JP6074345B2 - 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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Description
(第1の実施形態)
図1は、第1の実施形態を示す斜視図を示している。図2は、図1のII−II線に沿う断面図である。図3は、図1のIII−III線に沿う断面図である。
図4は、第2の実施形態を示す斜視図を示している。図5は、図4のV−V線に沿う断面図である。図6は、図4のVI−VI線に沿う断面図である。
図7は、第3の実施形態を示す平面図を示している。図8は、図7のVIII−VIII線に沿う断面図である。図9は、図7のIX−IX線に沿う断面図である。
図10は、第4の実施形態を示す平面図を示している。図11は、図10のXI−XI線に沿う断面図である。図12は、図10のXII−XII線に沿う断面図である。
図13は、第5の実施形態を示す平面図を示している。図14は、図13のXIV−XIV線に沿う断面図である。図15は、図13のXV−XV線に沿う断面図である。
図16は、第6の実施形態を示す平面図を示している。図17は、図16のXVII−XVII線に沿う断面図である。図18は、図16のXVIII−XVIII線に沿う断面図である。
次に、上述の第1乃至第6の実施形態における半導体装置の磁気シールド層を形成する製造方法の例を説明する。
MRAMチップ内のメモリセルアレイ領域の例を説明する。
本実施形態は、MRAMチップを備える半導体装置について説明したが、外部磁場の影響が問題となるような他の半導体チップ(例えば、CMOSセンサー、MEMSセンサー、磁気センサー等)などに上述の基本思想を適用することも可能である。
実施形態によれば、MRAMチップ内への外部磁場の進入を遮蔽することができる。
Claims (7)
- 半導体基板、前記半導体基板上に配置され、複数の磁気抵抗効果素子を備えるメモリセ ルアレイ領域、及び、パッドを具備し、且つ対向する一対の面を含むMRAMチップと、
前記MRAMチップの前記メモリセルアレイ領域を周方向で連続して囲み、前記MRAMチップの前記対向する一対の面が露出した対向する一対の第1開口部、並びに、前記パッドが露出した第2開口部を含む磁気シールド層と、
を具備する半導体装置。 - 前記磁気シールド層は、前記半導体基板の主面に垂直かつ前記周方向で平行な第1の断面で閉ループ形状を有する請求項1に記載の半導体装置。
- 前記磁気抵抗効果素子は、前記半導体基板の主面に垂直方向の磁化を有し、前記磁気抵 抗効果素子の磁化の方向は、前記第1の断面に平行である請求項2に記載の半導体装置。
- 前記磁気シールド層は、前記第1の断面に垂直な第2の断面で、前記半導体基板の主面 に平行な方向に端部を有する請求項2に記載の半導体装置。
- 前記磁気シールド層は、前記MRAMチップの外側に形成され、前記MRAMチップに 接触する請求項1に記載の半導体装置。
- 前記MRAMチップを搭載する配線基板をさらに具備し、前記磁気シールド層の一部分は、前記配線基板上に配置される請求項1に記載の半導体装置。
- 半導体基板、前記半導体基板上に配置され、複数の磁気抵抗効果素子を備えるメモリセ ルアレイ領域、及び、パッドを具備し、且つ対向する一対の面を含むMRAMチップを形成する工程と、
電解メッキ法により、前記MRAMチップ内の前記メモリセルアレイ領域を周方向で連続して囲み、前記MRAMチップの前記対向する一対の面が露出した対向する一対の第1開口部、並びに、前記パッドが露出した第2開口部を含む磁気シールド層を形成する工程と、
を具備する半導体装置の製造方法。
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JP2013197033A JP6074345B2 (ja) | 2013-09-24 | 2013-09-24 | 半導体装置及びその製造方法 |
US14/140,393 US9252108B2 (en) | 2013-09-24 | 2013-12-24 | Semiconductor device having magnetic shield layer surrounding MRAM chip |
US14/976,387 US9349942B2 (en) | 2013-09-24 | 2015-12-21 | Semiconductor device having magnetic shield layer surrounding MRAM chip |
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Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10475985B2 (en) | 2015-03-26 | 2019-11-12 | Globalfoundries Singapore Pte. Ltd. | MRAM magnetic shielding with fan-out wafer level packaging |
US10510946B2 (en) | 2015-07-23 | 2019-12-17 | Globalfoundries Singapore Pte. Ltd. | MRAM chip magnetic shielding |
WO2016174509A1 (en) * | 2015-04-27 | 2016-11-03 | Kabushiki Kaisha Toshiba | Magnetic memory device |
KR102354370B1 (ko) * | 2015-04-29 | 2022-01-21 | 삼성전자주식회사 | 쉴딩 구조물을 포함하는 자기 저항 칩 패키지 |
US10096768B2 (en) | 2015-05-26 | 2018-10-09 | Globalfoundries Singapore Pte. Ltd. | Magnetic shielding for MTJ device or bit |
US9786839B2 (en) * | 2015-07-23 | 2017-10-10 | Globalfoundries Singapore Pte. Ltd. | 3D MRAM with through silicon vias or through silicon trenches magnetic shielding |
WO2017025815A1 (en) * | 2015-08-11 | 2017-02-16 | Kabushiki Kaisha Toshiba | Magnetic shield tray, magnetic shield wrapper and magnetic memory product shielded from external magnetic field |
KR102444235B1 (ko) * | 2015-08-13 | 2022-09-16 | 삼성전자주식회사 | 자기 쉴딩층을 구비한 mram 소자와 반도체 패키지, 및 그들의 제조방법 |
KR102437673B1 (ko) | 2015-09-09 | 2022-08-26 | 삼성전자주식회사 | 반도체 장치 |
US10145906B2 (en) | 2015-12-17 | 2018-12-04 | Analog Devices Global | Devices, systems and methods including magnetic structures |
KR20180032985A (ko) | 2016-09-23 | 2018-04-02 | 삼성전자주식회사 | 집적회로 패키지 및 그 제조 방법과 집적회로 패키지를 포함하는 웨어러블 디바이스 |
CN107978531A (zh) * | 2016-10-25 | 2018-05-01 | 上海磁宇信息科技有限公司 | 磁存储芯片封装的磁屏蔽方法 |
US11139341B2 (en) | 2018-06-18 | 2021-10-05 | Taiwan Semiconductor Manufacturing Company, Ltd. | Protection of MRAM from external magnetic field using magnetic-field-shielding structure |
US11088083B2 (en) | 2018-06-29 | 2021-08-10 | Taiwan Semiconductor Manufacturing Company, Ltd. | DC and AC magnetic field protection for MRAM device using magnetic-field-shielding structure |
US10818609B2 (en) * | 2018-07-13 | 2020-10-27 | Taiwan Semiconductor Manufacturing Company Ltd. | Package structure and method for fabricating the same |
JP2020092114A (ja) * | 2018-12-03 | 2020-06-11 | ソニーセミコンダクタソリューションズ株式会社 | 半導体装置および撮像装置 |
US10998489B2 (en) | 2019-01-14 | 2021-05-04 | Nxp B.V. | Magnetic shielding structure for MRAM array |
US11276649B2 (en) * | 2019-06-28 | 2022-03-15 | Taiwan Semiconductor Manufacturing Co., Ltd. | Devices and methods having magnetic shielding layer |
CN115642148B (zh) * | 2022-12-22 | 2024-04-12 | 北京智芯微电子科技有限公司 | 磁屏蔽装置、磁屏蔽装置的制备方法以及mram芯片 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60198788A (ja) | 1984-03-22 | 1985-10-08 | Agency Of Ind Science & Technol | ジヨセフソン集積回路の構造 |
JPH0574771A (ja) | 1991-09-17 | 1993-03-26 | Nec Corp | 集積回路 |
JPH06267962A (ja) | 1993-03-17 | 1994-09-22 | Hitachi Ltd | 半導体集積回路装置 |
JP4818519B2 (ja) * | 2001-02-06 | 2011-11-16 | ルネサスエレクトロニクス株式会社 | 磁気記憶装置 |
JP4041660B2 (ja) | 2001-05-31 | 2008-01-30 | ユーディナデバイス株式会社 | 半導体装置及びその製造方法 |
JP2003115578A (ja) * | 2001-10-05 | 2003-04-18 | Canon Inc | 不揮発固体磁気メモリ装置、該不揮発固体磁気メモリ装置の製造方法およびマルチ・チップ・パッケージ |
JP2003338644A (ja) * | 2001-11-19 | 2003-11-28 | Alps Electric Co Ltd | 磁気検出素子及びその製造方法 |
US7023670B2 (en) * | 2001-11-19 | 2006-04-04 | Alps Electric Co., Ltd. | Magnetic sensing element with in-stack biasing using ferromagnetic sublayers |
JP2004064016A (ja) | 2002-07-31 | 2004-02-26 | Hitachi Maxell Ltd | 半導体チップ |
ES2400240T3 (es) * | 2002-12-18 | 2013-04-08 | Crocus Technology, Inc. | Envoltura y enfoque para circuitos integrados resistente a la manipulación |
US7009818B1 (en) | 2002-12-30 | 2006-03-07 | Storage Technology Corporation | Thin film magnetic head having improved thermal characteristics, and method of manufacturing |
JP4742502B2 (ja) | 2004-02-23 | 2011-08-10 | ソニー株式会社 | 磁気シールド体、磁気シールド構造及び磁気メモリ装置 |
US20060289970A1 (en) * | 2005-06-28 | 2006-12-28 | Dietmar Gogl | Magnetic shielding of MRAM chips |
WO2007040167A1 (ja) * | 2005-10-03 | 2007-04-12 | Nec Corporation | 磁気ランダムアクセスメモリ |
TWI339432B (en) | 2007-08-13 | 2011-03-21 | Ind Tech Res Inst | Magnetic shielding package structure of a magnetic memory device |
JP5343261B2 (ja) | 2008-11-18 | 2013-11-13 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
JP5425461B2 (ja) | 2008-12-26 | 2014-02-26 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
JPWO2011046091A1 (ja) * | 2009-10-13 | 2013-03-07 | 日本電気株式会社 | 磁性体装置 |
JP5471364B2 (ja) | 2009-11-27 | 2014-04-16 | 日本電気株式会社 | 半導体パッケージ |
US9086444B2 (en) | 2009-12-28 | 2015-07-21 | Tdk Corporation | Magnetic field detection device and current sensor |
JP2012109307A (ja) * | 2010-11-15 | 2012-06-07 | Renesas Electronics Corp | 半導体装置及び半導体装置の製造方法 |
US8466539B2 (en) | 2011-02-23 | 2013-06-18 | Freescale Semiconductor Inc. | MRAM device and method of assembling same |
JP5829562B2 (ja) * | 2012-03-28 | 2015-12-09 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
US9147833B2 (en) | 2013-07-05 | 2015-09-29 | Headway Technologies, Inc. | Hybridized oxide capping layer for perpendicular magnetic anisotropy |
JP6010005B2 (ja) * | 2013-09-09 | 2016-10-19 | 株式会社東芝 | 半導体装置及びその製造方法 |
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