KR20060133669A - 비아홀들을 구비한 다층웨이퍼구조 및 이를 이용한 패키지방법 - Google Patents
비아홀들을 구비한 다층웨이퍼구조 및 이를 이용한 패키지방법 Download PDFInfo
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- KR20060133669A KR20060133669A KR1020050053417A KR20050053417A KR20060133669A KR 20060133669 A KR20060133669 A KR 20060133669A KR 1020050053417 A KR1020050053417 A KR 1020050053417A KR 20050053417 A KR20050053417 A KR 20050053417A KR 20060133669 A KR20060133669 A KR 20060133669A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/12—Mountings, e.g. non-detachable insulating substrates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3157—Partial encapsulation or coating
- H01L23/3171—Partial encapsulation or coating the coating being directly applied to the semiconductor body, e.g. passivation layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- 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
- H01L23/481—Internal lead connections, e.g. via connections, feedthrough structures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- 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
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49811—Additional leads joined to the metallisation on the insulating substrate, e.g. pins, bumps, wires, flat leads
- H01L23/49816—Spherical bumps on the substrate for external connection, e.g. ball grid arrays [BGA]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/538—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates
- H01L23/5383—Multilayer substrates
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Manufacturing & Machinery (AREA)
Abstract
Description
Claims (4)
- 다수 개의 웨이퍼가 적층되는 다층웨이퍼구조에서,적층되는 상기 웨이퍼는 각각 다이싱공정에서 사용되는 절단선(scribe line)을 따라 마이크로단위(micro-scale)의 클리어홀(clear hole)들이 상기 웨이퍼의 상부면과 하부면을 관통하도록 형성되고,적층되는 상기 웨이퍼 가운데 최상층(기판에서 가장 가까운) 웨이퍼의 전면(액티브 면)은 패시베이션(passivation) 처리 후 폴리이미드(polyimide) 코팅 처리되고,상기 웨이퍼들의 적층이 완료된 후 상기 절단선의 내측에 형성되며 적층된 상기 웨이퍼 층의 최하층 이면과 최상층 액티브 패턴 표면까지 관통하는 비아홀들(via holes)이 구비되고,상기 비아홀들의 내주면을 따라 상기 웨이퍼층의 최하층 이면과 최상층 액티브 패턴 표면까지 도달하는 금속회로가 구비되는 것을 특징으로 하는 비아홀들을 구비한 다층웨이퍼구조.
- 제1항에서 적층 웨이퍼들의 절단선을 따라 형성된 클리어홀들 내에 접착재(웨이퍼들 사이의 접착을 위한 접착재)가 모세관 현상에 의해 스며들도록 하는 방법.
- 제1항에서 상기 금속회로는 금(Au), 은(Ag) 및 알루미늄(Al) 가운데 어느 하나로 구성되는 것을 특징으로 하는 비아홀들을 구비한 다층웨이퍼구조.
- 다층웨이퍼구조를 이용한 패키지(package) 방법으로서,각 웨이퍼의 액티브 표면에 패시베이션 도포 후 패드오픈을 하지 않는 단계;최하층에 위치할 웨이퍼의 일측 표면에 패시베이션 처리를 하는 패시베이션 단계;웨이퍼의 절단라인을 따라 마이크로단위의 클리어홀을 가공하는 클리어홀 천공단계;최상층 웨이퍼의 패시베이션 층이 지면을 향하도록 하고 그 반대면에 접착재를 이용하여 웨이퍼를 적층하는 스태킹(stacking) 단계;최상층 웨이퍼의 패시베이션 층에만 폴리이미드 코팅을 하는 코팅단계;적층된 웨이퍼들의 패드 부위를 따라 최하층 이면에서 최상층 전면을 관통하는 비아홀들을 가공하는 비아홀들 천공단계;천공된 비아홀들의 내주면들을 따라 웨이퍼의 최하층에서 최상층의 액티브 패턴 층까지 금속회로로 연결하는 메탈리제이션(metallization) 단계;절단라인을 따라 개별 칩(chip)들로 절단하는 다이싱(dicing) 단계; 및,절단된 적층 칩들의 최상면 액티브 패턴 층에 솔더볼(solder ball)을 이용하여 기판과 전기적으로 연결하는 마운팅(mounting) 단계;를 포함하여 구성되는 것을 특징으로 하는 다층웨이퍼구조를 이용한 패키지 방법.
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KR20050053417A KR100695490B1 (ko) | 2005-06-21 | 2005-06-21 | 비아홀들을 구비한 다층웨이퍼구조 및 이를 이용한 패키지방법 |
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KR20050053417A KR100695490B1 (ko) | 2005-06-21 | 2005-06-21 | 비아홀들을 구비한 다층웨이퍼구조 및 이를 이용한 패키지방법 |
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KR20060133669A true KR20060133669A (ko) | 2006-12-27 |
KR100695490B1 KR100695490B1 (ko) | 2007-03-14 |
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KR20020024624A (ko) * | 2000-09-26 | 2002-04-01 | 윤종용 | 칩 수준의 크기를 갖는 적층 패키지와 그 제조 방법 |
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