KR100926652B1 - 웨이퍼 정렬 방법 및 플립칩 제조 방법 - Google Patents
웨이퍼 정렬 방법 및 플립칩 제조 방법 Download PDFInfo
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- KR100926652B1 KR100926652B1 KR1020070113511A KR20070113511A KR100926652B1 KR 100926652 B1 KR100926652 B1 KR 100926652B1 KR 1020070113511 A KR1020070113511 A KR 1020070113511A KR 20070113511 A KR20070113511 A KR 20070113511A KR 100926652 B1 KR100926652 B1 KR 100926652B1
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Abstract
Description
Claims (11)
- 제1 얼라인 마크가 형성된 웨이퍼를 마련하는 단계;상기 제1 얼라인 마크의 위치와 대응하는 위치에 형성된 투명창 및 상기 제1 얼라인 마크와 대응하도록 상기 투명창에 형성된 제2 얼라인 마크를 포함하며, 불투명한 재질로 이루어진 템플릿을 마련하는 단계;상기 웨이퍼와 상기 템플릿을 서로 인접시키는 단계;상기 투명창을 통하여 상기 제1 얼라인 마크와 상기 제2 얼라인 마크가 서로 일치하는지 여부를 센싱하는 단계; 및센싱한 결과, 상기 제1 얼라인 마크와 상기 제2 얼라인 마크가 서로 불일치하는 경우, 상기 웨이퍼 및 상기 템플릿 중 적어도 하나를 이동시켜 상기 제1 얼라인 마크와 상기 제2 얼라인 마크를 서로 일치시키는 단계를 포함하는 웨이퍼 정렬 방법.
- 제1항에 있어서, 상기 템플릿은 금속 재질로 이루어진 것을 특징으로 하는 웨이퍼 정렬 방법.
- 제1항에 있어서, 상기 제1 얼라인 마크와 상기 제2 얼라인 마크는 크기, 모양, 명도 및 채도 중에서 적어도 하나가 서로 다른 것을 특징으로 하는 웨이퍼 정렬 방법.
- 제3항에 있어서, 상기 제1 얼라인 마크는 사각 형상으로 이루어지고, 상기 제2 얼라인 마크는 십자 형상으로 이루어진 것을 특징으로 하는 웨이퍼 정렬 방법.
- 제1항에 있어서, 상기 제1 얼라인 마크와 상기 제2 얼라인 마크의 일치 여부를 센싱하는 단계는상기 템플릿의 하부에 배치된 촬영부를 이용하여 상기 투명창을 통하여 상기 제1 얼라인 마크와 상기 제2 얼라인 마크에 대한 정보를 취득하는 단계; 및상기 촬영부로부터 취득한 정보를 이용하여 상기 제1 얼라인 마크와 상기 제2 얼라인 마크가 상호 오버랩되는지 여부를 판단하는 단계를 포함하는 것을 특징으로 하는 웨이퍼 정렬 방법.
- 제5항에 있어서, 상기 제1 얼라인 마크와 상기 제2 얼라인 마크에 대한 정보는 상기 제1 얼라인 마크와 상기 제2 얼라인 마크 각각의 위치, 크기, 모양, 명도 및 채도 중에서 적어도 하나인 것을 특징으로 하는 웨이퍼 정렬 방법.
- 제1항에 있어서, 상기 웨이퍼 및 상기 템플릿 중 적어도 하나를 이동시켜 상기 제1 얼라인 마크와 상기 제2 얼라인 마크를 서로 일치시키는 단계는상기 웨이퍼 및 상기 템플릿 중 적어도 하나를 일정 각도만큼 회전시키는 동작 및 상기 웨이퍼 및 상기 템플릿 중 적어도 하나를 전후좌우 방향으로 이동시키 는 동작을 연속적 또는 선택적으로 수행하여 상기 제1 얼라인 마크와 상기 제2 얼라인 마크를 서로 일치시키는 것을 특징으로 하는 웨이퍼 정렬 방법.
- 복수개의 범프 패드들을 구비하며, 제1 얼라인 마크가 형성된 웨이퍼를 마련하는 단계;상기 범프 패드들과 대응하도록 캐버티들이 형성된 표면, 상기 제1 얼라인 마크의 위치와 대응하는 위치에 형성된 투명창 및 상기 제1 얼라인 마크와 대응하도록 상기 투명창에 형성된 제2 얼라인 마크를 포함하며, 불투명한 재질로 이루어진 템플릿을 마련하는 단계;상기 캐버티들에 솔더 물질을 충진하는 단계;상기 솔더 물질을 가열하여 상기 캐버티들 내에서 구형의 솔더 범프들을 형성하는 단계;상기 웨이퍼와 상기 템플릿을 서로 인접시키는 단계;상기 웨이퍼와 상기 템플릿이 사전에 설정된 위치로 인접되지 않은 경우, 상기 웨이퍼 및 상기 템플릿 중 적어도 하나를 이동시켜 상기 웨이퍼와 상기 템플릿이 상기 설정된 위치에 서로 인접하도록 보정하는 단계; 및상기 보정에 의해 상기 웨이퍼와 상기 템플릿이 사전에 설정된 위치로 인접되는 경우, 상기 웨이퍼 및 상기 템플릿 중 적어도 하나를 이동시켜 상기 솔더 범프들을 상기 범프 패드들에 밀착시키는 단계를 포함하는 플립칩 제조 방법.
- 제8항에 있어서, 상기 웨이퍼를 이동하여 상기 템플릿의 상부의 상기 설정된 위치에 인접하도록 보정하는 단계는상기 투명창을 통하여 상기 제1 얼라인 마크와 상기 제2 얼라인 마크가 서로 일치하는지 여부를 센싱하는 단계; 및센싱한 결과, 상기 제1 얼라인 마크와 상기 제2 얼라인 마크가 서로 불일치하는 경우, 상기 웨이퍼 및 상기 템플릿 중 적어도 하나를 이동시켜 상기 제1 얼라인 마크와 상기 제2 얼라인 마크를 서로 일치시키는 단계를 포함하는 것을 특징으로 하는 플립칩 제조 방법.
- 제9항에 있어서, 상기 제1 얼라인 마크와 상기 제2 얼라인 마크의 일치 여부를 센싱하는 단계는상기 템플릿의 하부에 배치된 촬영부를 이용하여 상기 투명창을 통하여 상기 제1 얼라인 마크와 상기 제2 얼라인 마크에 대한 정보를 취득하는 단계; 및상기 촬영부로부터 취득한 정보를 이용하여 상기 제1 얼라인 마크와 상기 제2 얼라인 마크가 상호 오버랩되는지 여부를 판단하는 단계를 포함하는 것을 특징으로 하는 플립칩 제조 방법.
- 제9항에 있어서, 상기 웨이퍼 및 상기 템플릿 중 적어도 하나를 이동시켜 상기 제1 얼라인 마크와 상기 제2 얼라인 마크를 서로 일치시키는 단계는상기 웨이퍼 및 상기 템플릿 중 적어도 하나를 일정 각도만큼 회전시키는 동 작 및 상기 웨이퍼 및 상기 템플릿 중 적어도 하나를 전후좌우 방향으로 이동시키는 동작을 연속적 또는 선택적으로 수행하여 상기 제1 얼라인 마크와 상기 제2 얼라인 마크를 서로 일치시키는 것을 특징으로 하는 플립칩 제조 방법.
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KR101427690B1 (ko) * | 2008-01-07 | 2014-08-07 | 세메스 주식회사 | 솔더 범프들을 형성하기 위한 템플릿 및 이를 이용하여웨이퍼를 정렬하는 방법 |
FR2947948B1 (fr) * | 2009-07-09 | 2012-03-09 | Commissariat Energie Atomique | Plaquette poignee presentant des fenetres de visualisation |
KR101217825B1 (ko) * | 2011-03-25 | 2013-01-02 | 주식회사 프로텍 | Led 칩 정렬 방법 및 led 칩 정렬 장치 |
US9748128B1 (en) * | 2016-06-01 | 2017-08-29 | Micron Technology, Inc. | Systems and methods for wafer alignment |
KR102409885B1 (ko) | 2018-10-11 | 2022-06-16 | 삼성전자주식회사 | 웨이퍼 정렬 방법, 이러한 정렬 방법을 이용한 웨이퍼 본딩 방법, 및 이러한 정렬 방법을 수행하기 위한 장치 |
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JPH11102932A (ja) | 1997-07-30 | 1999-04-13 | Seiko Epson Corp | Ic実装構造、液晶装置及び電子機器 |
US6484927B1 (en) * | 1999-11-05 | 2002-11-26 | Delaware Capital Formation Corporation | Method and apparatus for balling and assembling ball grid array and chip scale array packages |
US6528346B2 (en) * | 1994-01-20 | 2003-03-04 | Fujitsu Limited | Bump-forming method using two plates and electronic device |
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US6528346B2 (en) * | 1994-01-20 | 2003-03-04 | Fujitsu Limited | Bump-forming method using two plates and electronic device |
JPH11102932A (ja) | 1997-07-30 | 1999-04-13 | Seiko Epson Corp | Ic実装構造、液晶装置及び電子機器 |
US6484927B1 (en) * | 1999-11-05 | 2002-11-26 | Delaware Capital Formation Corporation | Method and apparatus for balling and assembling ball grid array and chip scale array packages |
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