KR20130000211A - 기판 가공 방법 - Google Patents
기판 가공 방법 Download PDFInfo
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- KR20130000211A KR20130000211A KR20110060782A KR20110060782A KR20130000211A KR 20130000211 A KR20130000211 A KR 20130000211A KR 20110060782 A KR20110060782 A KR 20110060782A KR 20110060782 A KR20110060782 A KR 20110060782A KR 20130000211 A KR20130000211 A KR 20130000211A
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Abstract
Description
도 1b는 웨이퍼와 캐리어의 분리를 도시한 단면도.
도 2a 내지 2f는 본 발명의 일 실시예에 따른 웨이퍼와 캐리어의 임시 본딩 공정을 도시한 단면도들.
도 2g 및 2h는 본 발명의 일 실시예에 따른 웨이퍼와 캐리어의 임시 본딩 공정을 이용한 반도체 패키지의 제조방법을 도시한 단면도들.
도 3a 및 3b는 본 발명의 다른 실시예에 따른 웨이퍼와 캐리어의 임시 본딩 공정을 도시한 단면도들.
도 3c 및 3d는 본 발명의 다른 실시예에 따른 웨이퍼와 캐리어의 임시 본딩 공정을 이용한 반도체 패키지의 제조방법을 도시한 단면도들.
도 4a 내지 4i는 본 발명의 실시예들에 따른 웨이퍼와 캐리어의 임시 본딩 공정을 이용한 반도체 패키지의 제조방법의 일례를 도시한 단면도들.
도 4j 내지 4l은 본 발명의 실시예들에 따른 웨이퍼와 캐리어의 임시 본딩 공정을 이용한 반도체 패키지의 제조방법의 변형예를 도시한 단면도들.
도 5a 내지 5i는 본 발명의 실시예들에 따른 웨이퍼와 캐리어의 임시 본딩 공정을 이용한 반도체 패키지의 제조방법의 다른 일례를 도시한 단면도들.
도 5j 및 5k는 도 5h의 변형예들을 도시한 단면도들.
도 6a 내지 6e는 본 발명의 실시예들에 따른 웨이퍼와 캐리어의 임시 본딩 공정을 이용한 반도체 패키지의 제조방법의 또 다른 일례를 도시한 단면도들.
도 7a는 본 발명의 실시예들에 따른 반도체 패키지를 구비한 메모리 카드를 도시한 블록도.
도 7b는 본 발명의 실시예들에 따른 반도체 패키지를 응용한 정보 처리 시스템을 도시한 블록도.
Claims (10)
- 기판과 캐리어 사이에 중간막을 제공하여 상기 캐리어를 상기 기판에 결합하고;
상기 기판을 박형화하고; 그리고
상기 캐리어와 상기 중간막을 제거하는 것을 포함하고,
상기 중간막은 상기 캐리어에 접착되고 그리고 상기 캐리어에 비해 상기 기판에 상대적으로 큰 결합력으로 접착되는 기판 가공 방법. - 제1항에 있어서,
상기 중간막은 접착막과 릴리이즈막을 포함하고,
상기 접착막은 상기 기판에 제공되고, 상기 릴리이즈막은 상기 캐리어에 제공되는 기판 가공 방법. - 제2항에 있어서,
상기 릴리이즈막을 플라즈마 처리하여 상기 릴리이즈막과 상기 접착막과의 결합력을 증가시키는 것을 더 포함하는 기판 가공 방법. - 제2항에 있어서,
상기 중간막을 제거하기 이전에,
상기 접착막을 세정 처리하여 상기 접착막 상에 잔류하는 상기 릴리이즈막을 제거하는 것을;
더 포함하는 기판 가공 방법. - 제2항에 있어서,
상기 기판은 집적회로가 형성된 상면과 그 반대면인 하면을 포함하고,
상기 중간막은 상기 기판의 상면과 상기 캐리어 사이에 제공되고, 상기 접착막은 상기 기판의 상면에 접착되는 기판 가공 방법. - 제5항에 있어서,
상기 캐리어와 상기 중간막을 제거하기 이전에,
상기 기판의 하면에 제2 중간막의 개재하에 제2 캐리어를 제공하여 상기 제2 캐리어를 상기 기판에 결합하는 것을 더 포함하고,
상기 제2 중간막은 상기 제2 캐리어에 접착되고 그리고 상기 제2 캐리어에 비해 상기 기판에 상대적으로 큰 결합력으로 접착되는 기판 가공 방법. - 제6항에 있어서,
상기 제2 중간막은, 상기 기판의 하면에 제공되는 제2 접착막과 상기 제2 캐리어에 제공되는 제2 릴리이즈막을 포함하는 기판 가공 방법. - 제7항에 있어서,
상기 제2 캐리어를 결합한 이후에,
상기 기판의 상면에 결합된 상기 캐리어와 상기 중간막을 제거하고;
상기 기판을 분리하여 복수개의 반도체 칩들을 형성하고;
상기 제2 캐리어와 상기 제2 중간막을 제거하고;
상기 제2 접착막을 세정 처리하여 상기 제2 접착막 상에 잔류하는 상기 제2 릴리이즈막을 제거하는 것을;
더 포함하는 기판 가공 방법. - 반도체 기판의 상면 상에 제1 접착막을 형성하고;
제1 캐리어의 상면 상에 제1 릴리이즈막을 형성하고;
상기 반도체 기판의 상면과 상기 제1 캐리어의 상면을 대면시켜 상기 반도체 기판과 상기 제1 캐리어를 결합하고;
상기 반도체 기판의 하면을 리세스하여 상기 반도체 기판을 박형화하고; 그리고
상기 제1 캐리어, 상기 제1 릴리이즈막 및 상기 제1 접착막을 상기 반도체 기판의 상면으로부터 제거하는 것을 포함하고,
상기 제1 접착막과 상기 반도체 기판과의 접착력은, 상기 제1 접착막과 상기 제1 릴리이즈막과의 접착력 및 상기 제1 릴리이즈막과 상기 제1 캐리어와의 접착력보다 큰 기판 가공 방법. - 제9항에 있어서,
상기 반도체 기판의 하면 상에 제2 접착막을 형성하고;
제2 캐리어의 상면 상에 제2 릴리이즈막을 형성하고;
상기 기판을 박형화 한 이후에, 상기 반도체 기판의 하면과 상기 제2 캐리어의 상면을 대면시켜 상기 반도체 기판과 상기 제2 캐리어를 결합하고;
상기 반도체 기판을 분리하여 복수개의 칩들을 형성하고; 그리고
상기 제2 캐리어, 상기 제2 릴리이즈막 및 상기 제2 접착막을 상기 반도체 기판의 하면으로부터 제거하는 것을 더 포함하고,
상기 제2 접착막과 상기 반도체 기판과의 접착력은, 상기 제2 접착막과 상기 제2 릴리이즈막과의 접착력 및 상기 제2 릴리이즈막과 상기 제2 캐리어와의 접착력보다 큰 기판 가공 방법.
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| US9006081B2 (en) | 2015-04-14 |
| US20120329249A1 (en) | 2012-12-27 |
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