KR20020088669A - 반도체칩의 스택킹 구조 및 그 방법 - Google Patents
반도체칩의 스택킹 구조 및 그 방법 Download PDFInfo
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- KR20020088669A KR20020088669A KR1020010027473A KR20010027473A KR20020088669A KR 20020088669 A KR20020088669 A KR 20020088669A KR 1020010027473 A KR1020010027473 A KR 1020010027473A KR 20010027473 A KR20010027473 A KR 20010027473A KR 20020088669 A KR20020088669 A KR 20020088669A
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- semiconductor chip
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- conductive wire
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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
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—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
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32135—Disposition the layer connector connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/32145—Disposition the layer connector connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being stacked
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—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
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/32221—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/32225—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
- H01L2224/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
- H01L2224/45001—Core members of the connector
- H01L2224/45099—Material
- H01L2224/451—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof
- H01L2224/45138—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
- H01L2224/45144—Gold (Au) as principal constituent
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48225—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
- H01L2224/48227—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation connecting the wire to a bond pad of the item
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/484—Connecting portions
- H01L2224/48463—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond
- H01L2224/48465—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond the other connecting portion not on the bonding area being a wedge bond, i.e. ball-to-wedge, regular stitch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/91—Methods for connecting semiconductor or solid state bodies including different methods provided for in two or more of groups H01L2224/80 - H01L2224/90
- H01L2224/92—Specific sequence of method steps
- H01L2224/922—Connecting different surfaces of the semiconductor or solid-state body with connectors of different types
- H01L2224/9222—Sequential connecting processes
- H01L2224/92242—Sequential connecting processes the first connecting process involving a layer connector
- H01L2224/92247—Sequential connecting processes the first connecting process involving a layer connector the second connecting process involving a wire connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/153—Connection portion
- H01L2924/1531—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface
- H01L2924/15311—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface being a ball array, e.g. BGA
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Wire Bonding (AREA)
Abstract
Description
Claims (6)
- 다수의 회로패턴이 형성된 섭스트레이트와;상기 섭스트레이트의 표면에 접착되어 있으며, 대략 평면인 제1면과 제2면을 갖고, 상기 제2면에는 다수의 입출력패드가 형성된 제1반도체칩과;상기 제1반도체칩의 입출력패드와 섭스트레이트의 회로패턴을 상호 전기적으로 연결하는 제1도전성와이어와;상기 제1반도체칩의 제2면에 일정두께로 도포된 제1접착제와;상기 제1접착제 상면에 일정두께로 도포된 제2접착제와;대략 평면인 제1면과 제2면을 갖고, 상기 제2면에는 다수의 입출력패드가 형성되어 있으며, 상기 제2접착제에 상기 제1면이 접착된 제2반도체칩과;상기 제2반도체칩의 입출력패드와 상기 섭스트레이트의 회로패턴을 연결하는 제2도전성와이어를 포함하여 이루어진 반도체칩의 스택킹 구조.
- 제1항에 있어서, 상기 제1접착제 및 제2접착제는 총두께가 제1도전성와이어의 루프하이트(Loop Height)보다 크게 형성된 것을 특징으로 하는 반도체칩의 스택킹 구조.
- 제1항 또는 제2항중 어느 한 항에 있어서, 상기 제1접착제는 전기적으로 비전도성인 것을 특징으로 하는 반도체칩의 스택킹 구조.
- 제1항 또는 제2항중 어느 한 항에 있어서, 상기 제1반도체칩과 제2반도체칩은 동일한 크기로 형성된 것을 특징으로 하는 반도체칩의 스택킹 구조.
- 다수의 회로패턴이 형성된 섭스트레이트를 제공하고, 대략 평면인 제1면과 제2면을 갖고, 상기 제2면에는 다수의 입출력패드가 형성된 제1반도체칩을 제공하며, 상기 제1반도체칩의 제1면을 상기 섭스트레이트의 표면에 접착하는 단계와;상기 제1반도체칩의 입출력패드와 섭스트레이트의 회로패턴을 제1도전성와이어로 연결하는 단계와;상기 제1반도체칩의 제2면에 일정두께로 제1접착제를 도포하여 경화시키는 단계와;상기 제1접착제 상면에 일정두께로 제2접착제를 도포하는 단계와;대략 평면인 제1면과 제2면을 갖고, 상기 제2면에는 다수의 입출력패드가 형성된 제2반도체칩을 제공하고, 상기 제2반도체칩의 제2면을 상기 제2접착제에 접착하는 단계와;상기 제2반도체칩의 입출력패드와 상기 섭스트레이트의 회로패턴을 제2도전성와이어로 연결하는 단계를 포함하여 이루어진 반도체칩의 스택킹 방법.
- 제5항에 있어서, 상기 제1접착제 및 제2접착제는 총두께가 제1도전성와이어의 루프하이트보다 크게 되도록 형성함을 특징으로 하는 반도체칩의 스택킹 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-2001-0027473A KR100520602B1 (ko) | 2001-05-19 | 2001-05-19 | 반도체칩의 스택킹 구조 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-2001-0027473A KR100520602B1 (ko) | 2001-05-19 | 2001-05-19 | 반도체칩의 스택킹 구조 |
Publications (2)
Publication Number | Publication Date |
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KR20020088669A true KR20020088669A (ko) | 2002-11-29 |
KR100520602B1 KR100520602B1 (ko) | 2005-10-10 |
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KR10-2001-0027473A KR100520602B1 (ko) | 2001-05-19 | 2001-05-19 | 반도체칩의 스택킹 구조 |
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Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US5291061A (en) * | 1993-04-06 | 1994-03-01 | Micron Semiconductor, Inc. | Multi-chip stacked devices |
JPH1027880A (ja) * | 1996-07-09 | 1998-01-27 | Sumitomo Metal Mining Co Ltd | 半導体装置 |
JPH11251512A (ja) * | 1998-03-06 | 1999-09-17 | Sumitomo Metal Mining Co Ltd | 半導体チップの積層方法およびこれを用いた半導体装置 |
KR20020015214A (ko) * | 2000-08-21 | 2002-02-27 | 마이클 디. 오브라이언 | 반도체패키지 |
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- 2001-05-19 KR KR10-2001-0027473A patent/KR100520602B1/ko active IP Right Grant
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KR100520602B1 (ko) | 2005-10-10 |
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