KR20200080799A - 반도체 패키지용 비전도성 접착필름 및 이를 이용하는 반도체 패키지의 제조방법 - Google Patents
반도체 패키지용 비전도성 접착필름 및 이를 이용하는 반도체 패키지의 제조방법 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 다른 실시예에 따른 반도체 패키지용 비전도성 접착필름을 개략적으로 나타낸 단면도이다.
도 3 내지 도 6은 본 발명의 일 실시예에 따른 반도체 패키지의 제조공정을 개략적으로 나타낸 단면도이다.
실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 비교예 1 | |
Onset Temperature (℃) | 171 | 165 | 166 | 193 | 140 |
Volatile contents (%) | 0.9 | 1.0 | 0.9 | 1.0 | 1.4 |
저장 탄성률(GPa) | 2.8 | 3.3 | 3.1 | 2.9 | 4.1 |
12: 접착층, 20: 기판,
30: 반도체 소자, 31: 반도체 기판,
32: 관통 전극, 33: 접속 단자,
34: 솔더층, 100-1, 100-2, 100-n: 단위체,
200, 300, 400: 적층체
Claims (12)
- 기재; 및
상기 기재의 일면에 배치되고, 25 ℃에서의 저장 탄성률(storage modulus)이 2 내지 4 GPa인 접착층을 포함하는 반도체 패키지용 비전도성 접착필름. - 제1항에 있어서,
상기 접착층은 열중량분석(TGA)에 의해 250 ℃에서 1 % 이하의 중량 감소율을 갖는 반도체 패키지용 비전도성 접착필름. - 제1항에 있어서,
상기 접착층은 160 내지 200 ℃의 Onset Temperature를 갖는 반도체 패키지용 비전도성 접착필름. - 제3항에 있어서,
상기 접착층은 (a) 서로 다른 2종 이상의 에폭시 수지, (b) 경화제, (c) 하기 화학식 2로 표시되는 화합물 및 하기 화학식 3으로 표시되는 화합물로 이루어진 군에서 선택된 1종 이상의 경화촉진제, 및 (d) 나노 실리카를 포함하는 접착용 수지 조성물로 형성된 반도체 패키지용 비전도성 접착필름:
[화학식 2]
[화학식 3]
(상기 화학식 2 및 3에서,
n1은 1 또는 2이며,
n2는 각각 0 내지 2의 정수이며,
X1 내지 X6은 서로 동일하거나 또는 상이하고, 각각 독립적으로 N 또는 C(R1)이고, 다만 X1 내지 X6 중 1 이상 N이며,
Y1 내지 Y6은 서로 동일하거나 또는 상이하고, 각각 독립적으로 N(R2) 또는 C(R3)(R4)이고, 다만 Y1 내지 Y6 중 1 이상 N(R2)이며,
이때 복수의 C(R1)는 서로 동일하거나 또는 상이하고, 복수의 N(R2)는 서로 동일하거나 또는 상이하며, 복수의 C(R3)(R4)은 서로 동일하거나 또는 상이하고,
R1, R2, R3 및 R4는 각각 독립적으로 수소, 중수소(D), 할로겐, 시아노기, 니트로기, C1~C20의 알킬기, C2~C20의 알케닐기, 및 C2~C20의 알키닐기로 이루어진 군에서 선택됨). - 제4항에 있어서,
상기 접착용 수지 조성물은 당해 수지 조성물의 총량을 기준으로
40~80 중량%의 에폭시 수지;
5~20 중량%의 경화제;
0.01~1 중량%의 경화촉진제; 및
잔량의 나노 실리카를 포함하는, 반도체 패키지용 비전도성 접착필름. - 제4항에 있어서,
상기 경화제는 지환족 산무수물, 방향족 아민계 경화제, 지방족 아민계 경화제, 페놀계 경화제 및 잠재성 경화제로 이루어진 군에서 선택된 1종 이상을 포함하는 반도체 패키지용 비전도성 접착필름. - 제1항에 있어서,
상기 나노 실리카의 평균 입경은 10 내지 100 ㎚ 범위인 반도체 패키지용 비전도성 접착필름. - (S100) 기판 상에, 제1항 내지 제7항 중 어느 한 항에 기재된 비전도성 접착필름의 접착층과, 적어도 일면에 접속 단자가 배치된 TSV 구조의 반도체 소자를 순차적으로 교번 적층하여 복수층의 적층체를 형성하는 단계;
(S200) 상기 적층체를 열 압착하여 상기 적층체 내 각 반도체 소자의 접속단자들을 서로 접합하는 단계; 및
(S300) 상기 열 압착된 적층체 내 접착층을 경화시키는 단계
를 포함하는 반도체 패키지의 제조방법. - 제8항에 있어서,
상기 (S100) 단계에서는 상기 반도체 소자를 20 내지 100 N의 압력으로 상기 접착층 상에 가압하여 적층시키는 반도체 패키지의 제조방법. - 제9항에 있어서,
상기 반도체 소자는 50 내지 100 ℃의 온도에서 가압 적층되는 반도체 패키지의 제조방법. - 제8항에 있어서,
상기 (S200) 단계는 200 내지 300 ℃의 온도 및 50 내지 200 N의 압력하에서 수행되는 반도체 패키지의 제조방법. - 제8항에 있어서,
상기 (S300) 단계에서는 상기 접착층을 150 내지 200 ℃의 온도에서 경화시키는 반도체 패키지의 제조방법.
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CN201980085552.8A CN113227284A (zh) | 2018-12-27 | 2019-08-23 | 半导体封装体用非导电性粘接膜及利用其的半导体封装体的制造方法 |
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