KR102487552B1 - 보호막 조성물 및 이를 이용한 반도체 패키지 제조 방법 - Google Patents
보호막 조성물 및 이를 이용한 반도체 패키지 제조 방법 Download PDFInfo
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- KR102487552B1 KR102487552B1 KR1020180014169A KR20180014169A KR102487552B1 KR 102487552 B1 KR102487552 B1 KR 102487552B1 KR 1020180014169 A KR1020180014169 A KR 1020180014169A KR 20180014169 A KR20180014169 A KR 20180014169A KR 102487552 B1 KR102487552 B1 KR 102487552B1
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- H—ELECTRICITY
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Abstract
식중, a, b, c는 각각 몰분율로서, a + b + c = 1이고, 0.05 ≤ a / (a + b + c) ≤ 0.3이고, 0.1 ≤ b / (a + b + c) ≤ 0.6이고, 0.1 ≤ c / (a + b + c) ≤ 0.6이고, R1, R2, 및 R3는 각각 수소 원자 또는 메틸기이고, R4는 수소 원자, 부티로락토닐기, 또는 치환 또는 비치환된 C3-C30의 지환식(alicyclic) 탄화수소기이고, R5는 치환 또는 비치환된 C6-C30의 선형 또는 고리형 탄화수소기이다. 반도체 패키지 제조 방법에서, 상기 보호막 조성물을 이용하여 반도체 구조물 상에 쏘잉 보호막을 형성한 후, 상기 쏘잉 보호막의 표면으로부터 상기 쏘잉 보호막 및 상기 반도체 구조물을 쏘잉한다.
Description
도 2a 내지 도 2d는 도 1에 예시한 반도체 패키지 제조 방법을 공정 순서에 따라 도시한 도면들이다.
도 3a는 도 2a의 복수의 다이 영역에 각각 포함될 수 있는 이미지 센서의 주요 구성을 개략적으로 도시한 평면도이다.
도 3b는 도 3a에 예시한 이미지 센서의 주요 구성들을 보여주는 개략적인 단면도이다.
도 4는 도 2a의 복수의 다이 영역에 각각 포함될 수 있는 로직 소자의 주요 구성을 개략적으로 도시한 단면도이다.
도 5는 도 2a의 복수의 다이 영역에 각각 포함될 수 있는 메모리 소자의 주요 구성을 개략적으로 도시한 단면도이다.
도 6은 이미지 센서, 로직 소자, 및 메모리 소자가 수직으로 오버랩되도록 배치된 이미지 센서 적층 구조의 개략적인 단면도이다.
도 7은 반도체 구조물이 도 6에 예시한 이미지 센서 적층 구조를 포함하는 경우, 이미지 센서 적층 구조 위에 쏘잉 보호막이 형성된 구조를 예시한 단면도이다.
도 8은 본 발명의 기술적 사상에 의한 다른 실시예에 따른 반도체 패키지 제조 방법을 설명하기 위한 플로차트이다.
도 9a 및 도 9b는 도 8을 참조하여 설명하는 반도체 패키지 제조 방법의 일부 공정들을 설명하기 위하여 공정 순서에 따라 도시한 도면들이다.
도 10은 본 발명의 기술적 사상에 의한 또 다른 실시예에 따른 반도체 패키지 제조 방법을 설명하기 위한 플로차트이다.
도 11a 내지 도 11g는 도 10에 예시한 반도체 패키지 제조 방법을 공정 순서에 따라 도시한 단면도들이다.
모노머 a | 몰% | 모노머 b | 몰% | 모노머 c | 몰% | 분자량 | 다분산도 | |
폴리머 1 | MAA | 20 | b-1 | 30 | c-1 | 50 | 64,000 | 2.28 |
폴리머 2 | MAA | 20 | b-1 | 30 | c-2 | 50 | 62,000 | 2.31 |
폴리머 3 | MAA | 20 | b-1 | 30 | c-3 | 50 | 70,241 | 2.28 |
폴리머 4 | MAA | 20 | b-1 | 30 | c-4 | 50 | 70,200 | 2.31 |
폴리머 5 | MAA | 20 | b-1 | 30 | c-5 | 50 | 70,000 | 2.3 |
폴리머 6 | MAA | 20 | b-1 | 30 | c-6 | 50 | 68,000 | 2.21 |
폴리머 7 | MAA | 20 | b-1 | 30 | c-7 | 50 | 69,000 | 2.31 |
폴리머 8 | MAA | 20 | b-1 | 30 | c-8 | 50 | 70,000 | 2.3 |
폴리머 9 | MAA | 20 | b-1 | 30 | c-9 | 50 | 72,000 | 2.3 |
폴리머 10 | MAA | 20 | b-1 | 30 | c-10 | 50 | 75,000 | 2.4 |
폴리머 11 | MAA | 20 | b-1 | 30 | c-11 | 50 | 76,000 | 2.31 |
폴리머 12 | MAA | 20 | b-1 | 30 | c-12 | 50 | 80,000 | 2.25 |
폴리머 13 | MAA | 20 | b-1 | 30 | c-13 | 50 | 80,000 | 2.23 |
폴리머 14 | MAA | 20 | b-1 | 30 | c-14 | 50 | 80,000 | 2.24 |
폴리머 15 | MAA | 20 | b-1 | 30 | c-15 | 50 | 80,000 | 2.31 |
폴리머 16 | MAA | 20 | b-2 | 30 | c-7 | 50 | 68,000 | 2.32 |
폴리머 17 | MAA | 20 | b-3 | 30 | c-7 | 50 | 69,000 | 2.31 |
폴리머 18 | MAA | 20 | b-4 | 30 | c-7 | 50 | 67,000 | 2.31 |
폴리머 19 | MAA | 20 | b-5 | 30 | c-7 | 50 | 68,000 | 2.3 |
폴리머 20 | MAA | 20 | b-6 | 30 | c-7 | 50 | 69,000 | 2.29 |
폴리머 21 | MAA | 20 | b-7 | 30 | c-7 | 50 | 68,000 | 2.3 |
폴리머 22 | MAA | 20 | b-8 | 30 | c-7 | 50 | 67,000 | 2.24 |
폴리머 23 | MAA | 20 | b-9 | 30 | c-7 | 50 | 65,500 | 2.14 |
폴리머 24 | MAA | 20 | b-2 | 30 | c-9 | 50 | 72,000 | 2.31 |
폴리머 25 | MAA | 20 | b-3 | 30 | c-9 | 50 | 71,000 | 2.32 |
폴리머 26 | MAA | 20 | b-4 | 30 | c-9 | 50 | 70,000 | 2.31 |
폴리머 27 | MAA | 20 | b-5 | 30 | c-9 | 50 | 67,000 | 2.31 |
폴리머 28 | MAA | 20 | b-6 | 30 | c-9 | 50 | 65,000 | 2.25 |
폴리머 29 | MAA | 20 | b-7 | 30 | c-9 | 50 | 67,000 | 2.31 |
폴리머 30 | MAA | 20 | b-8 | 30 | c-9 | 50 | 64,000 | 2.21 |
폴리머 31 | MAA | 20 | b-9 | 30 | c-9 | 50 | 67,000 | 2.26 |
폴리머 32 | MAA | 20 | b-2 | 30 | c-11 | 50 | 70,000 | 2.22 |
폴리머 33 | MAA | 20 | b-3 | 30 | c-11 | 50 | 71,000 | 2.24 |
폴리머 34 | MAA | 20 | b-4 | 30 | c-11 | 50 | 71,500 | 2.31 |
폴리머 35 | MAA | 20 | b-5 | 30 | c-11 | 50 | 72,000 | 2.32 |
폴리머 36 | MAA | 20 | b-6 | 30 | c-11 | 50 | 72,000 | 2.31 |
폴리머 37 | MAA | 5 | b-1 | 45 | c-7 | 50 | 67,000 | 2.31 |
폴리머 38 | MAA | 35 | b-1 | 15 | c-7 | 50 | 65,000 | 2.25 |
폴리머 39 | MAA | 20 | b-1 | 10 | c-7 | 70 | 70,000 | 2.23 |
폴리머 40 | MAA | 20 | b-1 | 70 | c-7 | 10 | 72,000 | 2.12 |
폴리머 | 코팅 두께 (μm) |
코팅 상태 |
테이프 반응성 |
쏘잉 (깨짐) |
제거 시간 (초) |
제거 결과 |
|
예 1 | 폴리머 1 | 3.2 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 2 | 폴리머 2 | 3.4 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 3 | 폴리머 3 | 3.2 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 4 | 폴리머 4 | 3.0 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 5 | 폴리머 5 | 3.5 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 6 | 폴리머 6 | 3.8 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 7 | 폴리머 7 | 4.0 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 8 | 폴리머 8 | 3.8 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 9 | 폴리머 9 | 3.2 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 10 | 폴리머 10 | 3.2 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 11 | 폴리머 11 | 3.4 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 12 | 폴리머 12 | 3.2 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 13 | 폴리머 13 | 3.0 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 14 | 폴리머 14 | 3.6 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 15 | 폴리머 15 | 3.8 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 16 | 폴리머 16 | 4.0 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 17 | 폴리머 17 | 3.8 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 18 | 폴리머 18 | 3.2 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 19 | 폴리머 19 | 3.2 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 20 | 폴리머 20 | 3.4 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 21 | 폴리머 21 | 3.2 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 22 | 폴리머 22 | 3.2 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 23 | 폴리머 23 | 3.4 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 24 | 폴리머 24 | 3.2 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 25 | 폴리머 25 | 3.2 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 26 | 폴리머 26 | 3.4 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 27 | 폴리머 27 | 3.2 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 28 | 폴리머 28 | 3.2 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 29 | 폴리머 29 | 3.4 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 30 | 폴리머 30 | 3.2 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 31 | 폴리머 31 | 3.2 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 32 | 폴리머 32 | 3.4 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 33 | 폴리머 33 | 3.5 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 34 | 폴리머 34 | 3.8 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 35 | 폴리머 35 | 3.9 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 36 | 폴리머 36 | 3.8 | 이상 무 | 미반응 | 없음 | 60 | 클린 |
예 37 | 폴리머 37 | 3.7 | 이상 무 | 미반응 | 없음 | 180 | 박리 불량 |
예 38 | 폴리머 38 | 3.8 | 이상 무 | 미반응 | 박리됨 | 60 | - |
예 39 | 폴리머 39 | 3.9 | 이상 무 | 반응 (스크레치) |
- | - | - |
예 40 | 폴리머 40 | 3.1 | 크랙 | 미반응 | 깨짐 | - | - |
Claims (10)
- 다음 식 (1)을 포함하는 폴리머와, 용제를 포함하는 보호막 조성물.
식 (1)
식 (1)에서,
a, b, c는 각각 몰분율로서, a + b + c = 1이고,
0.05 ≤ a / (a + b + c) ≤ 0.3이고,
0.1 ≤ b / (a + b + c) ≤ 0.6이고,
0.1 ≤ c / (a + b + c) ≤ 0.6이고,
R1, R2, 및 R3는 각각 수소 원자 또는 메틸기이고,
R4는 수소 원자, 부티로락토닐기, 또는 치환 또는 비치환된 C3-C30의 지환식(alicyclic) 탄화수소기이고,
R5는 치환 또는 비치환된 C6-C30의 선형 또는 고리형 탄화수소기임. - 제1항에 있어서,
R4 및 R5 중 적어도 하나는 에테르기, 카르보닐기, 에스테르기, 또는 히드록시기를 포함하는 보호막 조성물. - 제1항에 있어서,
실란 화합물을 더 포함하는 보호막 조성물. - 반도체 구조물을 형성하는 단계와,
제1항에 따른 보호막 조성물을 이용하여 상기 반도체 구조물 상에 쏘잉 보호막을 형성하는 단계와,
상기 쏘잉 보호막이 상기 반도체 구조물을 덮고 있는 상태에서 상기 쏘잉 보호막의 표면으로부터 상기 쏘잉 보호막 및 상기 반도체 구조물을 쏘잉하는 단계를 포함하는 반도체 패키지 제조 방법. - 제6항에 있어서,
상기 반도체 구조물은 복수의 마이크로 렌즈를 포함하는 센서 어레이 영역을 구비한 이미지 센서와, 상기 이미지 센서와 수직으로 오버랩되도록 배치된 로직 소자와, 상기 로직 소자를 사이에 두고 상기 이미지 센서와 이격되고 상기 이미지 센서와 수직으로 오버랩되도록 배치된 메모리 소자를 포함하고,
상기 쏘잉 보호막을 형성하는 단계는 상기 복수의 마이크로 렌즈 위에 상기 보호막 조성물을 코팅하는 단계를 포함하는 반도체 패키지 제조 방법. - 제6항에 있어서,
상기 쏘잉 보호막 및 상기 반도체 구조물을 쏘잉하는 단계 후, 알칼리 수용액을 이용하여 상기 쏘잉 보호막을 제거하는 단계를 더 포함하는 반도체 패키지 제조 방법. - 제6항에 있어서,
상기 쏘잉 보호막 및 상기 반도체 구조물을 쏘잉하는 단계에서, 상기 반도체 구조물은 복수의 반도체 다이로 개별화되고, 상기 쏘잉 보호막은 상기 복수의 반도체 다이를 덮는 복수의 쏘잉 보호 패턴으로 분할되고,
상기 쏘잉 보호막 및 상기 반도체 구조물을 쏘잉하는 단계 후, 상기 복수의 반도체 다이가 각각 상기 쏘잉 보호 패턴으로 덮인 상태에서 상기 복수의 반도체 다이 중에서 선택된 반도체 다이를 지지 테이프 상으로 이동시키는 단계와,
상기 지지 테이프 상에서 상기 선택된 반도체 다이를 덮는 상기 쏘잉 보호 패턴을 알칼리 수용액을 이용하여 제거하는 단계를 더 포함하는 반도체 패키지 제조 방법. - 제6항에 있어서,
상기 반도체 구조물은 상호 반대측에 있는 제1 표면 및 제2 표면을 포함하는 기판과, 상기 제1 표면 위에 형성된 이미지 센서를 포함하고,
상기 쏘잉 보호막을 형성하는 단계 후, 상기 쏘잉 보호막 및 상기 반도체 구조물을 쏘잉하는 단계 전에, 상기 쏘잉 보호막이 상기 이미지 센서를 덮고 있는 상태에서 상기 제2 표면으로부터 상기 기판을 그라인딩하여 상기 기판의 두께를 낮추는 단계를 더 포함하는 반도체 패키지 제조 방법.
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