JP2006339595A - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP2006339595A JP2006339595A JP2005165800A JP2005165800A JP2006339595A JP 2006339595 A JP2006339595 A JP 2006339595A JP 2005165800 A JP2005165800 A JP 2005165800A JP 2005165800 A JP2005165800 A JP 2005165800A JP 2006339595 A JP2006339595 A JP 2006339595A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 122
- 229910000679 solder Inorganic materials 0.000 claims abstract description 51
- 239000007767 bonding agent Substances 0.000 claims abstract description 42
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000000758 substrate Substances 0.000 abstract description 35
- 229920005989 resin Polymers 0.000 abstract description 23
- 239000011347 resin Substances 0.000 abstract description 23
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- 230000004907 flux Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
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- 239000003822 epoxy resin Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 238000007747 plating Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
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- H01L24/01—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
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L24/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
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- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
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- H01L2224/29298—Fillers
- H01L2224/29299—Base material
- H01L2224/293—Base 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
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- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
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- H01L2224/29198—Material with a principal constituent of the material being a combination of two or more materials in the form of a matrix with a filler, i.e. being a hybrid material, e.g. segmented structures, foams
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- 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
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- 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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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
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- 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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- 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
- H01L2224/8312—Aligning
- H01L2224/83143—Passive alignment, i.e. self alignment, e.g. using surface energy, chemical reactions, thermal equilibrium
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- 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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- Die Bonding (AREA)
Abstract
【解決手段】樹脂基板4の一方面5には、平面視矩形状のアイランド6と、このアイランド6の4つの各角部から延出する延出部8とが一体的に形成されている。アイランド6の表面7は、半導体チップ1の裏面10がはんだ接合剤11を介して接合される接合面であり、半導体チップ1の裏面10の面積よりも小さな面積を有している。
【選択図】 図2
Description
図4は、BGAが採用された半導体装置の構成を示す図解的な断面図である。この半導体装置は、半導体チップ101と、半導体チップ101が搭載されるインタポーザ102と、半導体チップ101およびインタポーザ102の半導体チップ101に対向する面を封止する封止樹脂103とを備えている。
たとえば、パワーICが作り込まれた半導体チップは、その裏面(半導体基板の裏面)をグランドとして動作する。そのため、図4に示す半導体チップ101としてパワーICが作り込まれた半導体チップが備えられる場合、アイランド105と外部端子109とを電気的に接続するとともに、導電性を有する接合剤107を用いて、半導体チップ101の裏面をアイランド105に接合させなければならない。ところが、接合剤107としてはんだ接合剤を用いた場合、半導体装置の温度が急激に変化したときや、高温下での接合後の温度低下時に、接合剤107から半導体チップ101の裏面側の周縁部に応力が加わり、その周縁部にクラックなどの損傷を生じるおそれがある。たとえば、はんだ接合剤を接合剤107に用いた場合、リフローが必須となり、そのリフロー後の冷却時に、インタポーザ102(樹脂基板104)と半導体チップ101とに熱収縮量の差が生じ、この熱収縮量の差による応力が接合剤107から半導体チップ101の裏面側の周縁部に伝達される。
この発明の目的は、半導体チップの裏面をアイランドやダイパッドなどのチップ接合部の接合面に接合させるためにはんだ接合剤を用いても、半導体チップの損傷の発生を防止することができる半導体装置を提供することである。
この構成によれば、チップ接合部の接合面の面積が半導体チップの裏面の面積よりも小さいので、たとえば、チップ接合部の接合面にはんだ接合剤(クリーム状のはんだ)を塗布し、そのはんだ接合剤上に半導体チップを配置しても、はんだ接合剤は、半導体チップの側面に回り込まない。そのため、半導体装置の温度が急激に変化したときや、高温下での接合後の温度低下時に、半導体チップとチップ接合部との間に熱収縮差が生じても、半導体チップの裏面側の周縁部に応力が加わることを防止することができ、半導体チップの損傷の発生を防止することができる。
この構成によれば、チップ接合部の接合面にはんだ接合剤を塗布し、そのはんだ接合剤上に半導体チップを配置して、リフローを行うと、はんだ接合剤が溶融し、その融液が流動することによって、半導体チップがチップ接合部上で動く。複数の延出部が設けられているので、たとえば、半導体チップが或る延出部側に少し偏った位置に配置されても、その場合には、はんだ接合剤の融液が他の延出部に多く流れ込み、その融液の流れによって、半導体チップを接合面の中心上に導くことができる。そのため、半導体チップを接合面上に配置するときの公差を大きくとることができ、半導体装置の生産性の向上を図ることができる。
また、請求項4に記載のように、前記接合面は、矩形状に形成されており、前記延出部は、前記接合面の角部から延びていることが好ましい。
図1は、この発明の一実施形態に係る半導体装置の構成を示す図解的な断面図である。この半導体装置は、BGA(Ball Grid Array)が採用された半導体装置であり、半導体チップ1と、半導体チップ1が搭載されるインタポーザ2と、半導体チップ1およびインタポーザ2の半導体チップ1に対向する面を封止する封止樹脂3とを備えている。
インタポーザ2は、絶縁性樹脂(たとえば、ガラスエポキシ樹脂)からなる樹脂基板4を備えている。
各内部端子9は、図1に示すように、たとえば、金細線からなるボンディングワイヤ12を介して、半導体チップ1の表面の各電極パッドに接続(ワイヤボンディング)される。これにより、半導体チップ1が、ボンディングワイヤ12を介して内部端子9と電気的に接続される。
2 インタポーザ(チップ接合部)
7 接合面
8 延出部
10 裏面
11 はんだ接合剤
Claims (5)
- 半導体チップと、
前記半導体チップの裏面がはんだ接合剤を介して接合される接合面を有するチップ接合部とを含み、
前記接合面の面積が前記半導体チップの裏面の面積よりも小さいことを特徴とする、半導体装置。 - 前記接合面の周縁から前記接合面と平行な方向にそれぞれ延出する複数の延出部をさらに含むことを特徴とする、請求項1記載の半導体装置。
- 前記延出部は、前記半導体チップが前記接合面に接合された状態において、前記半導体チップの表面を垂直に見下ろす平面視で、その先端部が前記半導体チップの周縁の外側に達していることを特徴とする、請求項2記載の半導体装置。
- 前記接合面は、矩形状に形成されており、
前記延出部は、前記接合面の角部から延びていることを特徴とする、請求項2記載の半導体装置。 - 前記延出部は、前記接合面の4つの各角部から延びていることを特徴とする、請求項4記載の半導体装置。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005165800A JP4777692B2 (ja) | 2005-06-06 | 2005-06-06 | 半導体装置 |
CN201010162179A CN101834167A (zh) | 2005-06-06 | 2006-06-01 | 半导体装置、基板及半导体装置的制造方法 |
CN200680013260.6A CN101164162B (zh) | 2005-06-06 | 2006-06-01 | 半导体装置及其制造方法 |
US11/887,103 US20090051049A1 (en) | 2005-06-06 | 2006-06-01 | Semiconductor device, substrate and semiconductor device manufacturing method |
KR20077023933A KR20080013865A (ko) | 2005-06-06 | 2006-06-01 | 반도체 장치, 기판 및 반도체 장치의 제조 방법 |
PCT/JP2006/311014 WO2006132130A1 (ja) | 2005-06-06 | 2006-06-01 | 半導体装置、基板および半導体装置の製造方法 |
TW095120053A TW200735293A (en) | 2005-06-06 | 2006-06-06 | Semiconductor device, substrate and manufacturing method thereof |
US13/036,869 US8810016B2 (en) | 2005-06-06 | 2011-02-28 | Semiconductor device, substrate and semiconductor device manufacturing method |
US14/322,461 US9520374B2 (en) | 2005-06-06 | 2014-07-02 | Semiconductor device, substrate and semiconductor device manufacturing method |
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JP2005165800A JP4777692B2 (ja) | 2005-06-06 | 2005-06-06 | 半導体装置 |
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JP2011126632A Division JP2011199309A (ja) | 2011-06-06 | 2011-06-06 | 半導体装置 |
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JP4777692B2 JP4777692B2 (ja) | 2011-09-21 |
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JP2005165800A Expired - Fee Related JP4777692B2 (ja) | 2005-06-06 | 2005-06-06 | 半導体装置 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008300817A (ja) * | 2007-05-29 | 2008-12-11 | Headway Technologies Inc | 電子部品パッケージの製造方法、電子部品パッケージ用ウェハの製造方法ならびに電子部品パッケージ用基礎構造物の製造方法 |
JP2009291803A (ja) * | 2008-06-04 | 2009-12-17 | Mitsubishi Materials Corp | ボイド発生の少ないAu−Sn合金はんだペーストを用いた基板と素子の接合方法 |
JP2009302229A (ja) * | 2008-06-12 | 2009-12-24 | Mitsubishi Materials Corp | 位置合わせ性に優れたはんだペーストを用いた基板と被搭載物の接合方法 |
JP2010056399A (ja) * | 2008-08-29 | 2010-03-11 | Mitsubishi Materials Corp | 位置合わせ性に優れたはんだペーストを用いた基板と被搭載物の接合方法 |
JP2011238943A (ja) * | 2009-05-22 | 2011-11-24 | Sharp Corp | 半導体パッケージ及び半導体パッケージの製造方法 |
JP2012049182A (ja) * | 2010-08-24 | 2012-03-08 | Fuji Electric Co Ltd | 半導体装置の製造方法 |
KR101565184B1 (ko) | 2008-06-12 | 2015-11-02 | 미쓰비시 마테리알 가부시키가이샤 | 땜납 페이스트를 사용한 기판과 피탑재물의 접합 방법 |
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Cited By (7)
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JP2008300817A (ja) * | 2007-05-29 | 2008-12-11 | Headway Technologies Inc | 電子部品パッケージの製造方法、電子部品パッケージ用ウェハの製造方法ならびに電子部品パッケージ用基礎構造物の製造方法 |
JP2009291803A (ja) * | 2008-06-04 | 2009-12-17 | Mitsubishi Materials Corp | ボイド発生の少ないAu−Sn合金はんだペーストを用いた基板と素子の接合方法 |
JP2009302229A (ja) * | 2008-06-12 | 2009-12-24 | Mitsubishi Materials Corp | 位置合わせ性に優れたはんだペーストを用いた基板と被搭載物の接合方法 |
KR101565184B1 (ko) | 2008-06-12 | 2015-11-02 | 미쓰비시 마테리알 가부시키가이샤 | 땜납 페이스트를 사용한 기판과 피탑재물의 접합 방법 |
JP2010056399A (ja) * | 2008-08-29 | 2010-03-11 | Mitsubishi Materials Corp | 位置合わせ性に優れたはんだペーストを用いた基板と被搭載物の接合方法 |
JP2011238943A (ja) * | 2009-05-22 | 2011-11-24 | Sharp Corp | 半導体パッケージ及び半導体パッケージの製造方法 |
JP2012049182A (ja) * | 2010-08-24 | 2012-03-08 | Fuji Electric Co Ltd | 半導体装置の製造方法 |
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