CN1527320A - 掩埋磁隧道结存储器单元和方法 - Google Patents
掩埋磁隧道结存储器单元和方法 Download PDFInfo
- Publication number
- CN1527320A CN1527320A CNA2003101201264A CN200310120126A CN1527320A CN 1527320 A CN1527320 A CN 1527320A CN A2003101201264 A CNA2003101201264 A CN A2003101201264A CN 200310120126 A CN200310120126 A CN 200310120126A CN 1527320 A CN1527320 A CN 1527320A
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- China
- Prior art keywords
- tunnel junction
- layer
- metallic conductor
- ferromagnetic
- deposit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 38
- 210000000352 storage cell Anatomy 0.000 title 1
- 239000010410 layer Substances 0.000 claims abstract description 162
- 239000004020 conductor Substances 0.000 claims abstract description 101
- 230000015654 memory Effects 0.000 claims abstract description 83
- 239000002184 metal Substances 0.000 claims abstract description 49
- 239000000758 substrate Substances 0.000 claims abstract description 38
- 239000011229 interlayer Substances 0.000 claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 230000005294 ferromagnetic effect Effects 0.000 claims description 73
- 238000003860 storage Methods 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 16
- 239000000696 magnetic material Substances 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 238000004377 microelectronic Methods 0.000 claims description 2
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 230000002194 synthesizing effect Effects 0.000 claims 2
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims 1
- YTAHJIFKAKIKAV-XNMGPUDCSA-N [(1R)-3-morpholin-4-yl-1-phenylpropyl] N-[(3S)-2-oxo-5-phenyl-1,3-dihydro-1,4-benzodiazepin-3-yl]carbamate Chemical compound O=C1[C@H](N=C(C2=C(N1)C=CC=C2)C1=CC=CC=C1)NC(O[C@H](CCN1CCOCC1)C1=CC=CC=C1)=O YTAHJIFKAKIKAV-XNMGPUDCSA-N 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000005055 memory storage Effects 0.000 claims 1
- 239000003302 ferromagnetic material Substances 0.000 description 11
- 230000005290 antiferromagnetic effect Effects 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 230000005415 magnetization Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000012804 iterative process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Images
Classifications
-
- 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
- H10B61/10—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having two electrodes, e.g. diodes or MIM elements
Landscapes
- Hall/Mr Elements (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/382,673 US6818549B2 (en) | 2003-03-05 | 2003-03-05 | Buried magnetic tunnel-junction memory cell and methods |
US10/382673 | 2003-03-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1527320A true CN1527320A (zh) | 2004-09-08 |
CN100481252C CN100481252C (zh) | 2009-04-22 |
Family
ID=32824785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003101201264A Expired - Lifetime CN100481252C (zh) | 2003-03-05 | 2003-12-05 | 掩埋磁隧道结存储器单元和方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6818549B2 (zh) |
EP (1) | EP1455390A3 (zh) |
JP (1) | JP2004274043A (zh) |
KR (1) | KR20040078883A (zh) |
CN (1) | CN100481252C (zh) |
SG (1) | SG113489A1 (zh) |
TW (1) | TW200418141A (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008138193A1 (en) * | 2007-05-14 | 2008-11-20 | Hong Kong Applied Science And Technology Research Institute Co. Ltd. | Recordable electrical memory |
CN108091359A (zh) * | 2017-12-11 | 2018-05-29 | 江苏鲁汶仪器有限公司 | 一种磁隧道结及其制造方法 |
CN108364951A (zh) * | 2018-01-23 | 2018-08-03 | 中国科学院上海微系统与信息技术研究所 | 约瑟夫森结结构、存储单元、存储单元阵列及制备方法 |
CN108539004A (zh) * | 2018-04-25 | 2018-09-14 | 中国科学院上海微系统与信息技术研究所 | 亚微米约瑟夫森隧道结及其制备方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI283477B (en) * | 2004-11-16 | 2007-07-01 | Ind Tech Res Inst | Magnetic random access memory with lower switching field |
KR100684893B1 (ko) | 2005-03-28 | 2007-02-20 | 삼성전자주식회사 | 자기 메모리 장치 및 그 제조방법 |
JP2009224477A (ja) * | 2008-03-14 | 2009-10-01 | Fujitsu Ltd | 半導体記憶装置及びその製造方法 |
US9368716B2 (en) | 2009-02-02 | 2016-06-14 | Qualcomm Incorporated | Magnetic tunnel junction (MTJ) storage element and spin transfer torque magnetoresistive random access memory (STT-MRAM) cells having an MTJ |
US8971977B2 (en) | 2011-01-17 | 2015-03-03 | Hypres, Inc. | Superconducting devices with ferromagnetic barrier junctions |
US9853208B2 (en) | 2014-12-30 | 2017-12-26 | International Business Machines Corporation | In-situ annealing to improve the tunneling magneto-resistance of magnetic tunnel junctions |
KR101691715B1 (ko) | 2015-01-30 | 2016-12-30 | 한양대학교 산학협력단 | 자기 저항 메모리 장치의 감지 회로 및 이에 있어서 감지 방법 |
US10672971B2 (en) | 2018-03-23 | 2020-06-02 | International Business Machines Corporation | Vertical transmon qubit device with microstrip waveguides |
US10256392B1 (en) | 2018-03-23 | 2019-04-09 | International Business Machines Corporation | Vertical transmon qubit device |
US10243132B1 (en) | 2018-03-23 | 2019-03-26 | International Business Machines Corporation | Vertical josephson junction superconducting device |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5166901A (en) * | 1986-05-14 | 1992-11-24 | Raytheon Company | Programmable memory cell structure including a refractory metal barrier layer |
US5640343A (en) * | 1996-03-18 | 1997-06-17 | International Business Machines Corporation | Magnetic memory array using magnetic tunnel junction devices in the memory cells |
US6590750B2 (en) * | 1996-03-18 | 2003-07-08 | International Business Machines Corporation | Limiting magnetoresistive electrical interaction to a preferred portion of a magnetic region in magnetic devices |
US6110751A (en) * | 1997-01-10 | 2000-08-29 | Fujitsu Limited | Tunnel junction structure and its manufacture and magnetic sensor |
US5768181A (en) * | 1997-04-07 | 1998-06-16 | Motorola, Inc. | Magnetic device having multi-layer with insulating and conductive layers |
US6169686B1 (en) * | 1997-11-20 | 2001-01-02 | Hewlett-Packard Company | Solid-state memory with magnetic storage cells |
US6083764A (en) * | 1998-07-20 | 2000-07-04 | Motorola, Inc. | Method of fabricating an MTJ with low areal resistance |
US6242770B1 (en) * | 1998-08-31 | 2001-06-05 | Gary Bela Bronner | Diode connected to a magnetic tunnel junction and self aligned with a metallic conductor and method for forming the same |
US5940319A (en) * | 1998-08-31 | 1999-08-17 | Motorola, Inc. | Magnetic random access memory and fabricating method thereof |
US6385074B1 (en) * | 1998-11-16 | 2002-05-07 | Matrix Semiconductor, Inc. | Integrated circuit structure including three-dimensional memory array |
US6292389B1 (en) * | 1999-07-19 | 2001-09-18 | Motorola, Inc. | Magnetic element with improved field response and fabricating method thereof |
US6266218B1 (en) * | 1999-10-28 | 2001-07-24 | International Business Machines Corporation | Magnetic sensors having antiferromagnetically exchange-coupled layers for longitudinal biasing |
US6281538B1 (en) * | 2000-03-22 | 2001-08-28 | Motorola, Inc. | Multi-layer tunneling device with a graded stoichiometry insulating layer |
US6331944B1 (en) * | 2000-04-13 | 2001-12-18 | International Business Machines Corporation | Magnetic random access memory using a series tunnel element select mechanism |
US6555858B1 (en) * | 2000-11-15 | 2003-04-29 | Motorola, Inc. | Self-aligned magnetic clad write line and its method of formation |
US6429497B1 (en) * | 2000-11-18 | 2002-08-06 | Hewlett-Packard Company | Method for improving breakdown voltage in magnetic tunnel junctions |
JP2002208682A (ja) * | 2001-01-12 | 2002-07-26 | Hitachi Ltd | 磁気半導体記憶装置及びその製造方法 |
JP3498737B2 (ja) * | 2001-01-24 | 2004-02-16 | ヤマハ株式会社 | 磁気センサの製造方法 |
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 |
US6724651B2 (en) * | 2001-04-06 | 2004-04-20 | Canon Kabushiki Kaisha | Nonvolatile solid-state memory and method of driving the same |
JP4405103B2 (ja) * | 2001-04-20 | 2010-01-27 | 株式会社東芝 | 半導体記憶装置 |
US6946712B2 (en) * | 2001-11-07 | 2005-09-20 | Kabushiki Kaisha Toshiba | Magnetic memory device using SOI substrate |
US6735111B2 (en) * | 2002-01-16 | 2004-05-11 | Micron Technology, Inc. | Magnetoresistive memory devices and assemblies |
JP3875568B2 (ja) * | 2002-02-05 | 2007-01-31 | 株式会社東芝 | 半導体装置及びその製造方法 |
US6940085B2 (en) * | 2002-04-02 | 2005-09-06 | Hewlett-Packard Development Company, I.P. | Memory structures |
US20030183868A1 (en) * | 2002-04-02 | 2003-10-02 | Peter Fricke | Memory structures |
US6661691B2 (en) * | 2002-04-02 | 2003-12-09 | Hewlett-Packard Development Company, L.P. | Interconnection structure and methods |
US6967350B2 (en) * | 2002-04-02 | 2005-11-22 | Hewlett-Packard Development Company, L.P. | Memory structures |
JP4047615B2 (ja) * | 2002-04-03 | 2008-02-13 | 株式会社ルネサステクノロジ | 磁気記憶装置 |
-
2003
- 2003-03-05 US US10/382,673 patent/US6818549B2/en not_active Expired - Lifetime
- 2003-09-26 TW TW092126693A patent/TW200418141A/zh unknown
- 2003-10-02 EP EP03022527A patent/EP1455390A3/en not_active Withdrawn
- 2003-12-05 CN CNB2003101201264A patent/CN100481252C/zh not_active Expired - Lifetime
- 2003-12-09 SG SG200307534A patent/SG113489A1/en unknown
-
2004
- 2004-02-20 JP JP2004044995A patent/JP2004274043A/ja not_active Withdrawn
- 2004-03-04 KR KR1020040014558A patent/KR20040078883A/ko not_active Application Discontinuation
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008138193A1 (en) * | 2007-05-14 | 2008-11-20 | Hong Kong Applied Science And Technology Research Institute Co. Ltd. | Recordable electrical memory |
CN108091359A (zh) * | 2017-12-11 | 2018-05-29 | 江苏鲁汶仪器有限公司 | 一种磁隧道结及其制造方法 |
CN108364951A (zh) * | 2018-01-23 | 2018-08-03 | 中国科学院上海微系统与信息技术研究所 | 约瑟夫森结结构、存储单元、存储单元阵列及制备方法 |
CN108539004A (zh) * | 2018-04-25 | 2018-09-14 | 中国科学院上海微系统与信息技术研究所 | 亚微米约瑟夫森隧道结及其制备方法 |
CN108539004B (zh) * | 2018-04-25 | 2023-12-05 | 中国科学院上海微系统与信息技术研究所 | 亚微米约瑟夫森隧道结及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20040078883A (ko) | 2004-09-13 |
SG113489A1 (en) | 2005-08-29 |
CN100481252C (zh) | 2009-04-22 |
US20040175847A1 (en) | 2004-09-09 |
EP1455390A2 (en) | 2004-09-08 |
TW200418141A (en) | 2004-09-16 |
EP1455390A3 (en) | 2008-10-15 |
US6818549B2 (en) | 2004-11-16 |
JP2004274043A (ja) | 2004-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SAMSUNG ELECTRONICS CO., LTD. Free format text: FORMER OWNER: HEWLETT PACKARD CO. Effective date: 20110222 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: STATE OF TEXAS, THE USA TO: GYEONGGI-DO, SOUTH KOREA |
|
TR01 | Transfer of patent right |
Effective date of registration: 20110222 Address after: Gyeonggi Do, South Korea Patentee after: SAMSUNG ELECTRONICS Co.,Ltd. Address before: Texas, USA Patentee before: Hewlett-Packard Development Co.,L.P. |
|
CX01 | Expiry of patent term |
Granted publication date: 20090422 |
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CX01 | Expiry of patent term |