KR20200028602A - 연결구조체 내장기판 - Google Patents
연결구조체 내장기판 Download PDFInfo
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- KR20200028602A KR20200028602A KR1020180106862A KR20180106862A KR20200028602A KR 20200028602 A KR20200028602 A KR 20200028602A KR 1020180106862 A KR1020180106862 A KR 1020180106862A KR 20180106862 A KR20180106862 A KR 20180106862A KR 20200028602 A KR20200028602 A KR 20200028602A
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- H05K1/00—Printed circuits
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- H05K1/185—Components encapsulated in the insulating substrate of the printed circuit or incorporated in internal layers of a multilayer circuit
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- H05K3/00—Apparatus or processes for manufacturing printed circuits
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- H01L24/02—Bonding areas ; Manufacturing methods related thereto
- H01L24/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
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- H01L24/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
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- H01L24/10—Bump connectors ; Manufacturing methods related thereto
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Abstract
Description
도 2는 전자기기의 일례를 개략적으로 나타낸 사시도다.
도 3은 BGA 패키지가 전자기기의 메인보드에 실장된 경우를 개략적으로 나타낸 단면도다.
도 4는 실리콘 인터포저 패키지가 메인보드에 실장된 경우를 개략적으로 나타낸 단면도다.
도 5는 유기 인터포저 패키지가 메인보드에 실장된 경우를 개략적으로 나타낸 단면도다.
도 6은 연결구조체 내장기판의 일례를 개략적으로 나타낸 단면도다.
도 7은 연결구조체 내장기판의 다른 일례를 개략적으로 나타낸 단면도다.
도 8은 연결구조체 내장기판의 다른 일례를 개략적으로 나타낸 단면도다.
도 9는 연결구조체 내장기판의 다른 일례를 개략적으로 나타낸 단면도다.
도 10은 연결구조체 내장기판의 다른 일례를 개략적으로 나타낸 단면도다.
도 11은 연결구조체 내장기판의 다른 일례를 개략적으로 나타낸 단면도다.
도 12는 연결구조체 내장기판의 다른 일례를 개략적으로 나타낸 단면도다.
도 13은 연결구조체 내장기판의 다른 일례를 개략적으로 나타낸 단면도다.
도 14는 연결구조체 내장기판의 다른 일례를 개략적으로 나타낸 단면도다.
도 15는 연결구조체 내장기판의 다른 일례를 개략적으로 나타낸 단면도다.
도 16은 연결구조체 내장기판의 다른 일례를 개략적으로 나타낸 단면도다.
도 17은 연결구조체 내장기판의 다른 일례를 개략적으로 나타낸 단면도다.
도 18은 연결구조체 내장기판의 다른 일례를 개략적으로 나타낸 단면도다.
도 19는 연결구조체 내장기판의 다른 일례를 개략적으로 나타낸 단면도다.
도 20은 연결구조체 내장기판의 다른 일례를 개략적으로 나타낸 단면도다.
도 21은 연결구조체 내장기판의 다른 일례를 개략적으로 나타낸 단면도다.
도 22a 및 도 22b는 도 9 내지 도 21의 연결구조체 내장기판에 적용될 수 있는 연결구조체의 다른 예들을 개략적으로 나타낸 단면도다.
Claims (18)
- 복수의 회로층을 포함하는 회로부재, 및 상기 회로부재와 나란하게 배치되며 외부전극을 갖는 수동소자, 를 포함하는 연결구조체; 및
상기 연결구조체를 덮는 절연층, 상기 절연층 상에 배치된 제1배선층, 상기 절연층의 적어도 일부를 관통하며 상기 제1배선층을 상기 복수의 회로층 중 최상측 회로층과 전기적으로 연결하는 제1배선비아, 및 상기 절연층의 적어도 일부를 관통하며 상기 제1배선층을 상기 수동소자의 외부전극과 전기적으로 연결하는 제2배선비아, 를 포함하는 인쇄회로기판; 을 포함하며,
상기 최상측 회로층의 상기 제1배선비아와 접하는 상면은 상기 외부전극의 상기 제2배선비아와 접하는 상면과 코플래너(Coplanar)한,
연결구조체 내장기판.
- 제 1 항에 있어서,
상기 연결구조체는 상기 회로부재 및 상기 수동소자 각각의 적어도 일부를 덮는 보강층을 더 포함하는,
연결구조체 내장기판.
- 제 2 항에 있어서,
상기 회로부재는 상기 수동소자가 배치되는 캐비티를 가지며,
상기 보강층은 상기 캐비티의 적어도 일부를 채우는,
연결구조체 내장기판.
- 제 3 항에 있어서,
상기 보강층은 상기 캐비티의 적어도 일부를 채우며 상기 수동소자의 적어도 일부를 덮는 제1보강층, 및 상기 회로부재 및 상기 제1보강층 각각의 적어도 일부를 덮는 제2보강층을 포함하며,
상기 제2보강층은 상기 제1보강층 보다 엘라스틱 모듈러스가 큰,
연결구조체 내장기판.
- 제 2 항에 있어서,
상기 연결구조체는 상기 보강층의 하면 상에 배치된 백사이드 회로층, 및 상기 보강층의 적어도 일부를 관통하며 상기 백사이드 회로층을 상기 복수의 회로층 중 최하측 회로층 및 상기 수동소자의 외부전극과 각각 전기적으로 연결하는 백사이드 접속비아층, 을 더 포함하는,
연결구조체 내장기판.
- 제 5 항에 있어서,
상기 인쇄회로기판 내의 상기 연결구조체 하측에는 복수의 패드가 배치되며,
상기 연결구조체는 상기 복수의 패드 상에 배치되며,
상기 백사이드 회로층은 상기 복수의 패드와 전기연결금속을 통하여 연결된,
연결구조체 내장기판.
- 제 2 항에 있어서,
상기 인쇄회로기판 내의 상기 연결구조체 하측에는 금속층이 배치되며,
상기 연결구조체는 상기 금속층 상에 배치되며,
상기 보강층의 하면은 상기 금속층에 접착제를 통하여 부착된,
연결구조체 내장기판.
- 제 2 항에 있어서,
연결구조체는 상기 복수의 회로층이 각각 배치된 복수의 절연층, 및 상기 복수의 절연층을 각각 관통하며 상기 복수의 회로층을 서로 전기적으로 연결하는 복수의 접속비아층, 을 더 포함하며,
상기 복수의 절연층 중 최상측 절연층의 상면은 상기 최상측 회로층의 상면 및 상기 외부전극의 상면과 코플래너(Coplanar)한,
연결구조체 내장기판.
- 제 8 항에 있어서,
상기 복수의 절연층은 각각 감광성 절연물질을 포함하는,
연결구조체 내장기판.
- 제 8 항에 있어서,
상기 보강층은 상기 복수의 절연층 각각 보다 엘라스틱 모듈러스가 큰,
연결구조체 내장기판.
- 제 8 항에 있어서,
상기 복수의 회로층은 각각 상기 제1배선층 보다 고밀도로 설계된,
연결구조체 내장기판.
- 제 11 항에 있어서,
상기 복수의 접속비아층 각각의 접속비아는 상기 제1 및 제2배선비아 보다 높이가 작으며, 비아간 피치가 작은,
연결구조체 내장기판.
- 제 1 항에 있어서,
상기 인쇄회로기판은 상기 제1배선층의 하측에 배치되며 상기 절연층으로 적어도 일부가 덮인 제2배선층, 및 상기 절연층의 적어도 일부를 관통하며 상기 제1 및 제2배선층을 전기적으로 연결하는 제3배선비아, 를 더 포함하며,
상기 제1 및 제2배선비아는 각각 상기 제3배선비아와 높이가 상이한,
연결구조체 내장기판.
- 제 1 항에 있어서,
상기 인쇄회로기판은 코어 절연층, 상기 코어 절연층의 양면에 배치된 코어 배선층, 상기 코어 절연층을 관통하며 서로 다른 층에 배치된 상기 코어 배선층을 전기적으로 연결하는 코어 배선비아층, 상기 코어 절연층의 상측으로 빌드업된 복수의 제1빌드업 절연층, 상기 복수의 제1빌드업 절연층 상에 각각 배치된 복수의 제1빌드업 배선층, 상기 복수의 제1빌드업 절연층을 각각 관통하며 서로 다른 층에 배치된 코어 배선층과 복수의 제1빌드업 배선층을 전기적으로 연결하는 복수의 제1빌드업 배선비아층, 상기 코어 절연층의 하측으로 빌드업된 복수의 제2빌드업 절연층, 상기 복수의 제2빌드업 절연층 상에 각각 배치된 복수의 제2빌드업 배선층, 및 상기 복수의 제2빌드업 절연층을 각각 관통하며 서로 다른 층에 배치된 코어 배선층과 복수의 제2빌드업 배선층을 전기적으로 연결하는 복수의 제2빌드업 배선비아층, 을 포함하며,
상기 복수의 제1빌드업 절연층은 상기 절연층을 포함하고, 상기 복수의 제1빌드업 배선층은 상기 제1배선층을 포함하고, 상기 복수의 제1빌드업 배선비아층은 상기 제1 및 제2배선비아를 포함하며,
상기 코어 절연층은 상기 복수의 제1빌드업 배선층 또는 상기 복수의 제2빌드업 배선층 보다 두께가 두꺼우며,
상기 코어 배선층은 상기 코어 절연층을 관통하는 관통홀의 벽면에 배치된 도전성 물질 및 상기 관통홀의 도전성 물질 사이를 채우는 플러깅 물질을 포함하는,
연결구조체 내장기판.
- 회로층을 포함하는 회로부재, 및 상기 회로부재와 나란하게 배치되며 외부전극을 갖는 수동소자, 를 포함하는 연결구조체;
상기 연결구조체가 내부에 내장되며, 상기 회로층과 전기적으로 연결되며 상기 회로층 보다 밀도가 낮은 배선층을 포함하는 인쇄회로기판; 및
상기 인쇄회로기판 상에 서로 나란하게 실장되며, 상기 배선층과 각각 전기연결금속을 통하여 전기적으로 연결된 복수의 전자부품; 을 포함하며,
상기 복수의 전자부품은 상기 회로층을 통하여 서로 전기적으로 연결된,
연결구조체 내장기판.
- 제 15 항에 있어서,
상기 복수의 전자부품 중 적어도 하나는 상기 수동소자의 직상에 배치되어상기 배선층을 통하여 상기 수동소자의 외부전극과 전기적으로 연결된,
연결구조체 내장기판.
- 제 15 항에 있어서,
상기 인쇄회로기판은 상기 연결구조체를 덮는 절연층을 더 포함하며,
상기 배선층은 상기 절연층 상에 배치되며,
상기 배선층은 상기 절연층의 적어도 일부를 관통하는 배선비아층을 통하여 상기 회로부재의 회로층 및 상기 수동소자의 외부전극과 각각 전기적으로 연결된,
연결구조체 내장기판.
- 제 17 항에 있어서,
상기 인쇄회로기판은, 상기 절연층 상에 배치되며 상기 배선층의 적어도 일부를 각각 노출시키는 복수의 개구부를 갖는 최외측 절연층, 및 상기 최외측 절연층의 복수의 개구부에 각각 배치되며 상기 노출된 배선층과 각각 연결된 복수의 언더범프금속, 을 더 포함하며,
상기 전기연결금속은 각각 상기 언더범프금속과 연결된,
연결구조체 내장기판.
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US16/203,053 US10903170B2 (en) | 2018-09-07 | 2018-11-28 | Substrate having embedded interconnect structure |
TW108131874A TWI727416B (zh) | 2018-09-07 | 2018-12-04 | 具有嵌入式內連線結構之基板 |
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KR102163059B1 (ko) | 2020-10-08 |
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US10903170B2 (en) | 2021-01-26 |
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