KR102771428B1 - Rf 반도체 디바이스 및 이를 형성하는 방법 - Google Patents
Rf 반도체 디바이스 및 이를 형성하는 방법 Download PDFInfo
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- KR102771428B1 KR102771428B1 KR1020217026777A KR20217026777A KR102771428B1 KR 102771428 B1 KR102771428 B1 KR 102771428B1 KR 1020217026777 A KR1020217026777 A KR 1020217026777A KR 20217026777 A KR20217026777 A KR 20217026777A KR 102771428 B1 KR102771428 B1 KR 102771428B1
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Abstract
Description
도 1은 본 발명의 일 실시예에 따라 향상된 열적 및 전기적 성능을 갖는 예시적인 무선 주파수(RF) 디바이스를 도시한다.
도 2는 본 발명의 일 실시예에 따라 향상된 열적 및 전기적 성능을 갖는 대안적인 RF 디바이스를 도시한다.
도 3 내지 도 14는 도 1에 도시된 예시적인 RF 디바이스를 제조하기 위한 단계를 예시하는 예시적인 웨이퍼 레벨 패키징 공정을 제공한다.
도 15 내지 도 20은 도 2에 도시된 대안적인 RF 디바이스를 제조하기 위한 단계를 예시하는 대안적인 웨이퍼 레벨 패키징 공정을 제공한다.
명확한 예시를 위해, 도 1 내지 도 20은 축척에 맞게 그려진 것이 아닐 수 있는 것으로 이해된다.
Claims (20)
- 장치로서,
디바이스 영역, 제1 몰드 화합물 및 추가층을 포함하는 몰드 디바이스 다이로서,
상기 디바이스 영역은 라인의 전방 단부(front-end-of-line: FEOL) 부분, 및 상기 FEOL 부분 아래에 존재하고 연결층을 포함하는 라인의 후방 단부(back-end-of-line: BEOL) 부분을 포함하고;
상기 FEOL 부분은 활성층, 접촉층 및 격리 구획을 포함하고, 상기 활성층의 하부 표면과 상기 격리 구획의 하부 표면은 상기 접촉층의 상부 표면과 접촉하고, 상기 격리 구획은 상기 활성층을 둘러싸고, 상기 격리 구획은 상기 활성층 위에 존재하지 않고, 상기 격리 구획은 상기 활성층의 상부 표면을 넘어 수직으로 연장되어 상기 격리 구획 내에 그리고 상기 활성층 위에 개구를 형성하고;
상기 추가층은 상기 FEOL 부분의 상기 활성층의 상기 상부 표면과 접촉하고 상기 개구 내에 있으며, 상기 추가층은 실리콘 게르마늄 또는 질화규소로 형성되고;
상기 제1 몰드 화합물은 상기 추가층 위에 바로 존재하여 상기 개구를 채우고, 실리콘 결정은 상기 제1 몰드 화합물과 상기 활성층 사이에 존재하지 않는, 상기 몰드 디바이스 다이; 및
상기 몰드 디바이스 다이의 상기 BEOL 부분 아래에 형성된 다층 재분배 구조물로서, 상기 다층 재분배 구조물은 상기 다층 재분배 구조물의 하부 표면에 있는 복수의 범프 구조물, 및 상기 다층 재분배 구조물 내의 재분배 상호연결부를 포함하고, 상기 복수의 범프 구조물은 상기 재분배 상호연결부 및 상기 BEOL 부분 내의 상기 연결층을 통해 상기 몰드 디바이스 다이의 상기 FEOL 부분에 전기적으로 결합되는, 상기 다층 재분배 구조물
을 포함하는, 장치. - 제1항에 있어서, 상기 제1 몰드 화합물의 일부가 상기 격리 구획 위에 존재하고, 상기 제1 몰드 화합물은 열가소성 수지 또는 열경화성 중합체 물질로 형성되는, 장치.
- 제1항에 있어서, 상기 추가층은, 질화규소로 형성되고 상기 FEOL 부분의 상기 활성층을 완전히 덮는 패시베이션층인, 장치.
- 제1항에 있어서, 상기 추가층은 실리콘 게르마늄(SiGe)으로 형성된 계면층인, 장치.
- 삭제
- 제1항에 있어서, 상기 제1 몰드 화합물은 1 W/m·K보다 큰 열 전도율을 갖는, 장치.
- 제1항에 있어서, 상기 제1 몰드 화합물은 8 미만의 유전 상수를 갖는, 장치.
- 제1항에 있어서, 상기 제1 몰드 화합물은 3 내지 5의 유전 상수를 갖는, 장치.
- 제1항에 있어서, 상기 FEOL 부분은 스위치 전계 효과 트랜지스터(FET), 다이오드, 커패시터, 저항기, 및 인덕터 중 적어도 하나를 제공하도록 구성된, 장치.
- 장치로서,
디바이스 영역, 제1 몰드 화합물 및 추가층을 포함하는 몰드 디바이스 다이로서,
상기 디바이스 영역은 라인의 전방 단부(FEOL) 부분, 및 상기 FEOL 부분 아래에 존재하고 연결층을 포함하는 라인의 후방 단부(BEOL) 부분을 포함하고;
상기 FEOL 부분은 활성층, 접촉층 및 격리 구획을 포함하고, 상기 활성층의 하부 표면과 상기 격리 구획의 하부 표면은 상기 접촉층의 상부 표면과 접촉하고, 상기 격리 구획은 상기 활성층을 둘러싸고, 상기 격리 구획은 상기 활성층 위에 존재하지 않고, 상기 격리 구획은 상기 활성층의 상부 표면을 넘어 수직으로 연장되어 상기 격리 구획 내에 그리고 상기 활성층 위에 개구를 형성하고;
상기 추가층은 상기 FEOL 부분의 상기 활성층의 상기 상부 표면과 접촉하고 상기 개구 내에 있으며, 상기 추가층은 실리콘 게르마늄 또는 질화규소로 형성되고;
상기 제1 몰드 화합물은 상기 추가층 위에 바로 존재하여 상기 개구를 채우고, 실리콘 결정은 상기 제1 몰드 화합물과 상기 활성층 사이에 존재하지 않는, 상기 몰드 디바이스 다이;
상기 몰드 디바이스 다이의 상기 BEOL 부분 아래에 형성된 다층 재분배 구조물로서, 상기 다층 재분배 구조물은 상기 다층 재분배 구조물의 하부 표면에 있는 복수의 범프 구조물 및 상기 다층 재분배 구조물 내의 재분배 상호연결부를 포함하고, 상기 복수의 범프 구조물은 상기 재분배 상호연결부 및 상기 BEOL 부분 내의 연결층을 통해 상기 몰드 디바이스 다이의 상기 FEOL 부분에 전기적으로 결합된, 상기 다층 재분배 구조물; 및
상기 다층 재분배 구조물 위에 존재하고 상기 몰드 디바이스 다이를 캡슐화하는 제2 몰드 화합물
을 포함하는, 장치. - 제10항에 있어서, 상기 제1 몰드 화합물은 상기 제2 몰드 화합물과 동일한 물질로 형성되는, 장치.
- 제10항에 있어서, 상기 제1 몰드 화합물과 상기 제2 몰드 화합물은 상이한 물질로부터 형성되는, 장치.
- 제1항에 있어서, 상기 격리 구획은 이산화규소로 구성되는, 장치.
- 제10항에 있어서, 상기 격리 구획은 이산화규소로 구성되는, 장치.
- 제10항에 있어서, 상기 추가층은, 질화규소로 형성되고 상기 FEOL 부분의 상기 활성층을 완전히 덮는 패시베이션층인, 장치.
- 제10항에 있어서, 상기 제1 몰드 화합물은 1 W/m·K보다 큰 열 전도율을 갖고, 8 미만의 유전 상수를 갖는, 장치.
- 제10항에 있어서, 상기 FEOL 부분은 스위치 전계 효과 트랜지스터(FET), 다이오드, 커패시터, 저항기, 및 인덕터 중 적어도 하나를 제공하도록 구성된, 장치.
- 제10항에 있어서, 상기 추가층은 실리콘 게르마늄(SiGe)으로 형성된 계면층인, 장치.
- 삭제
- 삭제
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- 2019-05-30 WO PCT/US2019/034699 patent/WO2020153983A1/en not_active Ceased
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2023
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| KR20250027591A (ko) | 2025-02-26 |
| US12062623B2 (en) | 2024-08-13 |
| TWI815993B (zh) | 2023-09-21 |
| WO2020153983A1 (en) | 2020-07-30 |
| KR20210129656A (ko) | 2021-10-28 |
| CN113632209A (zh) | 2021-11-09 |
| EP3915134A1 (en) | 2021-12-01 |
| US20230260921A1 (en) | 2023-08-17 |
| US11923313B2 (en) | 2024-03-05 |
| TW202101602A (zh) | 2021-01-01 |
| US20200235054A1 (en) | 2020-07-23 |
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