CN1372687A - 存储单元装置及其运行方法 - Google Patents
存储单元装置及其运行方法 Download PDFInfo
- Publication number
- CN1372687A CN1372687A CN00812492A CN00812492A CN1372687A CN 1372687 A CN1372687 A CN 1372687A CN 00812492 A CN00812492 A CN 00812492A CN 00812492 A CN00812492 A CN 00812492A CN 1372687 A CN1372687 A CN 1372687A
- Authority
- CN
- China
- Prior art keywords
- lead
- ferromagnetic layer
- storage unit
- magnetoresistive
- magnetoresistive element
- 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 description 7
- 230000005294 ferromagnetic effect Effects 0.000 claims description 51
- 238000003860 storage Methods 0.000 claims description 41
- 230000005415 magnetization Effects 0.000 claims description 18
- 239000004020 conductor Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 2
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 2
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 claims description 2
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- BFRGSJVXBIWTCF-UHFFFAOYSA-N niobium monoxide Inorganic materials [Nb]=O BFRGSJVXBIWTCF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 abstract 1
- 230000005291 magnetic effect Effects 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910003321 CoFe Inorganic materials 0.000 description 1
- 229910015136 FeMn Inorganic materials 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
- G11C11/15—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements using multiple magnetic layers
-
- 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
-
- 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
Abstract
Description
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19942447.0 | 1999-09-06 | ||
DE19942447A DE19942447C2 (de) | 1999-09-06 | 1999-09-06 | Speicherzellenanordnung und Verfahren zu deren Betrieb |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1372687A true CN1372687A (zh) | 2002-10-02 |
CN1196132C CN1196132C (zh) | 2005-04-06 |
Family
ID=7920947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB008124922A Expired - Fee Related CN1196132C (zh) | 1999-09-06 | 2000-09-04 | 存储单元装置及其运行方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6574138B2 (zh) |
JP (1) | JP3739705B2 (zh) |
KR (1) | KR100439653B1 (zh) |
CN (1) | CN1196132C (zh) |
DE (1) | DE19942447C2 (zh) |
TW (1) | TW490668B (zh) |
WO (1) | WO2001018816A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102439665A (zh) * | 2009-04-03 | 2012-05-02 | 桑迪士克3D有限责任公司 | 包括伪电阻、电阻切换元件及二极管的多位电阻切换存储器单元的写入 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6385079B1 (en) * | 2001-08-31 | 2002-05-07 | Hewlett-Packard Company | Methods and structure for maximizing signal to noise ratio in resistive array |
JP4775926B2 (ja) * | 2001-09-28 | 2011-09-21 | キヤノン株式会社 | 磁気メモリ装置の読み出し回路 |
DE10149737A1 (de) | 2001-10-09 | 2003-04-24 | Infineon Technologies Ag | Halbleiterspeicher mit sich kreuzenden Wort- und Bitleitungen, an denen magnetoresistive Speicherzellen angeordnet sind |
US20040026682A1 (en) * | 2002-06-17 | 2004-02-12 | Hai Jiang | Nano-dot memory and fabricating same |
JP4365591B2 (ja) * | 2003-01-17 | 2009-11-18 | Tdk株式会社 | 磁気メモリデバイスおよび書込電流駆動回路、並びに書込電流駆動方法 |
US7009278B2 (en) * | 2003-11-24 | 2006-03-07 | Sharp Laboratories Of America, Inc. | 3d rram |
JP4499740B2 (ja) * | 2003-12-26 | 2010-07-07 | パナソニック株式会社 | 記憶素子、メモリ回路、半導体集積回路 |
US7257025B2 (en) * | 2004-12-09 | 2007-08-14 | Saifun Semiconductors Ltd | Method for reading non-volatile memory cells |
US8270199B2 (en) * | 2009-04-03 | 2012-09-18 | Sandisk 3D Llc | Cross point non-volatile memory cell |
US7978498B2 (en) * | 2009-04-03 | 2011-07-12 | Sandisk 3D, Llc | Programming non-volatile storage element using current from other element |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4426491A (en) * | 1980-06-23 | 1984-01-17 | Union Carbide Corporation | Curable physical mixtures and composites therefrom |
US5173873A (en) | 1990-06-28 | 1992-12-22 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | High speed magneto-resistive random access memory |
US5949707A (en) * | 1996-09-06 | 1999-09-07 | Nonvolatile Electronics, Incorporated | Giant magnetoresistive effect memory cell |
JP3767930B2 (ja) * | 1995-11-13 | 2006-04-19 | 沖電気工業株式会社 | 情報の記録・再生方法および情報記憶装置 |
US5640343A (en) | 1996-03-18 | 1997-06-17 | International Business Machines Corporation | Magnetic memory array using magnetic tunnel junction devices in the memory cells |
DE19744095A1 (de) * | 1997-10-06 | 1999-04-15 | Siemens Ag | Speicherzellenanordnung |
US6104633A (en) * | 1998-02-10 | 2000-08-15 | International Business Machines Corporation | Intentional asymmetry imposed during fabrication and/or access of magnetic tunnel junction devices |
CN1145168C (zh) * | 1999-01-13 | 2004-04-07 | 因芬尼昂技术股份公司 | 磁阻随机存取存储器的写/读结构 |
-
1999
- 1999-09-06 DE DE19942447A patent/DE19942447C2/de not_active Expired - Fee Related
-
2000
- 2000-09-04 CN CNB008124922A patent/CN1196132C/zh not_active Expired - Fee Related
- 2000-09-04 TW TW089118045A patent/TW490668B/zh active
- 2000-09-04 KR KR10-2002-7002920A patent/KR100439653B1/ko active IP Right Grant
- 2000-09-04 WO PCT/DE2000/003017 patent/WO2001018816A1/de active IP Right Grant
- 2000-09-04 JP JP2001522544A patent/JP3739705B2/ja not_active Expired - Fee Related
-
2002
- 2002-03-06 US US10/094,865 patent/US6574138B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102439665A (zh) * | 2009-04-03 | 2012-05-02 | 桑迪士克3D有限责任公司 | 包括伪电阻、电阻切换元件及二极管的多位电阻切换存储器单元的写入 |
Also Published As
Publication number | Publication date |
---|---|
JP2003532964A (ja) | 2003-11-05 |
US20020154537A1 (en) | 2002-10-24 |
US6574138B2 (en) | 2003-06-03 |
TW490668B (en) | 2002-06-11 |
JP3739705B2 (ja) | 2006-01-25 |
DE19942447A1 (de) | 2001-03-15 |
CN1196132C (zh) | 2005-04-06 |
WO2001018816A1 (de) | 2001-03-15 |
KR100439653B1 (ko) | 2004-07-12 |
DE19942447C2 (de) | 2003-06-05 |
KR20030009295A (ko) | 2003-01-29 |
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Legal Events
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
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 | ||
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER NAME: INFENNIAN TECHNOLOGIES AG |
|
CP01 | Change in the name or title of a patent holder |
Address after: Munich, Germany Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: INFINEON TECHNOLOGIES AG |
|
TR01 | Transfer of patent right |
Effective date of registration: 20130705 Address after: Munich, Germany Patentee after: QIMONDA AG Address before: Munich, Germany Patentee before: Infineon Technologies AG |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160114 Address after: German Berg, Laura Ibiza Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: QIMONDA AG |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050406 Termination date: 20190904 |