CN1374691A - 顶部导体包层的制造方法 - Google Patents
顶部导体包层的制造方法 Download PDFInfo
- Publication number
- CN1374691A CN1374691A CN01143132A CN01143132A CN1374691A CN 1374691 A CN1374691 A CN 1374691A CN 01143132 A CN01143132 A CN 01143132A CN 01143132 A CN01143132 A CN 01143132A CN 1374691 A CN1374691 A CN 1374691A
- Authority
- CN
- China
- Prior art keywords
- conductor
- ferromagnetic
- coating
- groove
- magnetic ram
- 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.)
- Pending
Links
- 239000004020 conductor Substances 0.000 title claims abstract description 78
- 238000004519 manufacturing process Methods 0.000 title description 5
- 230000005291 magnetic effect Effects 0.000 claims abstract description 83
- 239000000463 material Substances 0.000 claims abstract description 49
- 239000003302 ferromagnetic material Substances 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims abstract description 33
- 238000005253 cladding Methods 0.000 claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims description 40
- 238000000576 coating method Methods 0.000 claims description 40
- 238000003860 storage Methods 0.000 claims description 23
- 230000005294 ferromagnetic effect Effects 0.000 claims description 18
- 239000000758 substrate Substances 0.000 claims description 9
- 238000005498 polishing Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 239000011247 coating layer Substances 0.000 abstract 1
- 230000005415 magnetization Effects 0.000 description 11
- 230000005641 tunneling Effects 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 5
- 238000012937 correction Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000005137 deposition process Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 238000000992 sputter etching Methods 0.000 description 2
- 229910000863 Ferronickel Inorganic materials 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000010409 thin film Substances 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- 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
- G11C11/161—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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Semiconductor Memories (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Hall/Mr Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/802650 | 2001-03-09 | ||
| US09/802,650 US6475812B2 (en) | 2001-03-09 | 2001-03-09 | Method for fabricating cladding layer in top conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1374691A true CN1374691A (zh) | 2002-10-16 |
Family
ID=25184320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01143132A Pending CN1374691A (zh) | 2001-03-09 | 2001-12-10 | 顶部导体包层的制造方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6475812B2 (enExample) |
| EP (1) | EP1239489B1 (enExample) |
| JP (1) | JP2002334973A (enExample) |
| KR (1) | KR100855573B1 (enExample) |
| CN (1) | CN1374691A (enExample) |
| DE (1) | DE60201036T2 (enExample) |
| HK (1) | HK1049067A1 (enExample) |
| TW (1) | TW513803B (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1329976C (zh) * | 2002-11-27 | 2007-08-01 | 飞思卡尔半导体公司 | 磁电子器件及其制造方法 |
| CN100490006C (zh) * | 2002-12-19 | 2009-05-20 | 飞思卡尔半导体公司 | 制造用在磁电子器件中的磁通集中系统的方法 |
| CN112133820A (zh) * | 2019-06-25 | 2020-12-25 | 中电海康集团有限公司 | Mram底电极的制备方法 |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10043947A1 (de) * | 2000-09-06 | 2002-04-04 | Infineon Technologies Ag | Integrierte Schaltungsanordnung |
| US6555858B1 (en) * | 2000-11-15 | 2003-04-29 | Motorola, Inc. | Self-aligned magnetic clad write line and its method of formation |
| US6413788B1 (en) * | 2001-02-28 | 2002-07-02 | Micron Technology, Inc. | Keepers for MRAM electrodes |
| US6545906B1 (en) | 2001-10-16 | 2003-04-08 | Motorola, Inc. | Method of writing to scalable magnetoresistance random access memory element |
| US6720597B2 (en) * | 2001-11-13 | 2004-04-13 | Motorola, Inc. | Cladding of a conductive interconnect for programming a MRAM device using multiple magnetic layers |
| US6661688B2 (en) * | 2001-12-05 | 2003-12-09 | Hewlett-Packard Development Company, L.P. | Method and article for concentrating fields at sense layers |
| US6525957B1 (en) * | 2001-12-21 | 2003-02-25 | Motorola, Inc. | Magnetic memory cell having magnetic flux wrapping around a bit line and method of manufacturing thereof |
| US6780653B2 (en) * | 2002-06-06 | 2004-08-24 | Micron Technology, Inc. | Methods of forming magnetoresistive memory device assemblies |
| US7095646B2 (en) | 2002-07-17 | 2006-08-22 | Freescale Semiconductor, Inc. | Multi-state magnetoresistance random access cell with improved memory storage density |
| JP2006134363A (ja) | 2002-07-29 | 2006-05-25 | Nec Corp | 磁気ランダムアクセスメモリ |
| US6770491B2 (en) * | 2002-08-07 | 2004-08-03 | Micron Technology, Inc. | Magnetoresistive memory and method of manufacturing the same |
| US6914805B2 (en) * | 2002-08-21 | 2005-07-05 | Micron Technology, Inc. | Method for building a magnetic keeper or flux concentrator used for writing magnetic bits on a MRAM device |
| KR100515053B1 (ko) * | 2002-10-02 | 2005-09-14 | 삼성전자주식회사 | 비트라인 클램핑 전압 레벨에 대해 안정적인 독출 동작이가능한 마그네틱 메모리 장치 |
| JP3906145B2 (ja) * | 2002-11-22 | 2007-04-18 | 株式会社東芝 | 磁気ランダムアクセスメモリ |
| US7184301B2 (en) | 2002-11-27 | 2007-02-27 | Nec Corporation | Magnetic memory cell and magnetic random access memory using the same |
| US6909630B2 (en) | 2002-12-09 | 2005-06-21 | Applied Spintronics Technology, Inc. | MRAM memories utilizing magnetic write lines |
| US6909633B2 (en) | 2002-12-09 | 2005-06-21 | Applied Spintronics Technology, Inc. | MRAM architecture with a flux closed data storage layer |
| US6870759B2 (en) * | 2002-12-09 | 2005-03-22 | Applied Spintronics Technology, Inc. | MRAM array with segmented magnetic write lines |
| US6864551B2 (en) * | 2003-02-05 | 2005-03-08 | Applied Spintronics Technology, Inc. | High density and high programming efficiency MRAM design |
| US6812538B2 (en) | 2003-02-05 | 2004-11-02 | Applied Spintronics Technology, Inc. | MRAM cells having magnetic write lines with a stable magnetic state at the end regions |
| US6940749B2 (en) | 2003-02-24 | 2005-09-06 | Applied Spintronics Technology, Inc. | MRAM array with segmented word and bit lines |
| US6963500B2 (en) * | 2003-03-14 | 2005-11-08 | Applied Spintronics Technology, Inc. | Magnetic tunneling junction cell array with shared reference layer for MRAM applications |
| US7067866B2 (en) * | 2003-03-31 | 2006-06-27 | Applied Spintronics Technology, Inc. | MRAM architecture and a method and system for fabricating MRAM memories utilizing the architecture |
| US6933550B2 (en) * | 2003-03-31 | 2005-08-23 | Applied Spintronics Technology, Inc. | Method and system for providing a magnetic memory having a wrapped write line |
| US6785160B1 (en) * | 2003-04-29 | 2004-08-31 | Hewlett-Packard Development Company, L.P. | Method of providing stability of a magnetic memory cell |
| US6956763B2 (en) | 2003-06-27 | 2005-10-18 | Freescale Semiconductor, Inc. | MRAM element and methods for writing the MRAM element |
| US6967366B2 (en) | 2003-08-25 | 2005-11-22 | Freescale Semiconductor, Inc. | Magnetoresistive random access memory with reduced switching field variation |
| US7078239B2 (en) | 2003-09-05 | 2006-07-18 | Micron Technology, Inc. | Integrated circuit structure formed by damascene process |
| US6819586B1 (en) * | 2003-10-24 | 2004-11-16 | Hewlett-Packard Development Company, L.P. | Thermally-assisted magnetic memory structures |
| US20050141148A1 (en) | 2003-12-02 | 2005-06-30 | Kabushiki Kaisha Toshiba | Magnetic memory |
| US20050205952A1 (en) * | 2004-03-19 | 2005-09-22 | Jae-Hyun Park | Magnetic random access memory cells having split sub-digit lines having cladding layers thereon and methods of fabricating the same |
| US6946698B1 (en) | 2004-04-02 | 2005-09-20 | Taiwan Semiconductor Manufacturing Company, Ltd. | MRAM device having low-k inter-metal dielectric |
| US20060039183A1 (en) * | 2004-05-21 | 2006-02-23 | Taiwan Semiconductor Manufacturing Co., Ltd. | Multi-sensing level MRAM structures |
| JP5003937B2 (ja) * | 2004-06-10 | 2012-08-22 | 日本電気株式会社 | 磁気メモリ |
| US7221584B2 (en) * | 2004-08-13 | 2007-05-22 | Taiwan Semiconductor Manufacturing Company, Ltd. | MRAM cell having shared configuration |
| US7129098B2 (en) | 2004-11-24 | 2006-10-31 | Freescale Semiconductor, Inc. | Reduced power magnetoresistive random access memory elements |
| US20130082232A1 (en) | 2011-09-30 | 2013-04-04 | Unity Semiconductor Corporation | Multi Layered Conductive Metal Oxide Structures And Methods For Facilitating Enhanced Performance Characteristics Of Two Terminal Memory Cells |
| US7407885B2 (en) * | 2005-05-11 | 2008-08-05 | Micron Technology, Inc. | Methods of forming electrically conductive plugs |
| KR100682950B1 (ko) * | 2005-07-28 | 2007-02-15 | 삼성전자주식회사 | 강유전체 기록매체 및 그 제조 방법 |
| US7738287B2 (en) * | 2007-03-27 | 2010-06-15 | Grandis, Inc. | Method and system for providing field biased magnetic memory devices |
| JP2009283843A (ja) * | 2008-05-26 | 2009-12-03 | Renesas Technology Corp | 半導体装置及びその製造方法 |
| US7833806B2 (en) * | 2009-01-30 | 2010-11-16 | Everspin Technologies, Inc. | Structure and method for fabricating cladded conductive lines in magnetic memories |
| KR101983137B1 (ko) * | 2013-03-04 | 2019-05-28 | 삼성전기주식회사 | 파워 인덕터 및 그 제조방법 |
| US10403424B2 (en) | 2017-06-09 | 2019-09-03 | Texas Instruments Incorporated | Method to form magnetic core for integrated magnetic devices |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2728025B2 (ja) | 1995-04-13 | 1998-03-18 | 日本電気株式会社 | 半導体装置の製造方法 |
| ATE223108T1 (de) * | 1995-04-24 | 2002-09-15 | Infineon Technologies Ag | Halbleiter-speichervorrichtung unter verwendung eines ferroelektrischen dielektrikums und verfahren zur herstellung |
| JPH09191084A (ja) * | 1996-01-10 | 1997-07-22 | Nec Corp | 半導体装置及びその製造方法 |
| US5732016A (en) * | 1996-07-02 | 1998-03-24 | Motorola | Memory cell structure in a magnetic random access memory and a method for fabricating thereof |
| US6030877A (en) * | 1997-10-06 | 2000-02-29 | Industrial Technology Research Institute | Electroless gold plating method for forming inductor structures |
| US5956267A (en) | 1997-12-18 | 1999-09-21 | Honeywell Inc | Self-aligned wordline keeper and method of manufacture therefor |
| US6278165B1 (en) * | 1998-06-29 | 2001-08-21 | Kabushiki Kaisha Toshiba | MIS transistor having a large driving current and method for producing the same |
| US5940319A (en) * | 1998-08-31 | 1999-08-17 | Motorola, Inc. | Magnetic random access memory and fabricating method thereof |
| JP2000090658A (ja) * | 1998-09-09 | 2000-03-31 | Sanyo Electric Co Ltd | 磁気メモリ素子 |
| US6872993B1 (en) * | 1999-05-25 | 2005-03-29 | Micron Technology, Inc. | Thin film memory device having local and external magnetic shielding |
| DE10106860A1 (de) * | 2000-02-17 | 2001-08-30 | Sharp Kk | MTJ-Element und Magnetspeicher unter Verwendung eines solchen |
| JP2001230468A (ja) * | 2000-02-17 | 2001-08-24 | Sharp Corp | 磁気トンネル接合素子及びそれを用いた磁気メモリ |
| US6211090B1 (en) * | 2000-03-21 | 2001-04-03 | Motorola, Inc. | Method of fabricating flux concentrating layer for use with magnetoresistive random access memories |
| TW459374B (en) * | 2000-08-30 | 2001-10-11 | Mosel Vitelic Inc | Method for forming magnetic layer of magnetic random access memory |
| US6555858B1 (en) * | 2000-11-15 | 2003-04-29 | Motorola, Inc. | Self-aligned magnetic clad write line and its method of formation |
| US6413788B1 (en) * | 2001-02-28 | 2002-07-02 | Micron Technology, Inc. | Keepers for MRAM electrodes |
-
2001
- 2001-03-09 US US09/802,650 patent/US6475812B2/en not_active Expired - Lifetime
- 2001-10-18 TW TW090125807A patent/TW513803B/zh not_active IP Right Cessation
- 2001-12-10 CN CN01143132A patent/CN1374691A/zh active Pending
-
2002
- 2002-03-06 JP JP2002060538A patent/JP2002334973A/ja active Pending
- 2002-03-08 KR KR1020020012376A patent/KR100855573B1/ko not_active Expired - Fee Related
- 2002-03-08 EP EP02251667A patent/EP1239489B1/en not_active Expired - Lifetime
- 2002-03-08 DE DE60201036T patent/DE60201036T2/de not_active Expired - Fee Related
-
2003
- 2003-02-18 HK HK03101239.6A patent/HK1049067A1/zh unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1329976C (zh) * | 2002-11-27 | 2007-08-01 | 飞思卡尔半导体公司 | 磁电子器件及其制造方法 |
| CN100490006C (zh) * | 2002-12-19 | 2009-05-20 | 飞思卡尔半导体公司 | 制造用在磁电子器件中的磁通集中系统的方法 |
| CN112133820A (zh) * | 2019-06-25 | 2020-12-25 | 中电海康集团有限公司 | Mram底电极的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE60201036T2 (de) | 2005-08-11 |
| JP2002334973A (ja) | 2002-11-22 |
| DE60201036D1 (de) | 2004-09-30 |
| US6475812B2 (en) | 2002-11-05 |
| KR20030009078A (ko) | 2003-01-29 |
| KR100855573B1 (ko) | 2008-09-03 |
| EP1239489A1 (en) | 2002-09-11 |
| HK1049067A1 (zh) | 2003-04-25 |
| EP1239489B1 (en) | 2004-08-25 |
| US20020127743A1 (en) | 2002-09-12 |
| TW513803B (en) | 2002-12-11 |
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