KR101124898B1 - 저유전체 절연막을 가지는 반도체 장치 및 그 제조 방법 - Google Patents
저유전체 절연막을 가지는 반도체 장치 및 그 제조 방법 Download PDFInfo
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- KR101124898B1 KR101124898B1 KR1020097006033A KR20097006033A KR101124898B1 KR 101124898 B1 KR101124898 B1 KR 101124898B1 KR 1020097006033 A KR1020097006033 A KR 1020097006033A KR 20097006033 A KR20097006033 A KR 20097006033A KR 101124898 B1 KR101124898 B1 KR 101124898B1
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Abstract
Description
Claims (38)
- 반도체 기판;상기 반도체기판의 일면 상의 주변부를 제외한 영역에 설치되고, 비유전율이 3.0 이하이고 유전 전이 온도가 400℃ 이상인 저유전율막과 배선의 적층 구조를 포함하는 저유전체막-배선-적층 구조부;상기 저유전체막-배선-적층 구조부의 위쪽에 설치된 절연막;상기 절연막 상에 상기 저유전체막-배선-적층 구조부의 최상층 배선의 접속 패드부에 접속되어 설치된 상층 배선의 전극용 접속패드부;상기 전극용 접속패드부 위에 설치된 외부 접속용 범프 전극;적어도 상기 외부접속용 범프 전극의 주위에 있어서의 상기 절연막 위에 설치된 유기 수지를 포함하는 실링막을 구비하고,상기 절연막과 상기 저유전체막-배선-적층 구조부 사이에, 무기재료를 포함하는 패시베이션막을 갖고,상기 절연막, 상기 패시베이션막 및 상기 저유전체막-배선-적층 구조부의 측면은 일면을 형성하고, 그리고 상기 절연막, 패시베이션막 및 저유전체막-배선-적층 구조부의 측면은 상기 실링막에 의해서 덮이는 것을 특징으로 하는 반도체 장치.
- 제 1 항에 있어서,상기 저유전율막은 Si-O 결합과 Si-H 결합을 갖는 폴리실록산계 재료, Si-O 결합과 Si-CH3 결합을 가지는 폴리실록산계 재료, 탄소 첨가 산화 규소 및 유기 폴리머계의 low-K 재료 중의 어느 하나를 포함하거나, 또는 불소 첨가 산화 규소, 보론 첨가 산화규소 및 산화 규소 중 어느 하나로서 다공형의 것을 포함하는 것을 특징으로 하는 반도체 장치.
- 반도체 기판;상기 반도체기판의 일면 상의 주변부를 제외한 영역에 설치되고, 비유전율이 3.0 이하이고 유전 전이 온도가 400℃이상인 저유전율막과 배선의 적층 구조를 포함하는 저유전체막-배선-적층 구조부;상기 저유전체막-배선-적층 구조부의 위쪽에 설치된 절연막;상기 절연막 상에 상기 저유전체막-배선-적층 구조부의 최상층 배선의 접속 패드부에 접속되어 설치된 상층 배선의 전극용 접속패드부;상기 전극용 접속패드부 위에 설치된 외부 접속용 범프 전극;적어도 상기 외부접속용 범프 전극의 주위에 있어서의 상기 절연막 위에 설치된 유기 수지를 포함하는 실링막을 구비하고,상기 절연막과 상기 저유전체막-배선-적층 구조부 사이에, 무기재료를 포함하는 패시베이션막을 갖고,상기 패시베이션막과 상기 저유전체막-배선-적층 구조부의 측면은 일면을 형성하고, 그리고, 상기 패시베이션막과 저유전체막-배선-적층 구조부의 측면은 상기 절연막으로 덮여 있는 것을 특징으로 하는 반도체 장치.
- 제 3 항에 있어서,상기 저유전율막은 Si-O 결합과 Si-H 결합을 갖는 폴리실록산계 재료, Si-O 결합과 Si-CH3 결합을 가지는 폴리실록산계 재료, 탄소 첨가 산화 규소 및 유기 폴리머계의 low-K 재료 중의 어느 하나를 포함하거나, 또는 불소 첨가 산화 규소, 보론 첨가 산화규소 및 산화 규소 중 어느 하나로서 다공형의 것을 포함하는 것을 특징으로 하는 반도체 장치.
- 반도체 기판;상기 반도체기판의 일면 상의 주변부를 제외한 영역에 설치되고, 비유전율이 3.0 이하이고 유리 전이 온도가 400℃이상인 저유전율막과 배선의 적층 구조를 포함하는 저유전체막-배선-적층 구조부;상기 저유전체막-배선-적층 구조부의 위쪽에 설치된 절연막;상기 절연막 상에 상기 저유전체막-배선-적층 구조부의 최상층 배선의 접속 패드부에 접속되어 설치된 상층 배선의 전극용 접속 패드부;상기 전극용 접속패드부 위에 설치된 외부 접속용 범프 전극;적어도 상기 외부접속용 범프 전극의 주위에 있어서의 상기 절연막 위에 설치된 유기 수지를 포함하는 밀봉막을 구비하고,상기 저유전체막-배선-적층 구조부의 측면이 상기 절연막 및 상기 밀봉막의 어느 한쪽에 의해서 덮여 있고,상기 절연막과 상기 저유전체막-배선-적층 구조부 사이에, 무기재료를 포함하는 패시베이션막을 갖고,상기 절연막의 측면은 상기 저유전체막-배선-적층 구조부의 측면보다 내측에 배치되어 있고, 상기 절연막과 상기 패시베이션막의 측면은 일면을 형성하는 것을 특징으로 하는 반도체 장치.
- 제 5 항에 있어서,상기 저유전율막은 Si-O 결합과 Si-H 결합을 가지는 폴리실록산계 재료, Si-O 결합과 Si-CH3 결합을 가지는 폴리실록산계 재료, 탄소 첨가 산화 규소 및 유기 폴리머계의 low-K 재료의 어느 하나를 포함하거나, 또는 불소 첨가 산화 규소, 보론 첨가 산화 규소, 산화 규소 중 어느 하나로서 다공형의 것을 포함하는 것을 특징으로 하는 반도체 장치.
- 반도체 웨이퍼의 하나의 일면 위에 비유전율이 3.0 이하이고 유리 전이 온도가 400℃ 이상인 저유전율막과 배선이 적층된 저유전체막-배선-적층 구조부가 형성된 것을 준비하는 단계;상기 저유전체막-배선-적층 구조부의 위쪽에 절연막을 형성하는 단계;다이싱 스트리트의 위쪽과 그 양측의 영역에 있어서의 상기 저유전체막-배선-적층 구조부를 레이저빔을 조사하는 것에 의해 제거하여, 상기 저유전체막-배선-적층 구조부의 측면을 노출하는 홈을 형성하는 단계;상기 저유전체막-배선-적층 구조부의 측면을 덮는 유기 수지막을 형성하는 단계;상기 절연막, 상기 유기 수지막 및 상기 반도체 웨이퍼를 상기 다이싱 스트리트를 따라 절단하여, 개개의 반도체 장치를 복수개 얻는 단계를 포함하는 것을 특징으로 하는 반도체 장치의 제조방법.
- 제 7 항에 있어서,상기 홈을 형성하는 단계는, 상기 홈을 형성하기 이전에 상기 절연막 전체 상면에 수용성 보호막을 형성하고, 상기 홈을 형성한 이후에 상기 수용성 보호막을 제거하는 단계를 포함하는 것을 특징으로 하는 반도체 장치의 제조방법.
- 제 7 항에 있어서,상기 절연막은 유기 수지를 포함하는 것을 특징으로 하는 반도체 장치의 제조방법.
- 제 9 항에 있어서,상기 절연막 상에 전극용 접속패드부를 상기 저유전체막-배선-적층 구조부의 최상층 배선의 접속패드부에 접속시켜 형성하는 단계와, 상기 전극용 접속패드부 위에 외부 접속용 범프 전극을 형성하는 단계를 더 포함하는 것을 특징으로 하는 반도체 장치의 제조방법.
- 제 7 항에 있어서,상기 반도체 웨이퍼의 일면 위에 상기 저유전체막-배선-적층 구조부가 형성된 것을 준비하는 단계는 상기 저유전체막-배선-적층 구조부 위에 유기 수지를 포함하는 상기 절연막이 형성된 것을 준비하는 단계를 포함하고, 그리고 상기 홈을 형성하는 단계는 다이싱 스트리트의 위쪽과 그 양측의 영역에 있어서의 상기 절연막과 상기 저유전체막-배선-적층 구조부를 레이저빔을 조사하는 것에 의해 제거하여, 상기 절연막의 측면 및 상기 저유전체막-배선-적층 구조부의 측면을 노출하는 홈을 형성하는 단계를 포함하는 것을 특징으로 하는 반도체 장치의 제조방법.
- 제 7 항에 있어서,상기 반도체 웨이퍼의 일면 상에 상기 저유전체막-배선-적층 구조부가 형성된 것을 준비하는 단계는 상기 저유전체막-배선-적층 구조부 상에 패시베이션막이 형성된 것을 준비하는 단계를 포함하고, 상기 홈을 형성하는 단계는 다이싱 스트리트 위쪽 및 그의 양측의 영역에서 상기 패시베이션막 및 상기 저유전체막-배선-적층 구조부를 제거하여, 상기 패시베이션막의 측면 및 상기 저유전체막-배선-적층 구조부의 측면을 노출하는 홈을 형성하는 단계를 포함하는 것을 특징으로 하는 반도체 장치의 제조방법.
- 제 12 항에 있어서,상기 유기 수지막을 형성하는 단계와 상기 절연막을 형성하는 단계는 상기 패시베이션막의 상면 및 상기 홈으로부터 노출된 상기 패시베이션막의 측면 및 상기 저유전체막-배선-적층 구조부의 측면을 덮는 유기 수지를 포함하는 절연막을 형성하는 단계를 포함하는 것을 특징으로 하는 반도체 장치의 제조방법.
- 제 13 항에 있어서,상기 유기수지를 포함하는 절연막을 형성하는 단계는 상기 유기수지를 포함하는 절연막이 상기 다이싱 스트리트 위로 연장되지 않도록 상기 유기수지를 포함하는 절연막을 패터닝하는 단계를 더 포함하는 것을 특징으로 하는 반도체 장치의 제조방법.
- 제 14 항에 있어서,상기 유기수지를 포함하는 절연막을 형성하는 단계는 상기 저유전체막-배선-적층 구조부의 위쪽 및 상기 홈 내에 상기 유기수지를 포함하는 절연막을 형성하는 단계 및 상기 유기수지를 포함하는 절연막의 측면이 저유전체막-배선-적층 구조부의 측면으로부터 내부에 위치하도록 상기 유기수지를 포함하는 절연막을 패터닝하는 단계를 포함하는 것을 특징으로 하는 반도체 장치의 제조방법.
- 제 7 항에 있어서,상기 반도체 웨이퍼의 일면 상에 저유전체막-배선-적층 구조부가 형성된 것을 준비하는 단계는 상기 저유전체막-배선-적층 구조부 상에 유기 수지를 포함하는 상기 절연막이 상기 다이싱 스트리트 위로 연장되지 않도록 패터닝된 것을 준비하는 단계를 포함하는 것을 특징으로 하는 반도체 장치의 제조방법.
- 제 7 항에 있어서,상기 절연막 상에 전극용 접속 패드부를 상기 저유전체막-배선-적층 구조부의 최상층 배선의 접속 패드부에 접속시켜 형성하는 단계; 및상기 전극용 접속 패드부 상에 외부 접속을 위한 범프 전극을 형성하는 단계를 포함하고,상기 절연막을 형성하는 단계와 상기 유기 수지막을 형성하는 단계는, 상기 저유전체막-배선-적층 구조부 상에 유기 수지를 포함하는 상기 절연막을 형성하는 단계 및 상기 외부 접속용 범프 전극의 주위에 있어서의 상기 절연막의 상면, 상기 절연막의 측면 및 상기 저유전체막-배선-적층 구조부의 측면을 덮는 유기 수지를 포함하는 실링막을 형성하는 단계를 포함하는 것을 특징으로 하는 반도체 장치의 제조방법.
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US20020024145A1 (en) * | 2000-08-09 | 2002-02-28 | Mitsubishi Denki Kabushiki Kaisha | Semiconductor device with a fluorinated silicate glass film as an interlayer metal dielectric film, and manufacturing method thereof |
US20060166012A1 (en) * | 2003-07-28 | 2006-07-27 | International Business Machines Corp. | Chemical planarization performance for copper/low-k interconnect structures |
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TW200915500A (en) | 2009-04-01 |
JP2011176340A (ja) | 2011-09-08 |
JP2009231791A (ja) | 2009-10-08 |
WO2009037902A1 (en) | 2009-03-26 |
KR20090050088A (ko) | 2009-05-19 |
EP2076922A1 (en) | 2009-07-08 |
JP4770893B2 (ja) | 2011-09-14 |
JP5393722B2 (ja) | 2014-01-22 |
TWI419268B (zh) | 2013-12-11 |
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