도금층 상에 보호층을 형성하는 단계를 더 포함하는 것을 특징으로 하는 저저항 금속 배선 형성방법.
- 제 10항에 있어서, 상기 보호층은 니켈 또는 니켈 합금을 포함하는 것을 특징으로 하는 저저항 금속 배선 형성방법.
- 제 1 항에 있어서, 상기 방법이 도금층을 형성하여 저저항 금속 배선을 형성한 후, 어닐링하는 단계를 더 포함하는 것을 특징으로 하는 저저항 금속 배선 형성방법.
- 제 12항에 있어서, 상기 어닐링 단계는 40 내지 400℃ 온도에서 질소 또는 아르곤 가스 또는 진공 분위기 하에서 15 내지 120분 동안 수행되는 것을 특징으로 하는 저저항 금속 배선 형성방법.
- 기판 위에 형성된 하부 도전 배선막 및 상부 도전 배선막을 포함하는 금속 배선 구조에 있어서, 상기 금속 배선 구조가 하부 도전 배선막과 상부 도전 배선막 사이에 구리 화합물 및 팔라듐 화합물을 포함하는 시드층을 포함하는 것을 특징으로 하는 금속 배선 구조.
- 제 14항에 있어서, 상기 금속 배선 구조는기판 위에 적층된 하부 도전 배선막;상기 하부 도전 배선막 위에 형성된 구리 화합물 및 팔라듐 화합물을 포함하는 시드층; 및상기 시드층 위에 형성되는 상부 도전 배선막을 포함하는 것을 특징으로 하는 금속 배선 구조.
- 제 14항에 있어서, 상기 하부 도전 배선막은 몰리브덴, 니켈, 구리, 타이타늄, 탄탈륨, 텅스텐 및 이들을 적어도 일 성분으로 하는 합금으로 구성되는 그룹으로부터 선택되는 도전 물질을 포함하는 것을 특징으로 하는 금속 배선 구조.
- 제 14항에 있어서, 상기 상부 도전 배선막은 니켈, 구리, 은, 금 및 이들을 일 성분으로 하는 합금으로 구성된 그룹으로부터 선택되는 도전 물질을 포함하는 것을 특징으로 금속 배선 구조.
- 제 14항에 있어서, 상기 시드층은 구리 화합물을 포함하는 구리 시드층 및 팔라듐 화합물을 포함하는 팔라듐 시드층을 포함하는 것을 특징으로 하는 금속 배선 구조.
- 제 14항에 있어서, 상기 구리 화합물은 구리, 구리 합금, 황산구리, 염화구리로 구성되는 군에서 선택되는 것임을 특징으로 하는 금속 배선 구조.
- 제 14항에 있어서, 상기 팔라듐 화합물은 팔라듐, 팔라듐 합금, 염화팔라듐, 팔라듐 클로라이드로 구성되는 군에서 선택되는 것임을 특징으로 하는 금속 배선 구조.
- 제 14항에 있어서, 상기 금속 배선 구조는 상부 도전 배선막 위에 형성된 보호층을 추가로 포함하는 것을 특징으로 하는 금속 배선 구조.
- 제 21항에 있어서, 상기 보호층은 니켈 또는 니켈 합금을 포함하는 것을 특징으로 하는 금속 배선 구조.
- 제 14항 내지 제 22항 중 어느 한 항의 금속 배선 구조를 포함하는 표시 장치.
- 제 23항에 있어서, 상기 표시 장치가 액정 표시 장치인 것을 특징으로 하는 표시 소자.
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KR20070020168A KR100807948B1 (ko) | 2007-02-28 | 2007-02-28 | 저저항 금속 배선 형성방법, 금속 배선 구조 및 이를이용하는 표시장치 |
US11/833,542 US20080206530A1 (en) | 2007-02-28 | 2007-08-03 | Method of forming low-resistance metal pattern, patterned metal structure, and display devices using the same |
TW96139658A TWI356457B (en) | 2007-02-28 | 2007-10-23 | Method of forming low-resistance metal pattername |
US13/941,947 US9136047B2 (en) | 2007-02-28 | 2013-07-15 | Method of forming low-resistance metal pattern, patterned metal structure, and display devices using the same |
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KR20160040065A (ko) * | 2014-10-02 | 2016-04-12 | 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 | 개선된 에칭 공정 |
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TW201337258A (zh) * | 2012-03-15 | 2013-09-16 | Jiang Hui Ping | 感測試片及其製作方法 |
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JP7339724B2 (ja) * | 2017-12-19 | 2023-09-06 | アキレス株式会社 | 液晶素子用の電極基板 |
JP2019109367A (ja) * | 2017-12-19 | 2019-07-04 | アキレス株式会社 | 液晶素子用の電極基板 |
CN111916353B (zh) | 2020-07-29 | 2024-05-03 | 滁州惠科光电科技有限公司 | 一种显示面板的制作方法和显示面板 |
CN114594624A (zh) * | 2022-01-27 | 2022-06-07 | 业成科技(成都)有限公司 | 显示模组及制作方法与触控显示模组、显示器、电子设备 |
US20240404879A1 (en) * | 2023-06-01 | 2024-12-05 | Semiconductor Components Industries, Llc | Electroless plating methods |
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TWI356457B (en) | 2012-01-11 |
TW200836264A (en) | 2008-09-01 |
US20080206530A1 (en) | 2008-08-28 |
US9136047B2 (en) | 2015-09-15 |
US20130299450A1 (en) | 2013-11-14 |
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