KR101103922B1 - 비아-우선 듀얼 다마신 인터커넥트를 형성하는 구조 충전 방법 - Google Patents
비아-우선 듀얼 다마신 인터커넥트를 형성하는 구조 충전 방법 Download PDFInfo
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Abstract
Description
Claims (29)
- 듀얼 다마신 구조물(dual damascene structure)을 제조하는 방법에 있어서, 상기 방법은,하나의 표면을 가지며, 밀집 영역(dense region)과 고립 영역(isolated region)을 형성하는 복수의 토포그래피 특징부를 포함하는 기판을 제공하는 단계와,상기 토포그래피 특징부 중 일부, 또는 전부에 조성물을 도포하는 단계와,상기 조성물을 부분적으로 경화시키는 단계와,상기 부분적으로 경화된 조성물에 용매를 접촉시키는 단계로서, 상기 부분적으로 경화된 조성물의 일부를 제거하는 단계와,상기 부분적으로 경화된 조성물을 추가로 경화하는 단계를 포함하며, 상기 추가로 경화하는 단계 후, 상기 조성물은 상기 토포그래피 특징부 상에 층의 형태로 존재하며, 이때, 고립 영역 위의 층의 평균 두께와 밀집 영역 위의 층의 평균 두께의 차이는 80㎚ 이하인 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 제 1 항에 있어서, 상기 기판은 실리콘, 알루미늄, 텅스텐, 텅스텐 실리사이드, 갈륨 아르세나이드, 게르마늄, 탄탈륨, 탄탈륨 니트라이트 및 SiGe 중에서 선택되어지는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 제 1 항에 있어서, 상기 조성물은 경화 온도를 가지며, 상기 부분 경화 단계는, 상기 경화 온도의 65 내지 95%의 온도로 상기 조성물을 가열하는 단계를 포함하는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 제 1 항에 있어서, 상기 부분 경화 단계에 의해, 상기 조성물은 90% 이하로 경화되는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 제 3 항에 있어서, 상기 조성물은 15 내지 90초의 시간 주기 동안 가열되는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 제 3 항에 있어서, 상기 조성물은 140 내지 180℃의 온도로 가열되는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 제 1 항에 있어서, 상기 도포하는 단계 후에, 상기 조성물은 하나의 층을 포함하며, 상기 접촉시키는 단계는 상기 층 상에 용매를 퍼들링(puddling)하는 단계를 포함하는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 제 1 항에 있어서, 상기 접촉시키는 단계는, 10 내지 60초의 시간 주기 동안, 용매를 상기 조성물과 접촉시키는 단계를 포함하는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 제 1 항에 있어서, 상기 용매는 에틸 락테이트, 프로필렌 글리콜 모노메틸 에테르, 프로필렌 글리콜 모노메틸 에테르 아세테이트 및 이들의 혼합물 중에서 선택되는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 제 1 항에 있어서, 상기 접촉시키는 단계 전에, 상기 조성물은 평균 두께를 갖는 층을 포함하며, 상기 접촉시키는 단계에 의해, 상기 층은 용매 접촉시 초 당 40 내지 80Å 두께의 속도로 제거되는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 제 1 항에 있어서,상기 경화 단계 후에 상기 조성물을 냉각시키는 단계를 더 포함하는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 제 11 항에 있어서, 상기 냉각시키는 단계는 상기 조성물을 주변 환경(ambient condition)에 노출시키는 단계를 포함하는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 제 12 항에 있어서, 상기 노출시키는 단계는 20 내지 40초의 시간 주기 동안 수행되는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 제 1 항에 있어서, 상기 추가로 경화하는 단계는, 부분 경화된 조성물을 추가로 경화시키기 위한 온도와 시간으로, 상기 부분 경화된 조성물을 가열하는 단계를 포함하는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 제 14 항에 있어서, 상기 추가로 경화하는 단계에 의해, 상기 부분 경화된 조성물은 98% 이상 경화되는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 제 1 항에 있어서, 상기 추가로 경화하는 단계는, 195 내지 250℃의 온도로 상기 부분 경화된 조성물을 가열하는 단계를 포함하는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 제 1 항에 있어서, 상기 추가로 경화하는 단계는, 30 내지 90초의 시간 주기 동안 상기 부분 경화된 조성물을 가열하는 단계를 포함하는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 제 1 항에 있어서,상기 기판은 비아 홀(via hole)을 형성하는 구조물을 더 포함하며, 상기 구조물은 측벽과 바닥 벽을 포함하고,상기 도포하는 단계는 상기 비아 홀의 측벽과 바닥 벽의 부분, 또는 전체에 조성물을 도포하는 단계를 포함하는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 제 18 항에 있어서, 상기 도포하는 단계 후에, 상기 비아 홀은 상기 조성물로 95% 이상 충전되는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 삭제
- 제 1 항에 있어서, 상기 추가로 경화하는 단계 후, 상기 조성물의 층은 100㎚ 이하의 평균 두께를 갖는 것을 특징으로 하는 듀얼 다마신 구조물을 제조하는 방법.
- 삭제
- 삭제
- 듀얼 다마신 구조물(dual damascene structure)에 있어서, 상기 구조물은복수의 토포그래피 특징부를 포함하는 표면을 갖는 기판으로서, 이때 상기 토포그래피 특징부는 상기 기판 상에 밀집 영역(dense region)과 고립 영역(isolated region)을 형성하는 상기 기판과,상기 기판 표면에 이웃하는 조성물의 층으로서, 상기 층은 100㎚ 이하의 평균 두께를 갖는 특징의 상기 조성물의 층을 포함하며, 상기 고립 영역 위의 층의 평균 두께와 상기 밀집 영역 위의 층의 평균 두께의 차이는 80㎚이하인 것을 특징으로 하는 듀얼 다마신 구조물.
- 제 24 항에 있어서, 상기 평균 두께는 80㎚ 이하임을 특징으로 하는 듀얼 다마신 구조물.
- 제 24 항에 있어서, 상기 차이는 65㎚ 이하임을 특징으로 하는 듀얼 다마신 구조물.
- 제 24 항에 있어서, 상기 기판은 실리콘, 알루미늄, 텅스텐, 텅스텐 실리사이드, 갈륨 아르세나이드, 게르마늄, 탄탈륨, 탄탈륨 니트라이트 및 SiGe 중에서 선택되어지는 것을 특징으로 하는 듀얼 다마신 구조물.
- 제 24 항에 있어서, 상기 토포그래피 특징부는 상기 기판 내에 비아 홀(via hole)을 형성하는 구조물을 포함하며, 상기 비아 홀은 상기 조성물로 95% 이상 충전됨을 특징으로 하는 듀얼 다마신 구조물.
- 제 24 항에 있어서, 상기 층은 경화된 조성물을 포함하는 것을 특징으로 하는 듀얼 다마신 구조물.
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US60/504,368 | 2003-09-19 | ||
US10/943,033 US7348281B2 (en) | 2003-09-19 | 2004-09-16 | Method of filling structures for forming via-first dual damascene interconnects |
US10/943,033 | 2004-09-16 | ||
PCT/US2004/030816 WO2005029556A2 (en) | 2003-09-19 | 2004-09-17 | Method of filling structures for forming via-first dual damascene interconnects |
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EP (1) | EP1665389B1 (ko) |
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JP5060129B2 (ja) | 2012-10-31 |
US20070123036A1 (en) | 2007-05-31 |
US20050118800A1 (en) | 2005-06-02 |
WO2005029556A3 (en) | 2007-05-03 |
JP2007514291A (ja) | 2007-05-31 |
EP1665389A2 (en) | 2006-06-07 |
TWI360178B (en) | 2012-03-11 |
US7602066B2 (en) | 2009-10-13 |
TW200518222A (en) | 2005-06-01 |
EP1665389A4 (en) | 2008-12-24 |
KR20060061851A (ko) | 2006-06-08 |
EP1665389B1 (en) | 2018-01-10 |
US7348281B2 (en) | 2008-03-25 |
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