JP2011023476A - 磁気記憶装置 - Google Patents
磁気記憶装置 Download PDFInfo
- Publication number
- JP2011023476A JP2011023476A JP2009165933A JP2009165933A JP2011023476A JP 2011023476 A JP2011023476 A JP 2011023476A JP 2009165933 A JP2009165933 A JP 2009165933A JP 2009165933 A JP2009165933 A JP 2009165933A JP 2011023476 A JP2011023476 A JP 2011023476A
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- Prior art keywords
- bit line
- memory device
- magnetic memory
- active area
- mtj element
- Prior art date
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 48
- 239000004065 semiconductor Substances 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 13
- 238000002955 isolation Methods 0.000 description 13
- 239000010410 layer Substances 0.000 description 12
- 239000011229 interlayer Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000005294 ferromagnetic effect Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000012212 insulator Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009751 slip forming Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- 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
- G11C11/1653—Address circuits or decoders
- G11C11/1657—Word-line or row circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- 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
- G11C11/1659—Cell access
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/0203—Particular design considerations for integrated circuits
- H01L27/0207—Geometrical layout of the components, e.g. computer aided design; custom LSI, semi-custom LSI, standard cell technique
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B61/00—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
- H10B61/20—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors
- H10B61/22—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors of the field-effect transistor [FET] type
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Hall/Mr Elements (AREA)
- Mram Or Spin Memory Techniques (AREA)
Abstract
【解決手段】第1方向に形成されたアクティブエリア11と、アクティブエリア11上に形成され、抵抗値の変化によってデータを記憶するMTJ素子12と、MTJ素子12の両側のアクティブエリア11上に、第1方向と直交する第2方向に形成されたセルトランジスタT1,T2のゲート電極(ワード線WL)とを備える。さらに、ゲート電極のMTJ素子12と反対側のアクティブエリア11上に形成されたビット線コンタクト13と、MTJ素子12に接続され、第1方向に形成されたビット線BLと、ビット線コンタクト13に接続され、第1方向に形成されたビット線bBLとを備える。MTJ素子12とビット線コンタクト13がゲート電極を間に挟んで交互に配置されている。
【選択図】図1
Description
まず、本発明の第1実施形態の磁気記憶装置について説明する。
次に、本発明の第2実施形態の磁気記憶装置について説明する。
Claims (5)
- 半導体基板上の第1方向に形成されたアクティブエリアと、
前記アクティブエリア上に形成され、抵抗値の変化によってデータを記憶する磁気抵抗効果素子と、
前記磁気抵抗効果素子の両側の前記アクティブエリア上に、前記第1方向と直交する第2方向に形成されたセルトランジスタのゲート電極と、
前記セルトランジスタのゲート電極の前記磁気抵抗効果素子と反対側の前記アクティブエリア上に形成されたビット線コンタクトと、
前記磁気抵抗効果素子に接続され、前記第1方向に形成された第1ビット線と、
前記ビット線コンタクトに接続され、前記第1方向に形成された第2ビット線とを具備し、
前記磁気抵抗効果素子と前記ビット線コンタクトが、前記ゲート電極を間に挟んで交互に配置されていることを特徴とする磁気記憶装置。 - 前記アクティブエリア、前記第1ビット線、及び前記第2ビット線の少なくとも1つが曲線形状を有することを特徴とする請求項1に記載の磁気記憶装置。
- 前記セルトランジスタの前記ゲート電極及びゲート電極間距離が最小加工寸法で形成されていることを特徴とする請求項1または2に記載の磁気記憶装置。
- 前記第1ビット線と前記第2ビット線は前記半導体基板から異なる高さに形成されていることを特徴とする請求項1乃至3のいずれかに記載の磁気記憶装置。
- 前記第1ビット線と前記第2ビット線とが前記第1、第2ビット線の上方から見て交差していることを特徴とする請求項4に記載の磁気記憶装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009165933A JP2011023476A (ja) | 2009-07-14 | 2009-07-14 | 磁気記憶装置 |
US12/719,729 US8587042B2 (en) | 2009-07-14 | 2010-03-08 | Magnetoresistive random access memory device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009165933A JP2011023476A (ja) | 2009-07-14 | 2009-07-14 | 磁気記憶装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2011023476A true JP2011023476A (ja) | 2011-02-03 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009165933A Pending JP2011023476A (ja) | 2009-07-14 | 2009-07-14 | 磁気記憶装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8587042B2 (ja) |
JP (1) | JP2011023476A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014511540A (ja) * | 2011-02-25 | 2014-05-15 | クアルコム,インコーポレイテッド | 構成可能なメモリアレイ |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014011230A (ja) * | 2012-06-28 | 2014-01-20 | Toshiba Corp | 半導体記憶装置およびその製造方法 |
US9035402B2 (en) | 2013-03-22 | 2015-05-19 | Yoshiaki Asao | Semiconductor memory device |
KR102249876B1 (ko) * | 2014-03-28 | 2021-05-11 | 인텔 코포레이션 | 6f2 비휘발성 메모리 비트셀 |
US10727271B2 (en) | 2017-01-05 | 2020-07-28 | Micron Trechnology, Inc. | Memory device having source contacts located at intersections of linear portions of a common source, electronic systems, and associated methods |
US10014345B1 (en) * | 2017-01-05 | 2018-07-03 | Micron Technology, Inc. | Magnetic memory device with grid-shaped common source plate, system, and method of fabrication |
US10453895B2 (en) * | 2017-01-05 | 2019-10-22 | Micron Technology, Inc. | Magnetic memory device with a common source having an array of openings, system, and method of fabrication |
US9941331B1 (en) * | 2017-01-25 | 2018-04-10 | Sandisk Technologies Llc | Device with sub-minimum pitch and method of making |
US11133044B2 (en) * | 2018-06-01 | 2021-09-28 | Taiwan Semiconductor Manufacturing Company, Ltd. | Interleaved routing for MRAM cell selection |
CN111048130B (zh) * | 2018-10-12 | 2022-03-04 | 中电海康集团有限公司 | 磁性随机存储器 |
US20210313395A1 (en) * | 2020-04-03 | 2021-10-07 | Nanya Technology Corporation | Semiconductor device with embedded magnetic storage structure and method for fabricating the same |
KR20230050126A (ko) * | 2021-10-07 | 2023-04-14 | 삼성전자주식회사 | 가변 저항 메모리 소자 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007300079A (ja) * | 2006-05-04 | 2007-11-15 | Hitachi Ltd | 磁気メモリ素子 |
JP2007317795A (ja) * | 2006-05-24 | 2007-12-06 | Toshiba Corp | 半導体メモリ |
JP2008091703A (ja) * | 2006-10-03 | 2008-04-17 | Toshiba Corp | 半導体記憶装置 |
JP2008123641A (ja) * | 2006-11-15 | 2008-05-29 | Renesas Technology Corp | 不揮発性半導体記憶装置 |
JP2008130995A (ja) * | 2006-11-24 | 2008-06-05 | Toshiba Corp | 半導体記憶装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002353418A (ja) | 2001-05-30 | 2002-12-06 | Sony Corp | 磁気抵抗効果素子および磁気メモリ装置 |
JP2008159613A (ja) * | 2006-12-20 | 2008-07-10 | Toshiba Corp | 磁気ランダムアクセスメモリ及びその書き込み方法 |
JP2009253036A (ja) * | 2008-04-07 | 2009-10-29 | Toshiba Corp | 半導体メモリ |
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2009
- 2009-07-14 JP JP2009165933A patent/JP2011023476A/ja active Pending
-
2010
- 2010-03-08 US US12/719,729 patent/US8587042B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007300079A (ja) * | 2006-05-04 | 2007-11-15 | Hitachi Ltd | 磁気メモリ素子 |
JP2007317795A (ja) * | 2006-05-24 | 2007-12-06 | Toshiba Corp | 半導体メモリ |
JP2008091703A (ja) * | 2006-10-03 | 2008-04-17 | Toshiba Corp | 半導体記憶装置 |
JP2008123641A (ja) * | 2006-11-15 | 2008-05-29 | Renesas Technology Corp | 不揮発性半導体記憶装置 |
JP2008130995A (ja) * | 2006-11-24 | 2008-06-05 | Toshiba Corp | 半導体記憶装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014511540A (ja) * | 2011-02-25 | 2014-05-15 | クアルコム,インコーポレイテッド | 構成可能なメモリアレイ |
Also Published As
Publication number | Publication date |
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US8587042B2 (en) | 2013-11-19 |
US20110012179A1 (en) | 2011-01-20 |
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