KR20170119271A - 반도체 다이의 레이저 어시스트 본딩을 위한 시스템 및 방법 - Google Patents
반도체 다이의 레이저 어시스트 본딩을 위한 시스템 및 방법 Download PDFInfo
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- KR20170119271A KR20170119271A KR1020160069554A KR20160069554A KR20170119271A KR 20170119271 A KR20170119271 A KR 20170119271A KR 1020160069554 A KR1020160069554 A KR 1020160069554A KR 20160069554 A KR20160069554 A KR 20160069554A KR 20170119271 A KR20170119271 A KR 20170119271A
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Abstract
Description
도 1b는 본 발명의 다양한 양태들에 따른, 예시적인 빔 필터의 측면도를 도시한 것이다.
도 1c는 본 발명의 다양한 양태들에 따른, 빔 필터의 평면도를 도시한 것이다.
도 2a는 본 발명의 다양한 양태들에 따른, 예시적인 레이저 어시스트 본딩 시스템 및 방법, 그리고 예시적인 반도체 디바이스의 개략도를 도시한 것이다.
도 2c는 본 발명의 다양한 양태에 따른, 예시적인 빔 필터 절환 장치(changer)의 평면도를 도시한 것이다.
도 3a는 본 발명의 다양한 양태에 따른, 예시적인 레이저 어시스트 본딩 시스템 및 방법, 그리고 예시적인 반도체 디바이스의 개략도를 도시한 것이다.
도 3b는 가우시안 레이저 빔의 다양한 예시적인 플랫-탑 빔들의 변환(conversion)을 도시한 것이다.
도 3c는 본 발명의 다양한 양태들에 따른, 예시적인 빔 호모지나이저(beam homogenizer)의 개략도를 도시한 것이다.
도 4는 본 발명의 다양한 양태들에 따른, 본딩 시간 대 스폿 크기 변화를 포함하는 예시적인 레이저 어시스트 본딩 프로파일의 그래프를 도시한 것이다.
도 5a 및 도 5b는 본 발명의 다양한 양태들에 따른, 스폿 크기의 변화를 도시한 개략도를 나타낸 것이다.
도 6은 본 발명의 다양한 양태들에 따른, 예시적인 레이저 어시스트 본딩 방법의 흐름도를 도시한 것이다.
도 7a-7c는 본 발명의 다양한 양태들에 따른, 레이저 어시스트 본딩을 위한 예시적 방법들 및 시스템들, 그리고 이에 의해 제조된 반도체 디바이스를 도시한 단면도를 나타낸다.
Claims (20)
- 서브스트레이트 상에 반도체 다이를 위치시키고;
적어도 빔 필터를 통하여 레이저 방사선(laser radiation)을 투과시키되, 레이저 방사선은 적어도 빔 필터로부터 동시에 출력하고:
반도체 다이의 제 1 영역을 제 1 세기 레벨로 제 1 플랫-탑 레이저 빔으로 조사하고; 그리고
반도체 다이의 제 2 영역을 제 1 세기 레벨과 다른 제 2 세기 레벨로 제 2 플랫-탑 레이저 빔으로 조사함을 포함하는 반도체 디바이스의 제조 방법. - 제 1 항에 있어서,
다수의 선택 가능한 빔 필터들로부터 빔 필터를 선택하고; 그리고
레이저와 반도체 다이의 사이에 선택된 빔 필터가 자동적으로 위치하도록 신호를 발생시킴을 포함하는 방법. - 제 1 항에 있어서,
빔 필터는
기재; 그리고
기재의 표면에 코팅된 필터링 패턴을 포함하는 방법. - 제 1 항에 있어서,
빔 필터는
제 1 투과율 레벨을 특징으로 하고 그리고 반도체 다이의 제 1 영역의 조사를 제어하는 제 1 필터링 패턴 영역; 그리고
제 1 투과율 레벨과 다른, 제 2 투과율 레벨을 특징으로 하고 그리고 반도체 다이의 제 2 영역의 조사를 제어하는 제 2 필터링 패턴 영역을 포함하는 방법. - 제 1 항에 있어서,
반도체 다이의 제 1 영역은 제 1 배선 밀도를 갖고,
반도체 다이의 제 2 영역은 제 1 배선 밀도보다 작은 제 2 배선 밀도를 갖고; 그리고
제 1 세기 레벨은 제 2 세기 레벨보다 큰 방법. - 제 1 항에 있어서,
반도체 다이의 제 1 영역은 제 1 열 경로 밀도(first heat path density)에 대응하고;
반도체 다이의 제 2 영역은 제 1 열 경로 밀도보다 작은 제 2 열 경로 밀도(second heat path density)에 대응하고; 그리고
제 1 세기 레벨이 제 2 세기 레벨보다 큰 방법. - 제 1 항에 있어서,
반도체 다이의 제 1 영역은 반도체 다이의 중앙 영역을 포함하고; 그리고
반도체 다이의 제 2 영역은 반도체 다이의 주변 영역을 포함하는 방법. - 제 1 항에 있어서,
투과 전에, 반도체 다이 상에 레이저 빔 흡수층을 형성하는 방법. - 제 1 항에 있어서,
레이저 방사선 투과는 투과 중에 레이저 방사선의 스폿 크기를 변화시키는 것을 포함하는 방법. - 서브스트레이트 상에 반도체 다이를 위치시키고; 그리고
반도체 다이와 서브스트레이트 사이의 상호 연결 구조들을 리플로우(reflow)하도록 레이저 빔으로 반도체 다이를 조사(irradiating)하되,
조사는 조사 중에 레이저 빔의 스폿 크기를 변화시킴을 포함하는 것을 포함하는 반도체 디바이스의 제조 방법. - 제 10 항에 있어서,
레이저 빔으로 반도체 다이를 조사하는 것은 플랫-탑 레이저 빔으로 반도체 다이를 조사함을 포함하는 방법. - 제 10 항에 있어서,
스폿 크기를 변화시키는 것은 전체 반도체 다이보다 작게 덮는 제 1 스폿 크기와 전체 반도체 다이를 덮는 제 2 스폿 크기 사이에서 스폿 크기를 변화시킴을 포함하는 방법. - 제 10 항에 있어서,
스폿 크기를 변화시키는 것은 제어된 상승 속도로 제 1 시간 기간동안 스폿 크기를 상승시킴을 포함하는 방법. - 제 13 항에 있어서,
조사는 제 2 시간 기간동안 스폿 크기를 일정한 크기로 유지함을 포함하는 방법. - 제 14 항에 있어서,
스폿 크기를 변화시키는 것은 제어된 감소 속도로 제 3 시간 기간동안 스폿 크기를 감소시킴을 포함하는 방법. - 제 10 항에 있어서,
반도체 다이 상에 레이저 빔 흡수층을 형성함을 포함하는 방법. - 다수의 상호 연결 구조들이 반도체 다이와 서브스트레이트의 사이에 형성되도록, 서브스트레이트 상에 반도체 다이를 위치시키고; 그리고
반도체 다이 상에 레이저 흡수층을 형성하되,
레이저 흡수층은, 레이저가 조사되었을 때, 상호 연결 구조들의 리플로우(reflow)를 향상시키도록 구성된 것을 포함하는 반도체 디바이스의 제조 방법. - 제 17 항에 있어서,
레이저 흡수층의 형성은 반도체 다이를 위치시키기 전에 수행되는 방법.. - 제 17 항에 있어서,
레이저로 반도체 다이 상에 레이저 흡수층을 조사하고; 그리고
조사 이후에 반도체 다이로부터 레이저 흡수층을 제거하는 방법. - 제 17 항에 있어서,
인캡슐레이팅 재료로 서브스트레이트와 반도체 다이 상의 레이저 흡수층을 덮는 것으로 포함하며, 그리고 레이저 흡수층은 블랙 카본, 블랙 실리콘, 블랙 에폭시, 및/또는 블랙 에나멜 중에서 하나 이상을 포함하는 방법.
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TW202240820A (zh) | 2022-10-16 |
KR102774193B1 (ko) | 2025-02-28 |
US11742216B2 (en) | 2023-08-29 |
US20210082717A1 (en) | 2021-03-18 |
US20180204740A1 (en) | 2018-07-19 |
TW202015201A (zh) | 2020-04-16 |
TW201737444A (zh) | 2017-10-16 |
US20190287816A1 (en) | 2019-09-19 |
TWI770458B (zh) | 2022-07-11 |
KR20250027688A (ko) | 2025-02-27 |
US10304698B2 (en) | 2019-05-28 |
CN206657803U (zh) | 2017-11-21 |
KR20240046448A (ko) | 2024-04-09 |
TW202417156A (zh) | 2024-05-01 |
TWI831255B (zh) | 2024-02-01 |
KR102746237B1 (ko) | 2024-12-27 |
CN107301965A (zh) | 2017-10-27 |
CN117878009A (zh) | 2024-04-12 |
TWI684256B (zh) | 2020-02-01 |
US20170301560A1 (en) | 2017-10-19 |
US9916989B2 (en) | 2018-03-13 |
US20240069629A1 (en) | 2024-02-29 |
CN117878010A (zh) | 2024-04-12 |
US10763129B2 (en) | 2020-09-01 |
CN107301965B (zh) | 2023-12-22 |
CN117878011A (zh) | 2024-04-12 |
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