KR101009130B1 - 웨이퍼 레벨 방열 패키지 및 그 제조방법 - Google Patents
웨이퍼 레벨 방열 패키지 및 그 제조방법 Download PDFInfo
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- KR101009130B1 KR101009130B1 KR1020090009369A KR20090009369A KR101009130B1 KR 101009130 B1 KR101009130 B1 KR 101009130B1 KR 1020090009369 A KR1020090009369 A KR 1020090009369A KR 20090009369 A KR20090009369 A KR 20090009369A KR 101009130 B1 KR101009130 B1 KR 101009130B1
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Abstract
Description
Claims (17)
- 다이 삽입용 캐비티 및 홀이 형성된 방열 플레이트;상기 방열 플레이트의 캐비티 내에 페이스 업 형태로 실장된 패드를 갖는 다이;상기 다이와 상기 캐비티 내벽 사이, 및 상기 홀에 개재되어 충진되는 열전도 접착제; 및일단이 상기 패드와 연결된 상태로 상기 다이에 연장 형성된 재배선층을 포함하는 것을 특징으로 하는 웨이퍼 레벨 방열 패키지.
- 청구항 1에 있어서,상기 재배선층의 타단을 노출시키는 오픈부를 가진 상태로 상기 다이에 형성된 솔더 레지스트층; 및상기 재배선층의 타단에 형성된 외부 접속단자를 더 포함하는 것을 특징으로 하는 웨이퍼 레벨 방열 패키지.
- 청구항 1에 있어서,상기 홀은 상기 방열 플레이트를 관통하도록 형성되는 것을 특징으로 하는 웨이퍼 레벨 방열 패키지.
- 청구항 1에 있어서,상기 홀은 상기 방열 플레이트에 다수개 형성된 것을 특징으로 하는 웨이퍼 레벨 방열 패키지.
- 청구항 1에 있어서,상기 홀은 상기 방열 플레이트의 가장자리에 형성되며, 부채꼴 단면 형상을 갖는 것을 특징으로 하는 웨이퍼 레벨 방열 패키지.
- 청구항 5에 있어서,상기 홀은 그 반지름이 이루는 각이 직각인 사분원 단면 형상을 갖는 것을 특징으로 하는 웨이퍼 레벨 방열 패키지.
- (A) 지지 플레이트에 패드를 갖는 다이를 페이스-다운 형태로 부착하는 단계;(B) 방열 플레이트에 다이 삽입용 캐비티 및 홀을 형성하는 단계;(C) 열전도 접착제를 사용하여 상기 캐비티에 상기 다이가 삽입되도록 상기 방열 플레이트를 상기 지지 플레이트에 부착하는 단계; 및(D) 상기 지지 플레이트를 제거하고, 상기 다이의 상부에 일단이 상기 다이의 패드와 연결된 상태로 연장된 재배선층을 형성하는 단계를 포함하는 것을 특징으로 하는 웨이퍼 레벨 방열 패키지의 제조방법.
- 청구항 7에 있어서,상기 (A) 단계는,(A1) 지지 플레이트에 정렬마크를 형성하는 단계;(A2) 상기 정렬마크가 형성된 지지 플레이트에 반경화 상태의 투명한 희생층를 형성하는 단계; 및(A3) 상기 지지 플레이트에 형성된 정렬마크를 이용하여 상기 다이를 정렬하고, 상기 희생층을 통해 상기 다이를 페이스-다운 형태로 상기 지지 플레이트에 부착하는 단계를 포함하는 것을 특징으로 하는 웨이퍼 레벨 방열 패키지의 제조방법.
- 청구항 7에 있어서,상기 (B) 단계에서,상기 홀은 상기 방열 플레이트를 관통하도록 형성되는 것을 특징으로 하는 웨이퍼 레벨 방열 패키지의 제조방법.
- 청구항 7에 있어서,상기 (B) 단계에서,상기 홀은 각각의 다이를 포함하는 패키지 유닛마다 다수개 형성되는 것을 특징으로 하는 웨이퍼 레벨 방열 패키지의 제조방법.
- 청구항 7에 있어서,상기 (B) 단계에서,상기 홀은 상기 방열 플레이트의 네 가장자리에 형성되며, 부채꼴 단면 형상을 갖는 것을 특징으로 하는 웨이퍼 레벨 방열 패키지의 제조방법.
- 청구항 11에 있어서,상기 홀은 그 반지름이 이루는 각이 직각인 사분원 단면 형상을 갖는 것을 특징으로 하는 웨이퍼 레벨 방열 패키지의 제조방법.
- 청구항 10에 있어서,상기 홀은 패키지 유닛을 구획하는 스크라이빙 라인에 형성되는 것을 특징으로 하는 웨이퍼 레벨 방열 패키지의 제조방법.
- 청구항 7에 있어서,상기 (C) 단계는,상기 다이의 상부에 열전도 접착제를 도포한 후, 상기 열전도 접착제가 상기 다이와 캐비티 사이의 공간, 및 상기 홀에 개재됨으로써 상기 방열 플레이트가 상기 지지 플레이트에 부착되는 것을 특징으로 하는 웨이퍼 레벨 방열 패키지의 제조방법.
- 청구항 7에 있어서,상기 (C) 단계는,상기 캐비티에 상기 다이가 삽입되도록 상기 방열 플레이트를 상기 지지 플레이트에 정렬시킨 후, 상기 방열 플레이트의 홀에 열전도 접착제를 인젝션하여 상기 열전도 접착제가 상기 다이와 캐비티 사이의 공간, 및 상기 홀에 개재됨으로써 상기 방열 플레이트가 상기 지지 플레이트에 부착되는 것을 특징으로 하는 웨이퍼 레벨 방열 패키지의 제조방법.
- 청구항 15에 있어서,상기 인젝션은 상기 열전도 접착제가 인젝션되지 않는 다른 홀을 통해 내부의 공기를 배출시키면서 수행되는 것을 특징으로 하는 웨이퍼 레벨 방열 패키지의 제조방법.
- 청구항 7에 있어서,상기 (D) 단계 이후에,(E) 상기 재배선층의 타단을 노출시키는 오픈부를 갖는 솔더 레지스트층을 상기 다이에 형성하는 단계;(F) 상기 오픈부에 의해 노출된 상기 재배선층의 타단에 외부접속단자를 형성하는 단계; 및(G) 스크라이빙 라인을 따라 개별 다이별로 싱귤레이션 하는 단계를 더 포함하는 것을 특징으로 하는 웨이퍼 레벨 방열 패키지의 제조방법.
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KR1020090009369A KR101009130B1 (ko) | 2009-02-05 | 2009-02-05 | 웨이퍼 레벨 방열 패키지 및 그 제조방법 |
US12/424,514 US8283768B2 (en) | 2009-02-05 | 2009-04-15 | Wafer Level package for heat dissipation and method of manufacturing the same |
US13/607,393 US20130005089A1 (en) | 2009-02-05 | 2012-09-07 | Wafer Level Package For Heat Dissipation And Method Of Manufacturing The Same |
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US20110233756A1 (en) * | 2010-03-24 | 2011-09-29 | Maxim Integrated Products, Inc. | Wafer level packaging with heat dissipation |
CN102171818A (zh) * | 2011-04-18 | 2011-08-31 | 华为终端有限公司 | 芯片散热装置、电子设备及散热器的固定方法 |
US20130040423A1 (en) | 2011-08-10 | 2013-02-14 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method of Multi-Chip Wafer Level Packaging |
US8754514B2 (en) | 2011-08-10 | 2014-06-17 | Taiwan Semiconductor Manufacturing Company, Ltd. | Multi-chip wafer level package |
US9029202B2 (en) | 2013-05-28 | 2015-05-12 | Freescale Semiconductor, Inc. | Method of forming a high thermal conducting semiconductor device package |
US9123685B2 (en) | 2013-07-15 | 2015-09-01 | Freescale Semiconductor Inc. | Microelectronic packages having frontside thermal contacts and methods for the fabrication thereof |
JP6124258B2 (ja) * | 2013-08-21 | 2017-05-10 | アルプス電気株式会社 | 電子回路ユニット及び電子回路ユニットの製造方法 |
US9576930B2 (en) * | 2013-11-08 | 2017-02-21 | Taiwan Semiconductor Manufacturing Co., Ltd. | Thermally conductive structure for heat dissipation in semiconductor packages |
US10431534B2 (en) | 2017-12-11 | 2019-10-01 | Nxp Usa, Inc. | Package with support structure |
CN109950214A (zh) * | 2017-12-20 | 2019-06-28 | 安世有限公司 | 芯片级封装半导体器件及其制造方法 |
WO2019179259A1 (en) * | 2018-03-21 | 2019-09-26 | Bitmain Technologies Inc. | Chip heat dissipating structure, chip structure, circuit board, and computing device |
US11953728B2 (en) * | 2018-08-06 | 2024-04-09 | Rockley Photonics Limited | Method for III-v/silicon hybrid integration |
US10825796B2 (en) | 2018-10-22 | 2020-11-03 | Nanya Technology Corporation | Semiconductor package and method for manufacturing the same |
US11398399B2 (en) * | 2019-03-08 | 2022-07-26 | X Display Company Technology Limited | Components with backside adhesive layers |
CN113035756A (zh) * | 2021-03-24 | 2021-06-25 | 绍兴同芯成集成电路有限公司 | 一种利用玻璃载板进行超薄晶圆制程基板散热的方法 |
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US8283768B2 (en) | 2012-10-09 |
US20100193932A1 (en) | 2010-08-05 |
KR20100090083A (ko) | 2010-08-13 |
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