JP2005317735A - 半導体装置及びその製造方法 - Google Patents
半導体装置及びその製造方法 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 191
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 112
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 37
- 239000012535 impurity Substances 0.000 claims description 90
- 238000005498 polishing Methods 0.000 claims description 47
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 32
- 229910052710 silicon Inorganic materials 0.000 claims description 32
- 239000010703 silicon Substances 0.000 claims description 32
- 238000005247 gettering Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 13
- 238000009792 diffusion process Methods 0.000 abstract description 27
- 239000010410 layer Substances 0.000 description 96
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- 230000001681 protective effect Effects 0.000 description 7
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/322—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to modify their internal properties, e.g. to produce internal imperfections
- H01L21/3221—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to modify their internal properties, e.g. to produce internal imperfections of silicon bodies, e.g. for gettering
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- 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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- 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
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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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- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/065—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L27/00
- H01L25/0657—Stacked arrangements of devices
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- 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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- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
【解決手段】 下部半導体装置13は、素子活性領域13aを上面に有する半導体基板を備え、基板は130μm以下の厚みを有する。また、基板厚みの60%程度の厚みを有する高濃度不純物含有層21を素子活性領域13aと基板底面との間に有する。
【選択図】 図1
Description
前記基板が130μm以下の厚みを有し、該基板厚みの50%以上の厚みを有し重金属をゲッタリングする機能を有する不純物含有層を前記活性層と基板底面との間に有することを特徴としている。
前記半導体チップの少なくとも1つを研磨する工程であって、半導体基板の厚みが130μm以下となるように底面から研磨し、該研磨において重金属をゲッタリングする機能を有する不純物含有層を前記半導体基板の厚みの50%以上となるように底面に残す第1の研磨工程と、前記不純物含有層の底面を前記第1の研磨工程よりも微細に研磨し、前記不純物含有層の厚みが該半導体基板の厚みの50%以上となるように残す第2の研磨工程とを含む研磨工程を備えることを特徴としている。
11:MCP基板
12:接着層
13:下部半導体チップ
13a:素子活性領域
14:表面保護膜
15:接着層
16:上部半導体チップ
16a:素子活性領域
17:ボンディングワイヤ
18:樹脂封止材
19:はんだボール
20:シリコン基板
21:高濃度不純物含有層
22:低濃度不純物含有層
22a:不純物拡散領域
23:ダメージ層
24:酸素析出層
30:MCP
31,31a:重金属
32:空乏化領域
Claims (8)
- 活性層を上面に有する半導体基板を備える半導体装置において、
前記基板が130μm以下の厚みを有し、該基板厚みの50%以上の厚みを有し重金属をゲッタリングする機能を有する不純物含有層を前記活性層と基板底面との間に有することを特徴とする半導体装置。 - 前記基板厚みが100μm以下である、請求項1に記載の半導体装置。
- 前記不純物含有層が、前記基板厚みの60%以上である、請求項1又は2に記載の半導体装置。
- 前記不純物含有層が、1018/cm3以上の不純物濃度を有する不純物含有シリコン層である、請求項1〜3の何れか一に記載の半導体装置。
- 前記不純物含有層の底面の中心線平均粗さRaが、Ra<5nmとなるように研磨されている、請求項1〜4の何れか一に記載の半導体装置。
- 請求項1〜5の何れか一に記載の半導体装置を1つ以上積層して備えることを特徴とするマルチチップパッケージ。
- 複数の半導体チップを積層して備える半導体装置の製造方法において、
前記半導体チップの少なくとも1つを研磨する工程であって、半導体基板の厚みが130μm以下となるように底面から研磨し、該研磨において重金属をゲッタリングする機能を有する不純物含有層を前記半導体基板の厚みの50%以上となるように底面に残す第1の研磨工程と、前記不純物含有層の底面を前記第1の研磨工程よりも微細に研磨し、前記不純物含有層の厚みが該半導体基板の厚みの50%以上となるように残す第2の研磨工程とを含む研磨工程を備えることを特徴とする半導体装置の製造方法。 - 前記不純物含有層が、1018/cm3以上の不純物濃度を有する不純物含有シリコン層である、請求項7に記載の半導体装置の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004133383A JP3950868B2 (ja) | 2004-04-28 | 2004-04-28 | 半導体装置及びその製造方法 |
US11/115,327 US20050245052A1 (en) | 2004-04-28 | 2005-04-27 | Semiconductor device having a gettering layer |
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JP2004133383A JP3950868B2 (ja) | 2004-04-28 | 2004-04-28 | 半導体装置及びその製造方法 |
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JP2005317735A true JP2005317735A (ja) | 2005-11-10 |
JP3950868B2 JP3950868B2 (ja) | 2007-08-01 |
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JP2004133383A Expired - Fee Related JP3950868B2 (ja) | 2004-04-28 | 2004-04-28 | 半導体装置及びその製造方法 |
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US (1) | US20050245052A1 (ja) |
JP (1) | JP3950868B2 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006041258A (ja) * | 2004-07-28 | 2006-02-09 | Renesas Technology Corp | ゲッタリング層を有する半導体チップとその製造方法 |
JP2007149919A (ja) * | 2005-11-28 | 2007-06-14 | Renesas Technology Corp | マルチチップモジュール |
WO2009004889A1 (ja) * | 2007-07-04 | 2009-01-08 | Shin-Etsu Handotai Co., Ltd. | 薄膜シリコンウェーハ及びその作製法 |
JP2009522549A (ja) * | 2005-12-30 | 2009-06-11 | マイクロン テクノロジー, インク. | 接続検査技術 |
JP2009272314A (ja) * | 2008-04-30 | 2009-11-19 | Shin Etsu Handotai Co Ltd | 多層シリコン半導体ウェーハ及びその作製方法 |
JP2010283296A (ja) * | 2009-06-08 | 2010-12-16 | Sumco Corp | シリコンウェーハ及びその製造方法、並びに、半導体デバイスの製造方法 |
JP2011100996A (ja) * | 2009-10-09 | 2011-05-19 | Sumco Corp | 半導体基板内部の重金属の除去方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20110050208A (ko) * | 2009-11-06 | 2011-05-13 | 삼성전자주식회사 | 반도체 칩의 밑면 구조가 다른 적층형 반도체 소자 및 이를 포함하는 전자장치 |
US9390942B2 (en) * | 2012-11-30 | 2016-07-12 | Peregrine Semiconductor Corporation | Method, system, and apparatus for preparing substrates and bonding semiconductor layers to substrates |
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US5571373A (en) * | 1994-05-18 | 1996-11-05 | Memc Electronic Materials, Inc. | Method of rough polishing semiconductor wafers to reduce surface roughness |
JP3211747B2 (ja) * | 1997-09-30 | 2001-09-25 | 日本電気株式会社 | 半導体装置の製造方法 |
JP2000208698A (ja) * | 1999-01-18 | 2000-07-28 | Toshiba Corp | 半導体装置 |
JP2002368001A (ja) * | 2001-06-07 | 2002-12-20 | Denso Corp | 半導体装置及びその製造方法 |
JP4346333B2 (ja) * | 2003-03-26 | 2009-10-21 | 新光電気工業株式会社 | 半導体素子を内蔵した多層回路基板の製造方法 |
-
2004
- 2004-04-28 JP JP2004133383A patent/JP3950868B2/ja not_active Expired - Fee Related
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2005
- 2005-04-27 US US11/115,327 patent/US20050245052A1/en not_active Abandoned
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006041258A (ja) * | 2004-07-28 | 2006-02-09 | Renesas Technology Corp | ゲッタリング層を有する半導体チップとその製造方法 |
JP2007149919A (ja) * | 2005-11-28 | 2007-06-14 | Renesas Technology Corp | マルチチップモジュール |
JP2009522549A (ja) * | 2005-12-30 | 2009-06-11 | マイクロン テクノロジー, インク. | 接続検査技術 |
US8590146B2 (en) | 2005-12-30 | 2013-11-26 | Micron Technology, Inc. | Connection verification technique |
US10717141B2 (en) | 2005-12-30 | 2020-07-21 | Micron Technology, Inc. | Connection verification technique |
WO2009004889A1 (ja) * | 2007-07-04 | 2009-01-08 | Shin-Etsu Handotai Co., Ltd. | 薄膜シリコンウェーハ及びその作製法 |
JP5201420B2 (ja) * | 2007-07-04 | 2013-06-05 | 信越半導体株式会社 | 多層シリコンウェーハの作製法 |
US8728870B2 (en) | 2007-07-04 | 2014-05-20 | Shin-Etsu Handotai Co., Ltd. | Thin film silicon wafer and method for manufacturing the same |
JP2009272314A (ja) * | 2008-04-30 | 2009-11-19 | Shin Etsu Handotai Co Ltd | 多層シリコン半導体ウェーハ及びその作製方法 |
JP2010283296A (ja) * | 2009-06-08 | 2010-12-16 | Sumco Corp | シリコンウェーハ及びその製造方法、並びに、半導体デバイスの製造方法 |
JP2011100996A (ja) * | 2009-10-09 | 2011-05-19 | Sumco Corp | 半導体基板内部の重金属の除去方法 |
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