KR20220002255A - 돌멘 구조를 갖는 반도체 장치 및 그 제조 방법, 및, 지지편 형성용 적층 필름 및 그 제조 방법 - Google Patents
돌멘 구조를 갖는 반도체 장치 및 그 제조 방법, 및, 지지편 형성용 적층 필름 및 그 제조 방법 Download PDFInfo
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- KR20220002255A KR20220002255A KR1020217028895A KR20217028895A KR20220002255A KR 20220002255 A KR20220002255 A KR 20220002255A KR 1020217028895 A KR1020217028895 A KR 1020217028895A KR 20217028895 A KR20217028895 A KR 20217028895A KR 20220002255 A KR20220002255 A KR 20220002255A
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Classifications
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- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6835—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
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- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
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- H01L23/49575—Assemblies of semiconductor devices on lead frames
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- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
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Abstract
Description
도 2의 (a) 및 도 2의 (b)는 제1 칩과 복수의 지지편의 위치 관계의 예를 모식적으로 나타내는 평면도이다.
도 3의 (a)는 지지편 형성용 적층 필름의 일 실시형태를 모식적으로 나타내는 평면도이며, 도 3의 (b)는 도 3의 (a)의 b-b선에 있어서의 단면도이다.
도 4는 점착층과 지지편 형성용 필름을 첩합하는 공정을 모식적으로 나타내는 단면도이다.
도 5의 (a)~도 5의 (d)는 지지편의 제작 과정을 모식적으로 나타내는 단면도이다.
도 6은 기판 상이며 제1 칩의 주위에 복수의 지지편을 배치한 상태를 모식적으로 나타내는 단면도이다.
도 7은 접착제편 부착 칩의 일례를 모식적으로 나타내는 단면도이다.
도 8은 기판 상에 형성된 돌멘 구조를 모식적으로 나타내는 단면도이다.
도 9는 본 개시에 관한 반도체 장치의 제2 실시형태를 모식적으로 나타내는 단면도이다.
도 10의 (a) 및 도 10의 (b)는 지지편 형성용 적층 필름의 다른 실시형태를 각각 모식적으로 나타내는 단면도이다.
2…점착층
5…열경화성 수지층
6…수지층
10…기판
20, 20A, 20B…지지편 형성용 적층 필름
50…밀봉재
100, 200…반도체 장치
D…지지편 형성용 필름
D2…2층 필름(지지편 형성용 필름)
D3…3층 필름(지지편 형성용 필름)
Da…지지편
Dc…지지편(경화물)
R…영역
T1…제1 칩
T2…제2 칩
T2a…접착제편 부착 칩
Ta…접착제편
Tc…접착제편(경화물)
Claims (20)
- 기판과, 상기 기판 상에 배치된 제1 칩과, 상기 기판 상이며 상기 제1 칩의 주위에 배치된 복수의 지지편과, 상기 복수의 지지편에 의하여 지지되고 또한 상기 제1 칩을 덮도록 배치된 제2 칩을 포함하는 돌멘 구조를 갖는 반도체 장치의 제조 방법으로서,
(A) 기재 필름과, 점착층과, 지지편 형성용 필름을 이 순서로 구비하는 적층 필름을 준비하는 공정과,
(B) 상기 지지편 형성용 필름을 개편화함으로써, 상기 점착층의 표면 상에 복수의 지지편을 형성하는 공정과,
(C) 상기 점착층으로부터 상기 지지편을 픽업하는 공정과,
(D) 기판 상에 제1 칩을 배치하는 공정과,
(E) 상기 기판 상이며 상기 제1 칩의 주위 또는 상기 제1 칩이 배치되어야 할 영역의 주위에 복수의 상기 지지편을 배치하는 공정과,
(F) 제2 칩과, 상기 제2 칩의 일방의 면 상에 마련된 접착제편을 구비하는 접착제편 부착 칩을 준비하는 공정과,
(G) 복수의 상기 지지편의 표면 상에 상기 접착제편 부착 칩을 배치함으로써 돌멘 구조를 구축하는 공정을 포함하고,
상기 지지편 형성용 필름이, 열경화성 수지층으로 이루어지는 필름 또는 열경화성 수지층 중 적어도 일부를 경화시킨 층으로 이루어지는 필름, 혹은, 열경화성 수지층과 당해 열경화성 수지층보다 높은 강성을 갖는 수지층 또는 금속층을 갖는 다층 필름인, 반도체 장치의 제조 방법. - 청구항 1에 있어서,
상기 점착층이 자외선 경화형이며,
(B) 공정과 (C) 공정의 사이에, 상기 점착층에 자외선을 조사하는 공정을 포함하는, 반도체 장치의 제조 방법. - 청구항 1 또는 청구항 2에 있어서,
(G) 공정보다 전에, 상기 지지편 형성용 필름 또는 상기 지지편을 가열하는 공정을 포함하는, 반도체 장치의 제조 방법. - 기판과,
상기 기판 상에 배치된 제1 칩과,
상기 기판 상이며 상기 제1 칩의 주위에 배치된 복수의 지지편과,
상기 복수의 지지편에 의하여 지지되고 또한 상기 제1 칩을 덮도록 배치된 제2 칩을 포함하는 돌멘 구조를 가지며,
상기 지지편이, 열경화성 수지 조성물의 경화물로 이루어지거나, 혹은, 열경화성 수지 조성물의 경화물로 이루어지는 층과 수지층 또는 금속층을 포함하는, 반도체 장치. - 청구항 4에 있어서,
상기 제1 칩이 상기 제2 칩과 이간되어 있는, 반도체 장치. - 청구항 4 또는 청구항 5에 있어서,
상기 제2 칩의 일방의 면 상에 마련되어 있고 또한 상기 제2 칩과 상기 복수의 지지편에 의하여 협지되어 있는 접착제편을 더 구비하는, 반도체 장치. - 청구항 6에 있어서,
상기 제1 칩이 상기 접착제편과 이간되어 있는, 반도체 장치. - 청구항 4 또는 청구항 5에 있어서,
상기 제2 칩에 있어서의 상기 제1 칩과 대면하는 영역을 적어도 덮도록 마련된 접착제편을 더 구비하고,
상기 제1 칩이 상기 접착제편과 이간되어 있는, 반도체 장치. - 청구항 8에 있어서,
상기 접착제편이, 상기 제2 칩의 상기 영역부터 상기 제2 칩의 둘레 가장자리 측에까지 연속적으로 뻗어 있으며 상기 제2 칩과 상기 복수의 지지편에 의하여 협지되어 있는, 반도체 장치. - 청구항 6에 있어서,
상기 제1 칩이 상기 접착제편과 접하고 있는, 반도체 장치. - 청구항 10에 있어서,
상기 접착제편이, 상기 제2 칩에 있어서의 상기 제1 칩과 대면하는 영역을 덮음과 함께, 상기 제2 칩의 상기 영역부터 상기 제2 칩의 둘레 가장자리 측에까지 연속적으로 뻗어 있으며 상기 제2 칩과 상기 복수의 지지편에 의하여 협지되어 있는, 반도체 장치. - 기판과, 상기 기판 상에 배치된 제1 칩과, 상기 기판 상이며 상기 제1 칩의 주위에 배치된 복수의 지지편과, 상기 복수의 지지편에 의하여 지지되고 또한 상기 제1 칩을 덮도록 배치된 제2 칩을 포함하는 돌멘 구조를 갖는 반도체 장치의 제조 프로세스에 있어서 사용되는 지지편 형성용 적층 필름으로서,
기재 필름과,
점착층과,
지지편 형성용 필름을 이 순서로 구비하며,
상기 지지편 형성용 필름이, 열경화성 수지층으로 이루어지는 필름 또는 열경화성 수지층 중 적어도 일부를 경화시킨 층으로 이루어지는 필름, 혹은, 열경화성 수지층과 당해 열경화성 수지층보다 높은 강성을 갖는 수지층 또는 금속층을 갖는 다층 필름인, 지지편 형성용 적층 필름. - 청구항 12에 있어서,
상기 지지편 형성용 필름의 두께가 5~180μm인, 지지편 형성용 적층 필름. - 청구항 12 또는 청구항 13에 있어서,
상기 점착층이 감압형 또는 자외선 경화형인, 지지편 형성용 적층 필름. - 청구항 12 내지 청구항 14 중 어느 한 항에 있어서,
상기 열경화성 수지층이 에폭시 수지를 포함하는, 지지편 형성용 적층 필름. - 청구항 12 내지 청구항 15 중 어느 한 항에 있어서,
상기 열경화성 수지층이 엘라스토머를 포함하는, 지지편 형성용 적층 필름. - 청구항 12 내지 청구항 16 중 어느 한 항에 있어서,
상기 수지층이 폴리이미드층인, 지지편 형성용 적층 필름. - 청구항 12 내지 청구항 17 중 어느 한 항에 있어서,
상기 금속층이 구리층 또는 알루미늄층인, 지지편 형성용 적층 필름. - 기판과, 상기 기판 상에 배치된 제1 칩과, 상기 기판 상이며 상기 제1 칩의 주위에 배치된 복수의 지지편과, 상기 복수의 지지편에 의하여 지지되고 또한 상기 제1 칩을 덮도록 배치된 제2 칩을 포함하는 돌멘 구조를 갖는 반도체 장치의 제조 프로세스에 있어서 사용되는 지지편 형성용 적층 필름의 제조 방법으로서,
기재 필름과, 그 일방의 면 상에 형성된 점착층을 갖는 점착 필름을 준비하는 공정과,
상기 점착층의 표면 상에 지지편 형성용 필름을 적층하는 공정을 포함하며,
상기 지지편 형성용 필름이, 열경화성 수지층으로 이루어지는 필름 또는 열경화성 수지층 중 적어도 일부를 경화시킨 층으로 이루어지는 필름, 혹은, 열경화성 수지층과 당해 열경화성 수지층보다 높은 강성을 갖는 수지층 또는 금속층을 갖는 다층 필름인, 지지편 형성용 적층 필름의 제조 방법. - 기판과, 상기 기판 상에 배치된 제1 칩과, 상기 기판 상이며 상기 제1 칩의 주위에 배치된 복수의 지지편과, 상기 복수의 지지편에 의하여 지지되고 또한 상기 제1 칩을 덮도록 배치된 제2 칩을 포함하는 돌멘 구조를 갖는 반도체 장치의 제조 프로세스에 있어서 사용되는 지지편 형성용 적층 필름의 제조 방법으로서,
기재 필름과, 점착층과, 열경화성 수지층을 이 순서로 구비하는 적층 필름을 준비하는 공정과,
상기 열경화성 수지층의 표면에 당해 열경화성 수지층보다 높은 강성을 갖는 수지층 또는 금속층을 첩합하는 공정을 포함하는, 지지편 형성용 적층 필름의 제조 방법.
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