KR100890073B1 - 수직으로 적층된 반도체 장치 및 그 제조 방법 - Google Patents
수직으로 적층된 반도체 장치 및 그 제조 방법 Download PDFInfo
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- KR100890073B1 KR100890073B1 KR1020067021863A KR20067021863A KR100890073B1 KR 100890073 B1 KR100890073 B1 KR 100890073B1 KR 1020067021863 A KR1020067021863 A KR 1020067021863A KR 20067021863 A KR20067021863 A KR 20067021863A KR 100890073 B1 KR100890073 B1 KR 100890073B1
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- H—ELECTRICITY
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- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/12—Mountings, e.g. non-detachable insulating substrates
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- 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
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/0212—Auxiliary members for bonding areas, e.g. spacers
- H01L2224/02122—Auxiliary members for bonding areas, e.g. spacers being formed on the semiconductor or solid-state body
- H01L2224/02163—Auxiliary members for bonding areas, e.g. spacers being formed on the semiconductor or solid-state body on the bonding area
- H01L2224/02165—Reinforcing structures
- H01L2224/02166—Collar structures
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- 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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- 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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- 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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- 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
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- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
- H01L2224/8338—Bonding interfaces outside the semiconductor or solid-state body
- H01L2224/83385—Shape, e.g. interlocking features
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- H—ELECTRICITY
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- 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
- H01L2924/01—Chemical elements
- H01L2924/01005—Boron [B]
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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
- H01L2924/181—Encapsulation
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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)
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- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (11)
- 도전성 상호접속들을 갖는 기판;지지 칩들을 포함하는, 상기 기판 상에 2개 이상의 수직으로 적층된 칩- 각각의 지지 칩은 제1 표면 위의 보호 오버코트 층 및 본드 패드 캡들로 덮여진 본드 패드들을 가짐 -;상기 제1 표면 상에 배치된 상기 본드 패드 캡들과 동일한 두께를 갖고, 다음의 연속한 칩으로부터 상기 지지 칩을 격리하기 위해 상기 보호 오버코트 층과 접촉하는 금속 스탠드오프(standoff)들; 및적어도 하나의 칩을 상기 기판에 접속시키는 복수의 본드 와이어를 포함하는 반도체 장치.
- 제1항에 있어서, 상기 금속 스탠드오프들은 알루미늄 섬(island)들을 포함하는 반도체 장치.
- 제1항 또는 제2항에 있어서, 상기 금속 스탠드오프들의 두께는 5 내지 20kÅ인 반도체 장치.
- 제1항 또는 제2항에 있어서, 상기 스탠드오프들은 칩 패시베이션 층 위에 패터닝되는 반도체 장치.
- 제1항 또는 제2항에 있어서, 상기 금속 스탠드오프들은 열적으로 도전성인 반도체 장치.
- 제1항 또는 제2항에 있어서, 상기 금속 스탠드오프들은 본드 패드들에 의해 둘러싸인 영역 내에 위치되는 반도체 장치.
- 제1항 또는 제2항에 있어서, 중합 접착제(polymeric adhesive)가 제1 칩을 상기 기판에 고정시키는 반도체 장치.
- 제1항 또는 제2항에 있어서, 상기 지지 칩들은 알루미늄 캡들을 갖는 구리 본드 패드들을 포함하는 반도체 장치.
- 금속 섬 스탠드오프들을 갖는 반도체 칩을 제조하는 방법으로서,상단면 상에 본드 패드 개구들을 갖는 패시베이션 층에 의해 덮여진 복수의 집적 회로 장치들을 갖는 반도체 웨이퍼를 제공하는 단계;상기 웨이퍼 상에 알루미늄을 포함하는 금속 층을 퇴적하는 단계;상기 금속 층 위에 포토레지스트 층을 형성하는 단계;본드 패드들을 덮고 상기 웨이퍼에 섬들을 추가하기 위한 패턴들을 갖는 마스크를 정렬하는 단계;상기 포토레지스트를 노광 및 현상하는 단계;상기 웨이퍼로부터 원하지 않는 금속을 제거하기 위해 에칭하는 단계; 및상기 웨이퍼를 개별 칩들로 다이싱하는 단계를 포함하는 반도체 칩 제조 방법.
- 칩들을 격리하는 하나 이상의 고정된 금속 스탠드오프들을 갖는 수직으로 적층된 칩들을 포함하는 반도체 장치를 조립하는 방법으로서,본딩 랜드(bonding land)들 및 도전성 상호접속들을 갖는 기판을 제공하는 단계;상기 기판에 중합 칩 부착 접착제를 도포하는 단계;상기 접착제에 하나 이상의 금속 스탠드오프들을 갖는 지지 칩을 정렬하는 단계;상기 섬들 및 상기 지지 칩 상의 섬들 사이의 공간에 접착제를 도포하는 단계;상기 지지 칩 상의 상기 접착제 위에 제2 칩을 정렬하는 단계; 및상기 칩들 각각을 상기 기판에 와이어 본딩하는 단계를 포함하는 반도체 장치 조립 방법.
- 제10항에 있어서,상기 제2 칩 상의 상기 섬들에 접착제를 도포하는 단계;제3 칩을 정렬 및 위치시키는 단계;상기 접착제를 경화하는 단계; 및상기 제3 칩으로부터 상기 기판으로 와이어들을 본딩하는 단계를 더 포함하는 방법.
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KR1020067021863A KR100890073B1 (ko) | 2004-03-23 | 2005-03-23 | 수직으로 적층된 반도체 장치 및 그 제조 방법 |
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KR20070018057A KR20070018057A (ko) | 2007-02-13 |
KR100890073B1 true KR100890073B1 (ko) | 2009-03-24 |
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Families Citing this family (16)
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US8723332B2 (en) | 2007-06-11 | 2014-05-13 | Invensas Corporation | Electrically interconnected stacked die assemblies |
TW200917391A (en) * | 2007-06-20 | 2009-04-16 | Vertical Circuits Inc | Three-dimensional circuitry formed on integrated circuit device using two-dimensional fabrication |
US8704379B2 (en) | 2007-09-10 | 2014-04-22 | Invensas Corporation | Semiconductor die mount by conformal die coating |
KR101554761B1 (ko) | 2008-03-12 | 2015-09-21 | 인벤사스 코포레이션 | 지지부에 실장되는 전기적으로 인터커넥트된 다이 조립체 |
US9153517B2 (en) | 2008-05-20 | 2015-10-06 | Invensas Corporation | Electrical connector between die pad and z-interconnect for stacked die assemblies |
US7863159B2 (en) | 2008-06-19 | 2011-01-04 | Vertical Circuits, Inc. | Semiconductor die separation method |
JP5963671B2 (ja) | 2009-06-26 | 2016-08-03 | インヴェンサス・コーポレーション | ジグザクの構成でスタックされたダイに関する電気的相互接続 |
WO2011056668A2 (en) | 2009-10-27 | 2011-05-12 | Vertical Circuits, Inc. | Selective die electrical insulation additive process |
TWI544604B (zh) | 2009-11-04 | 2016-08-01 | 英維瑟斯公司 | 具有降低應力電互連的堆疊晶粒總成 |
US9490195B1 (en) | 2015-07-17 | 2016-11-08 | Invensas Corporation | Wafer-level flipped die stacks with leadframes or metal foil interconnects |
US9825002B2 (en) | 2015-07-17 | 2017-11-21 | Invensas Corporation | Flipped die stack |
US9871019B2 (en) | 2015-07-17 | 2018-01-16 | Invensas Corporation | Flipped die stack assemblies with leadframe interconnects |
US9508691B1 (en) | 2015-12-16 | 2016-11-29 | Invensas Corporation | Flipped die stacks with multiple rows of leadframe interconnects |
US10566310B2 (en) | 2016-04-11 | 2020-02-18 | Invensas Corporation | Microelectronic packages having stacked die and wire bond interconnects |
US9595511B1 (en) | 2016-05-12 | 2017-03-14 | Invensas Corporation | Microelectronic packages and assemblies with improved flyby signaling operation |
US9728524B1 (en) | 2016-06-30 | 2017-08-08 | Invensas Corporation | Enhanced density assembly having microelectronic packages mounted at substantial angle to board |
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US6650009B2 (en) * | 2000-07-18 | 2003-11-18 | Siliconware Precision Industries Co., Ltd. | Structure of a multi chip module having stacked chips |
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