KR102052199B1 - 필름형 반도체 밀봉 부재, 이를 이용하여 제조된 반도체 패키지 및 그 제조 방법 - Google Patents
필름형 반도체 밀봉 부재, 이를 이용하여 제조된 반도체 패키지 및 그 제조 방법 Download PDFInfo
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Abstract
Description
도 2는 본 발명에 따른 반도체 밀봉 부재의 다른 실시예를 도시한 도면이다.
도 3은 본 발명에 따른 반도체 패키지의 일 실시예를 도시한 도면이다.
도 4는 본 발명에 따른 반도체 패키지의 다른 실시예를 도시한 도면이다.
도 5는 본 발명에 따른 반도체 패키지의 또 다른 실시예를 도시한 도면이다.
구분(wt%) | 실시예1 | 실시예2 | 실시예3 | 실시예4 | 비교예1 | 비교예2 | 비교예3 | 비교예 4 | 비교예 5 | |
(A) | (a1) | 11.5 | 6 | 6 | 5 | - | - | - | - | 11.5 |
(a2) | - | 5 | - | 3 | 11 | - | 5 | - | - | |
(a3) | - | - | 6 | 2 | - | 11 | 5 | 11.5 | - | |
(B) | (b1) | 5 | 4 | 4.5 | 4 | - | - | - | - | - |
(b2) | - | - | - | - | 5 | - | 2 | - | - | |
(b3) | - | - | - | - | - | 4.5 | 2 | 5 | - | |
(b4) | - | - | - | - | - | - | - | - | 5 | |
(C) | 2.5 | 3 | 2.5 | 3 | 3 | 2.5 | 3 | 2.5 | 2.5 | |
(D) | (d1) | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.2 | 0.1 | 0.2 | 0.2 |
(d2) | - | - | - | 0.1 | 0.1 | - | 0.1 | - | - | |
(E) | 80 | 81 | 80 | 82 | 80 | 81 | 82 | 80 | 80 | |
(F) | (f1) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
(f2) | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | |
(G) | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
평가 항목 | 단위 | 실시예1 | 실시예2 | 실시예3 | 실시예4 |
Tg | ℃ | 173 | 178 | 181 | 174 |
CTE α1 | ppm/℃ | 5.1 | 5.4 | 5.6 | 6.2 |
CTE α2 | ppm/℃ | 28.4 | 31.8 | 36.3 | 38.6 |
Warpage (Wafer level) |
㎛ | 164 | 177 | 193 | 201 |
Warpage (개별 패키지) |
㎛ | 48 | 53 | 56 | 58 |
Modulus @260℃ |
MPa | 651 | 673 | 668 | 683 |
평가 항목 | 단위 | 비교예1 | 비교예2 | 비교예3 | 비교예 4 | 비교예 5 |
Tg | ℃ | 143 | 148 | 146 | 138 | 142 |
CTE α1 | ppm/℃ | 11.4 | 14.2 | 18 | 20 | 23 |
CTE α2 | ppm/℃ | 42.1 | 56.3 | 80.7 | 87.3 | 90 |
Warpage (Wafer level) |
㎛ | 268 | 342 | 411 | 504 | 571 |
Warpage (개별 패키지) |
㎛ | 74 | 98 | 114 | 125 | 138 |
Modulus @260℃ | MPa | 1,084 | 1,248 | 1,367 | 1,342 | 1,326 |
20, 120: 제2층
40: 제3층
50: 제4층
60: 제5층
30: 무기 충전제
100: 밀봉층
200a, 200b: 반도체 칩
300: 기판
400: 외부 접속 단자
Claims (14)
- 하기 화학식 1로 표시되는 단위를 포함하는 페놀 수지;
하기 화학식 2로 표시되는 에폭시 화합물; 및
무기 충전제를 포함하는 필름형 반도체 밀봉 부재로서,
[화학식 1]
(상기 화학식 1에서, R1 및 R2는 각각 독립적으로, 수소, 치환 또는 비치환된 C1~C10 알킬기, 치환 또는 비치환된 C1~C10 알케닐기, 치환 또는 비치환된 C1~C10인 알키닐기 또는 치환 또는 비치환된 C6~C30 아릴기이고, m 및 n의 평균값은 각각 독립적으로 0보다 크고 10보다 작다(단, R1 및 R2가 동시에 수소는 아니다);
[화학식 2]
(상기 화학식 2에서, G는 글리시딜기 또는 C1~10 글리시딜알킬기이며, R3 내지 R10은 각각 독립적으로 수소, 치환 또는 비치환된 C1~C10 알킬기, 치환 또는 비치환된 C3~C20 사이클로알킬기 또는 C6~C30 아릴기이다),
상기 필름형 반도체 밀봉 부재는, 상기 화학식 1로 표시되는 단위를 포함하는 페놀 수지 1 내지 10 중량%, 상기 화학식 2로 표시되는 에폭시 화합물 5 내지 35 중량% 및 무기 충전제 60 내지 90 중량%를 포함하는 것인 필름형 반도체 밀봉 부재.
- 제1항에 있어서,
상기 화학식 1에서, R1 및 R2는 각각 독립적으로 메틸기 또는 페닐기인 필름형 반도체 밀봉 부재.
- 삭제
- 제1항에 있어서,
상기 필름형 반도체 밀봉 부재는 단일층 구조 또는 다층 구조인 필름형 반도체 밀봉 부재.
- 제1항에 있어서,
상기 필름형 반도체 밀봉 부재는,
상기 화학식 1로 표시되는 단위를 포함하는 페놀 수지 1 내지 3 중량%, 상기 화학식 2로 표시되는 에폭시 화합물 5 내지 20 중량%, 및 무기 충전제 60 내지 90 중량%를 포함하는 제1층; 및
상기 화학식 1로 표시되는 단위를 포함하는 페놀 수지 5 내지 10 중량%, 상기 화학식 2로 표시되는 에폭시 화합물 10 내지 35 중량%, 및 무기 충전제 30 내지 50 중량%를 포함하는 제2층을 포함하는 것인 필름형 반도체 밀봉 부재.
- 제5항에 있어서,
상기 제1층 : 제2층의 두께 비율이 1 : 9 내지 7 : 3인 필름형 반도체 밀봉 부재.
- 제1항에 있어서,
상기 필름형 반도체 밀봉 부재는,
유리 직물로 이루어진 제3층; 상기 제3층의 상부에 형성되는 제4층 및 상기 제3층의 하부에 형성되는 제5층을 포함하고, 상기 제4층 및 제5층은 상기 화학식 1로 표시되는 단위를 포함하는 페놀 수지, 상기 화학식 2로 표시되는 에폭시 화합물, 및 무기 충전제를 포함하는 것인 필름형 반도체 밀봉 부재.
- 제7항에 있어서,
상기 제5층의 두께가 상기 제4층의 두께보다 두껍게 형성되는 것인 필름형 반도체 밀봉 부재.
- 제1항, 제2항, 제4항 내지 제8항 중 어느 한 항의 필름형 반도체 밀봉 부재를 이용하여 반도체 소자를 밀봉하는 단계를 포함하는 반도체 패키지 제조 방법.
- 제9항에 있어서,
상기 밀봉은 컴프레션 몰딩(Compression Molding)법 또는 라미네이션(Lamination)법에 의해 수행되는 것인 반도체 패키지 제조 방법.
- 제9항에 있어서,
상기 반도체 패키지 제조 방법은,
일면에 임시 고정 부재가 부착된 캐리어 부재를 준비하는 단계;
상기 임시 고정 부재 상에 다수의 반도체 칩을 배열하는 단계;
상기 필름형 반도체 밀봉 부재를 이용하여 상기 반도체 칩 상에 밀봉층을 형성하는 단계;
상기 밀봉층과 임시 고정 부재를 분리하는 단계;
상기 다수의 반도체 칩 상에 재배선층을 포함하는 기판을 형성하는 단계;
상기 기판의 하부에 외부 접속 단자를 형성하는 단계; 및
다이싱 공정을 통해 개별 반도체 패키지를 형성하는 단계를 포함하는 것인 반도체 패키지 제조방법.
- 제1항, 제2항, 제4항 내지 제8항 중 어느 한 항의 필름형 반도체 밀봉 부재를 이용하여 밀봉된 반도체 패키지.
- 제12항에 있어서,
상기 반도체 패키지는 플립 칩 방식의 반도체 칩, 와이어 본딩 방식의 반도체 칩 또는 이들의 조합을 포함하는 것인 반도체 패키지.
- 제12항에 있어서,
상기 반도체 패키지는,
재배선층을 포함하는 기판;
상기 재배선층 상부에 배치되는 적어도 하나 이상의 반도체 칩;
상기 필름형 반도체 밀봉 부재를 이용하여 상기 반도체 칩을 봉지하도록 형성되는 밀봉층; 및
상기 기판의 하부에 형성되는 외부 접속 단자를 포함하는 것인 반도체 패키지.
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PCT/KR2017/010175 WO2018117374A1 (ko) | 2016-12-23 | 2017-09-18 | 필름형 반도체 밀봉 부재, 이를 이용하여 제조된 반도체 패키지 및 그 제조 방법 |
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