JP6740129B2 - 技術スケーリングのためのmram統合技法 - Google Patents
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- H—ELECTRICITY
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- G—PHYSICS
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- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
- G11C11/161—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect details concerning the memory cell structure, e.g. the layers of the ferromagnetic memory cell
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- G—PHYSICS
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- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
- G11C11/165—Auxiliary circuits
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- H—ELECTRICITY
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- H10B—ELECTRONIC MEMORY DEVICES
- H10B61/00—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
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Description
したがって、例示的な実施形態は、論理側におけるビアおよび金属線の高さにおけるスケーリングに一致するMTJ側の要素の設計の改良を含む。いくつかの場合には、上部キャップ層および下部キャップ層の数に対応するパラメータ、キャップ層の位置決めおよび厚さ、下部電極BEの位置決めおよび厚さ、MTJ上部電極TE、ならびに/またはハードマスク(HM)などは、以下でさらに説明するように、技術的進歩の要求に合うように適切に設計することができる。いくつかの実施形態では、共通のIMD層における1つまたは複数の論理素子は、共通のIMD層において形成されたビアおよび金属線の結合された高さが、例示的なMTJおよび下部電極コンタクトの結合された高さに一致するように形成される。
101 トランジスタ
102 ビット線
103 ワード線
104 ソース線
105 磁気トンネル接合(MTJ)記憶素子
106 読取り/書込み回路
107 ビット線基準
108 センス増幅器
120 フリー層
122 絶縁トンネルバリア層
124 ピン止め層
200 メモリデバイス
202 ビットセルMTJ
204 上部電極(TE)
206 下部電極(BE)
400 メモリデバイス
402 MTJ
402b バリア層
402c ピン止め層
402f フリー層
402pAb 拡張されたピン止め層
402pAc 拡張されたピン止め層
404 TE
406 BE
408 サイドキャップ
410 ハードマスクHM
412 BEコンタクト
414Ab 保護サイドキャップ
414Ac 保護サイドキャップ
600 メモリデバイス
602 MTJ
604 BE
606 BE
608 サイドキャップ
610 HM
612 BEコンタクト
Claims (13)
- 磁気抵抗ランダムアクセスメモリ(MRAM)であって、
1つまたは複数の論理素子を有する共通の金属層間誘電体(IMD)層において形成された磁気トンネル接合(MTJ)であって、前記MTJはハードマスクを含み、前記ハードマスクは上部電極に直接接続されている、磁気トンネル接合(MTJ)を含み、
前記MTJが下部IMD層における下部金属線に接続され、上部ビアが上部IMD層に接続され、前記MTJは前記上部電極を介して直接上部ビアに接続されており、
前記MTJは、前記共通のIMD層と前記下部IMD層を分離するように構成された1つまたは複数の下部キャップ層であって、少なくとも1つの下部キャップ層が前記共通のIMD層に当接し、少なくとも1つの下部キャップ層が前記下部IMD層に当接する、1つまたは複数の下部キャップ層と、前記共通のIMD層と前記上部IMD層を分離するように構成された1つまたは複数の上部キャップ層との間に延在し、
前記上部電極が、前記1つまたは複数の上部キャップ層に当接し、
前記上部電極が、前記MTJと前記上部キャップ層とを分離するように、前記MTJと前記上部キャップ層との間に介在する、
磁気抵抗ランダムアクセスメモリ(MRAM)。 - 前記MTJがフリー層と、バリア層と、ピン止め層とをさらに含む、請求項1に記載のMRAM。
- 前記共通のIMD層と前記下部IMD層を分離するように構成された2つの下部キャップ層を含み、前記MTJの下部電極が、下部電極コンタクトを介して前記下部金属線に接続され、前記下部電極コンタクトが、前記2つの下部キャップ層のうちの1つのみを通って延在する、請求項1に記載のMRAM。
- 前記共通のIMD層と前記下部IMD層を分離するように構成された2つの下部キャップ層を含み、前記MTJの下部電極が、下部電極コンタクトを介して前記下部金属線に接続され、前記下部電極コンタクトが、前記2つの下部キャップ層の両方を通って延在する、請求項1に記載のMRAM。
- 前記共通のIMD層と前記下部IMD層を分離するように構成された2つの下部キャップ層を含み、前記MTJの下部電極が、下部電極コンタクトを介して前記下部金属線に接続され、前記下部電極コンタクトが、前記2つの下部キャップ層のうちの1つのみを通って延在する、請求項1に記載のMRAM。
- 前記論理素子が、前記共通のIMD層において形成されたビアおよび金属線のうちの1つまたは複数を含む、請求項1に記載のMRAM。
- 前記MTJを囲むように構成された保護サイドキャップをさらに含む、請求項1に記載のMRAM。
- 1つまたは複数の論理素子を含む共通の金属層間誘電体(IMD)層において磁気トンネル接合(MTJ)を形成する方法であって、
下部IMD層において下部金属線を形成するステップと、
前記共通のIMD層と前記下部IMD層を分離する1つまたは複数の下部キャップ層を形成するステップであって、少なくとも1つの下部キャップ層が前記下部IMD層に当接し、少なくとも1つの下部キャップ層が前記共通のIMD層に当接する、ステップと、
前記下部金属線に結合された下部電極コンタクトを形成するステップと、
前記下部電極コンタクト上に前記MTJを形成するステップであって、ハードマスクを形成することを含む、前記MTJを形成するステップと、
前記ハードマスクの上部に上部電極を形成するステップと、
前記共通のIMD層と上部IMD層を分離する1つまたは複数の上部キャップ層を形成するステップと、
前記1つまたは複数の上部キャップ層において上部ビアを形成するステップであって、前記上部ビアが前記上部電極を介して直接に前記MTJに接続されており、前記MTJが、前記1つまたは複数の下部キャップ層と前記1つまたは複数の上部キャップ層との間に延在し、前記上部電極が前記1つまたは複数の上部キャップ層に当接する、ステップと
を含み、
前記上部電極が、前記MTJと前記上部キャップ層とを分離するように、前記MTJと前記上部キャップ層との間に介在する、
方法。 - 前記MTJを形成するステップが、前記下部電極コンタクト上に下部電極を形成するステップと、前記下部電極の上部にピン止め層、バリア層、およびフリー層を形成するステップとを含む、請求項8に記載の方法。
- 第1のマスクにより前記下部電極コンタクトを形成し、第2のマスクにより前記MTJを形成するステップを含む、請求項8に記載の方法。
- 前記下部キャップ層のうちの1つにおいてエッチングされたパターンにおいて前記下部電極コンタクトを形成するステップを含む、請求項8に記載の方法。
- 前記共通のIMD層において前記1つまたは複数の論理要素を形成するステップが、前記共通のIMD層においてビアおよび金属線を形成するステップを含み、前記ビアおよび前記金属線の結合された高さが、前記MTJおよび前記下部電極コンタクトの結合された高さに一致するようにする、請求項8に記載の方法。
- 前記MTJを囲む保護サイドキャップを形成するステップをさらに含む、請求項8に記載の方法。
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US14/109,200 | 2013-12-17 | ||
US14/109,200 US9406875B2 (en) | 2013-12-17 | 2013-12-17 | MRAM integration techniques for technology scaling |
PCT/US2014/070035 WO2015094974A1 (en) | 2013-12-17 | 2014-12-12 | Mram integration techniques for technology scaling |
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JP2016541123A5 JP2016541123A5 (ja) | 2018-01-11 |
JP6740129B2 true JP6740129B2 (ja) | 2020-08-12 |
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EP (1) | EP3084766B1 (ja) |
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Families Citing this family (68)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9257636B2 (en) | 2013-09-11 | 2016-02-09 | Taiwan Semiconductor Manufacturing Co., Ltd. | Perpendicular magnetic random-access memory (MRAM) formation by direct self-assembly method |
US9882118B2 (en) * | 2013-10-31 | 2018-01-30 | Japan Science And Technology Agency | Spin control mechanism and spin device |
WO2015147855A1 (en) * | 2014-03-28 | 2015-10-01 | Intel Corporation | Techniques for forming spin-transfer torque memory having a dot-contacted free magnetic layer |
US10003014B2 (en) * | 2014-06-20 | 2018-06-19 | International Business Machines Corporation | Method of forming an on-pitch self-aligned hard mask for contact to a tunnel junction using ion beam etching |
US9437811B2 (en) * | 2014-12-05 | 2016-09-06 | Shanghai Ciyu Information Technologies Co., Ltd. | Method for making a magnetic random access memory element with small dimension and high quality |
US9559294B2 (en) * | 2015-01-29 | 2017-01-31 | Taiwan Semiconductor Manufacturing Co., Ltd. | Self-aligned magnetoresistive random-access memory (MRAM) structure for process damage minimization |
US9865798B2 (en) | 2015-02-24 | 2018-01-09 | Qualcomm Incorporated | Electrode structure for resistive memory device |
US10008662B2 (en) | 2015-03-12 | 2018-06-26 | Taiwan Semiconductor Manufacturing Co., Ltd. | Perpendicular magnetic tunneling junction (MTJ) for improved magnetoresistive random-access memory (MRAM) process |
US9847473B2 (en) * | 2015-04-16 | 2017-12-19 | Taiwan Semiconductor Manufacturing Co., Ltd. | MRAM structure for process damage minimization |
US9806254B2 (en) * | 2015-06-15 | 2017-10-31 | Taiwan Semiconductor Manufacturing Co., Ltd. | Storage device with composite spacer and method for manufacturing the same |
US9685604B2 (en) * | 2015-08-31 | 2017-06-20 | Taiwan Semiconductor Manufacturing Company, Ltd. | Magnetoresistive random access memory cell and fabricating the same |
US20170062520A1 (en) * | 2015-09-01 | 2017-03-02 | Kabushiki Kaisha Toshiba | Magnetoresistive memory device and manufacturing method of the same |
KR102406722B1 (ko) * | 2015-09-25 | 2022-06-09 | 삼성전자주식회사 | 자기 메모리 장치 및 그 제조 방법 |
US9660179B1 (en) * | 2015-12-16 | 2017-05-23 | International Business Machines Corporation | Enhanced coercivity in MTJ devices by contact depth control |
US10454021B2 (en) | 2016-01-29 | 2019-10-22 | Taiwan Semiconductor Manufacturing Company Ltd. | Semiconductor structure and method of manufacturing the same |
JP2017157662A (ja) * | 2016-03-01 | 2017-09-07 | ソニー株式会社 | 磁気抵抗素子及び電子デバイス |
WO2017155507A1 (en) * | 2016-03-07 | 2017-09-14 | Intel Corporation | Approaches for embedding spin hall mtj devices into a logic processor and the resulting structures |
US20190013353A1 (en) * | 2016-03-07 | 2019-01-10 | Intel Corporation | Approaches for integrating stt-mram memory arrays into a logic processor and the resulting structures |
WO2017160311A1 (en) * | 2016-03-18 | 2017-09-21 | Intel Corporation | Damascene-based approaches for embedding spin hall mtj devices into a logic processor and the resulting structures |
WO2017171840A1 (en) * | 2016-04-01 | 2017-10-05 | Intel Corporation | Techniques for forming logic including integrated spin-transfer torque magnetoresistive random-access memory |
US10032828B2 (en) | 2016-07-01 | 2018-07-24 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor memory device and method for fabricating the same |
US9893278B1 (en) | 2016-08-08 | 2018-02-13 | Taiwan Semiconductor Manufacturing Co., Ltd. | Embedded memory device between noncontigous interconnect metal layers |
US10283698B2 (en) | 2017-01-10 | 2019-05-07 | Samsung Electronics Co., Ltd. | Semiconductor devices and methods of fabricating the same |
KR102621752B1 (ko) * | 2017-01-13 | 2024-01-05 | 삼성전자주식회사 | Mram을 포함한 씨모스 이미지 센서 |
KR102613512B1 (ko) * | 2017-01-19 | 2023-12-13 | 삼성전자주식회사 | 반도체 장치 및 이를 포함하는 전자 시스템 |
US9997562B1 (en) * | 2017-03-14 | 2018-06-12 | Globalfoundries Singapore Pte. Ltd. | Mram memory device and manufacturing method thereof |
US10510802B2 (en) * | 2017-04-13 | 2019-12-17 | Taiwan Semiconductor Manufacturing Company Ltd. | Semiconductor device and method of manufacturing the same |
CN108878471B (zh) * | 2017-05-09 | 2021-10-01 | 中电海康集团有限公司 | 集成电路及其制备方法 |
CN109256405B (zh) * | 2017-07-14 | 2021-01-22 | 中电海康集团有限公司 | Mram阵列与其的制作方法 |
CN109560103B (zh) * | 2017-09-27 | 2020-11-13 | 中电海康集团有限公司 | 磁阻式随机存储器及其制备方法 |
US10727272B2 (en) * | 2017-11-24 | 2020-07-28 | Taiwan Semiconductor Manufacturing Company Ltd. | Semiconductor structure and manufacturing method of the same |
US10741417B2 (en) * | 2017-11-30 | 2020-08-11 | Taiwan Semiconductor Manufacturing Co., Ltd. | Method for forming interconnect structure |
US10644231B2 (en) * | 2017-11-30 | 2020-05-05 | Taiwan Semiconductor Manufacturing Co., Ltd. | Memory device and fabrication method thereof |
US10374005B2 (en) | 2017-12-29 | 2019-08-06 | Globalfoundries Singapore Pte. Ltd. | Density-controllable dummy fill strategy for near-MRAM periphery and far-outside-MRAM logic regions for embedded MRAM technology and method for producing the same |
US10483461B2 (en) | 2018-04-19 | 2019-11-19 | Globalfoundries Singapore Pte. Ltd. | Embedded MRAM in interconnects and method for producing the same |
US10529913B1 (en) * | 2018-06-28 | 2020-01-07 | Taiwan Semiconductor Manufacturing Co., Ltd. | Techniques for MRAM MTJ top electrode connection |
US10734572B2 (en) | 2018-07-18 | 2020-08-04 | Globalfoundries Singapore Pte. Ltd. | Device with capping layer for improved residue defect and method of production thereof |
CN111146332B (zh) * | 2018-11-05 | 2023-06-16 | 联华电子股份有限公司 | 半导体装置以及其制作方法 |
KR102518015B1 (ko) | 2019-01-31 | 2023-04-05 | 삼성전자주식회사 | 자기 저항 메모리 소자 및 그 제조 방법 |
US11164779B2 (en) | 2019-04-12 | 2021-11-02 | International Business Machines Corporation | Bamboo tall via interconnect structures |
US10833257B1 (en) | 2019-05-02 | 2020-11-10 | International Business Machines Corporation | Formation of embedded magnetic random-access memory devices with multi-level bottom electrode via contacts |
TWI801609B (zh) * | 2019-06-19 | 2023-05-11 | 聯華電子股份有限公司 | 磁阻式隨機存取記憶體結構及其製作方法 |
TWI814864B (zh) | 2019-07-12 | 2023-09-11 | 聯華電子股份有限公司 | 磁穿隧接面裝置 |
US11282788B2 (en) | 2019-07-25 | 2022-03-22 | International Business Machines Corporation | Interconnect and memory structures formed in the BEOL |
US11515205B2 (en) | 2019-08-30 | 2022-11-29 | Globalfoundries U.S. Inc. | Conductive structures for contacting a top electrode of an embedded memory device and methods of making such contact structures on an IC product |
CN112466901A (zh) * | 2019-09-06 | 2021-03-09 | 联华电子股份有限公司 | 半导体元件及其制作方法 |
US11195751B2 (en) | 2019-09-13 | 2021-12-07 | International Business Machines Corporation | Bilayer barrier for interconnect and memory structures formed in the BEOL |
US11195993B2 (en) * | 2019-09-16 | 2021-12-07 | International Business Machines Corporation | Encapsulation topography-assisted self-aligned MRAM top contact |
US11462583B2 (en) | 2019-11-04 | 2022-10-04 | International Business Machines Corporation | Embedding magneto-resistive random-access memory devices between metal levels |
US11444030B2 (en) | 2019-11-22 | 2022-09-13 | Globalfoundries Singapore Pte. Ltd. | Semiconductor device and method of forming the same |
US11114153B2 (en) | 2019-12-30 | 2021-09-07 | Taiwan Semiconductor Manufacturing Co., Ltd. | SRAM devices with reduced coupling capacitance |
US11302639B2 (en) | 2020-01-16 | 2022-04-12 | International Business Machines Corporation | Footing flare pedestal structure |
US11251360B2 (en) | 2020-02-06 | 2022-02-15 | International Business Machines Corporation | MTJ capping layer structure for improved write error rate slopes and thermal stability |
KR20210117395A (ko) | 2020-03-18 | 2021-09-29 | 삼성전자주식회사 | 반도체 소자 및 그의 제조 방법 |
US11502242B2 (en) | 2020-03-24 | 2022-11-15 | International Business Machines Corporation | Embedded memory devices |
US11437568B2 (en) | 2020-03-31 | 2022-09-06 | Globalfoundries U.S. Inc. | Memory device and methods of making such a memory device |
US11785860B2 (en) | 2020-04-13 | 2023-10-10 | Globalfoundries U.S. Inc. | Top electrode for a memory device and methods of making such a memory device |
US11569437B2 (en) | 2020-04-22 | 2023-01-31 | Globalfoundries U.S. Inc. | Memory device comprising a top via electrode and methods of making such a memory device |
US11361987B2 (en) | 2020-05-14 | 2022-06-14 | International Business Machines Corporation | Forming decoupled interconnects |
US11594675B2 (en) * | 2020-06-04 | 2023-02-28 | Globalfoundries Singapore Pte. Ltd. | Magnetic tunnel junction structure and integration schemes |
US11522131B2 (en) | 2020-07-31 | 2022-12-06 | Globalfoundries Singapore Pte Ltd | Resistive memory device and methods of making such a resistive memory device |
US11682616B2 (en) * | 2020-08-31 | 2023-06-20 | Taiwan Semiconductor Manufacturing Company Ltd. | Semiconductor structure and method for forming the same |
US11545486B2 (en) | 2020-10-02 | 2023-01-03 | Globalfoundries Singapore Pte. Ltd. | Integrated thin film resistor and metal-insulator-metal capacitor |
CN114335331A (zh) * | 2020-10-12 | 2022-04-12 | 联华电子股份有限公司 | 半导体元件及其制作方法 |
US11742283B2 (en) | 2020-12-31 | 2023-08-29 | Globalfoundries Singapore Pte. Ltd. | Integrated thin film resistor and memory device |
US12058942B2 (en) | 2021-10-28 | 2024-08-06 | International Business Machines Corporation | MRAM cell embedded in a metal layer |
US20230189657A1 (en) * | 2021-12-09 | 2023-06-15 | Taiwan Semiconductor Manufacturing Co., Ltd. | Magnetic Tunnel Junction Device and Method of Forming the Same |
US20240188446A1 (en) * | 2022-12-05 | 2024-06-06 | International Business Machines Corporation | Mram device with wrap-around top electrode |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6680500B1 (en) | 2002-07-31 | 2004-01-20 | Infineon Technologies Ag | Insulating cap layer and conductive cap layer for semiconductor devices with magnetic material layers |
JP5243746B2 (ja) | 2007-08-07 | 2013-07-24 | ルネサスエレクトロニクス株式会社 | 磁気記憶装置の製造方法および磁気記憶装置 |
US7781231B2 (en) | 2008-03-07 | 2010-08-24 | Qualcomm Incorporated | Method of forming a magnetic tunnel junction device |
US8455267B2 (en) | 2009-05-14 | 2013-06-04 | Qualcomm Incorporated | Magnetic tunnel junction device and fabrication |
US8492858B2 (en) | 2009-08-27 | 2013-07-23 | Qualcomm Incorporated | Magnetic tunnel junction device and fabrication |
US9385308B2 (en) * | 2010-03-26 | 2016-07-05 | Qualcomm Incorporated | Perpendicular magnetic tunnel junction structure |
US8674465B2 (en) * | 2010-08-05 | 2014-03-18 | Qualcomm Incorporated | MRAM device and integration techniques compatible with logic integration |
JP5551129B2 (ja) * | 2011-09-07 | 2014-07-16 | 株式会社東芝 | 記憶装置 |
US8866242B2 (en) | 2011-11-10 | 2014-10-21 | Qualcomm Incorporated | MTJ structure and integration scheme |
JP2013143548A (ja) * | 2012-01-12 | 2013-07-22 | Toshiba Corp | 磁気メモリの製造方法 |
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US9406875B2 (en) | 2016-08-02 |
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US20150171314A1 (en) | 2015-06-18 |
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EP3084766B1 (en) | 2018-08-29 |
EP3084766A1 (en) | 2016-10-26 |
CN105830161A (zh) | 2016-08-03 |
WO2015094974A1 (en) | 2015-06-25 |
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