JP6157100B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP6157100B2 JP6157100B2 JP2012272137A JP2012272137A JP6157100B2 JP 6157100 B2 JP6157100 B2 JP 6157100B2 JP 2012272137 A JP2012272137 A JP 2012272137A JP 2012272137 A JP2012272137 A JP 2012272137A JP 6157100 B2 JP6157100 B2 JP 6157100B2
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Description
図1は、第1の実施の形態にかかる3次元集積回路80を示す。3次元集積回路80は、パッケージ基板90の上に、4つの半導体装置100が積層されている。例として、パッケージ基板90の上に積層された半導体装置の数が4であるが、この数は、限定されることがなく、2以上の任意の値とすることができる。
例えば、クラックの1つの進行方向が方向1であるとする。方向1に向かって進行するクラックを阻止するためには、方向1と略垂直する形状を有する阻止物が効果的であると考えられる。
第2の実施の形態も、複数の半導体装置が積層されてなる3次元集積回路である。図6は、本第2の実施の形態にかかる3次元集積回路における半導体装置200を示す。
第3の実施の形態も、複数の半導体装置が積層されてなる3次元集積回路である。図7は、本第3の実施の形態にかかる3次元集積回路における半導体装置300を示す。図7に対して、半導体装置200と異なる点についてのみ説明する。
上述した各実施の形態における半導体装置は、TSVがアルミ電極まで接続された例である。本技術は、TSVがアルミ電極に接続されない半導体装置にも適用可能である。本第4の実施の形態は、このような半導体装置について説明する。
シリコン基板に最も近い低比誘電率膜(第1の低比誘電率膜)から、シリコン基板から最も遠い低比誘電率膜(第2の低比誘電率膜)までシールリングを設ければ、低比誘電率膜のクラックの発生と進行を抑制できることは、上記にて説明した。シールリングを第1の低比誘電率膜より下のコンタクト層まで、すなわち拡散層の表面まで設け、拡散層と接続することにより、シールリングを基板と同電位にすることができる。そのため、近傍の半導体素子への給電に利用することができる。図9を参照して1例を説明する。
図11に示す第6の実施の形態の半導体装置600も、拡散層までシールリングを設け、半導体素子の給電に使用する例である。半導体装置600においても、例として、半導体素子40は、N型のトランジスタであり、拡散層LDは、P+拡散層となる。
20 シリコン基板
30 アルミ電極
40 半導体素子
51 第1の低比誘電率膜
52 低比誘電率膜
53 第2の低比誘電率膜
54 絶縁膜
60 TSV
61 TSV電極
62 TSV電極パッド
80 3次元集積回路
90 パッケージ基板
100 半導体装置
110 シールリング
200 半導体装置
210 シールリング
300 半導体装置
310 シールリング
330 アルミ電極
360 TSV
361 TSV電極
362 TSV電極パッド
400 半導体装置
410 シールリング
500 半導体装置
510 シールリング
600 半導体装置
610 シールリング
LC コンタクト層
LD 拡散層
LCU1 第1の銅配線層
LCU2 第2の銅配線層
LCU3 第3の銅配線層
LCU4 第4の銅配線層
LCU5 第5の銅配線層
LV1 第1のビア層
LV2 第2のビア層
LV3 第3のビア層
LV4 第4のビア層
Claims (4)
- シリコン基板と、
前記シリコン基板を貫通するTSV(Through−Silicon Via)とを備える半導体装置であって、
前記シリコン基板に最も近い低比誘電率膜である第1の低比誘電率膜から、前記シリコン基板から最も遠い低比誘電率膜である第2の低比誘電率膜までシールリングが設けられており、
前記シールリングは、前記シリコン基板を俯瞰する方向で見たときに、前記TSVの近傍において前記TSVを囲むように形成されており、
前記シールリングは、前記第1の低比誘電率膜より下のコンタクト層まで設けられ、拡散層に接続されており、
前記シールリングは、半導体素子の電極にさらに接続されており、
前記拡散層から前記シールリングを介して前記半導体素子の電極に対して給電される、
半導体装置。 - 前記シールリングは、前記第2の低比誘電率膜よりも上の層まで設けられている、
請求項1に記載の半導体装置。 - 複数の前記TSVを備え、
前記シールリングは、前記シリコン基板を俯瞰する方向で見たときに、前記複数のTSVを囲むように形成されている、
請求項1又は2に記載の半導体装置。 - 前記シールリングは、
前記シリコン基板を俯瞰する方向で見たときに、四方形の4つの角を夫々45度にカットして得た八角形を成す、
請求項1から3のいずれか1項に記載の半導体装置。
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JP2012272137A JP6157100B2 (ja) | 2012-12-13 | 2012-12-13 | 半導体装置 |
US14/077,503 US9673153B2 (en) | 2012-12-13 | 2013-11-12 | Semiconductor device |
CN201310685194.9A CN103872047B (zh) | 2012-12-13 | 2013-12-13 | 半导体器件 |
US15/585,468 US10062655B2 (en) | 2012-12-13 | 2017-05-03 | Semiconductor device |
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JP6519785B2 (ja) * | 2015-05-11 | 2019-05-29 | 国立研究開発法人産業技術総合研究所 | 貫通電極及びその製造方法、並びに半導体装置及びその製造方法 |
CN108352321B (zh) | 2015-10-28 | 2022-09-16 | 奥林巴斯株式会社 | 半导体装置 |
CN108155155B (zh) * | 2016-12-02 | 2020-03-10 | 中芯国际集成电路制造(上海)有限公司 | 半导体结构及其形成方法 |
CN109830464A (zh) * | 2019-02-15 | 2019-05-31 | 德淮半导体有限公司 | 半导体结构及其形成方法 |
US12014997B2 (en) | 2021-07-01 | 2024-06-18 | Taiwan Semiconductor Manufacturing Co., Ltd. | Dummy stacked structures surrounding TSVs and method forming the same |
US20230187289A1 (en) * | 2021-12-14 | 2023-06-15 | Micron Technology, Inc. | Semiconductor device and method of forming the same |
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JP4502173B2 (ja) * | 2003-02-03 | 2010-07-14 | ルネサスエレクトロニクス株式会社 | 半導体装置及びその製造方法 |
JP2005142553A (ja) * | 2003-10-15 | 2005-06-02 | Toshiba Corp | 半導体装置 |
US7049701B2 (en) * | 2003-10-15 | 2006-05-23 | Kabushiki Kaisha Toshiba | Semiconductor device using insulating film of low dielectric constant as interlayer insulating film |
JP4689244B2 (ja) * | 2004-11-16 | 2011-05-25 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
US7224069B2 (en) * | 2005-07-25 | 2007-05-29 | Taiwan Semiconductor Manufacturing Company, Ltd. | Dummy structures extending from seal ring into active circuit area of integrated circuit chip |
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JP2007115988A (ja) * | 2005-10-21 | 2007-05-10 | Renesas Technology Corp | 半導体装置 |
JP5098647B2 (ja) | 2005-12-27 | 2012-12-12 | 富士通セミコンダクター株式会社 | 半導体装置とその製造方法 |
JP5329068B2 (ja) | 2007-10-22 | 2013-10-30 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP2009123734A (ja) * | 2007-11-12 | 2009-06-04 | Renesas Technology Corp | 半導体装置及びその製造方法 |
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US20100224878A1 (en) | 2009-03-05 | 2010-09-09 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
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JP2011129722A (ja) | 2009-12-17 | 2011-06-30 | Panasonic Corp | 半導体装置 |
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JP5300814B2 (ja) | 2010-10-14 | 2013-09-25 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
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CN103872047A (zh) | 2014-06-18 |
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US9673153B2 (en) | 2017-06-06 |
US20170236789A1 (en) | 2017-08-17 |
US10062655B2 (en) | 2018-08-28 |
US20140167286A1 (en) | 2014-06-19 |
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