JP2002334973A5 - - Google Patents
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- Publication number
- JP2002334973A5 JP2002334973A5 JP2002060538A JP2002060538A JP2002334973A5 JP 2002334973 A5 JP2002334973 A5 JP 2002334973A5 JP 2002060538 A JP2002060538 A JP 2002060538A JP 2002060538 A JP2002060538 A JP 2002060538A JP 2002334973 A5 JP2002334973 A5 JP 2002334973A5
- Authority
- JP
- Japan
- Prior art keywords
- trench
- ferromagnetic
- coating layer
- depositing
- sidewalls
- 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 claims 40
- 239000000463 material Substances 0.000 claims 37
- 238000005253 cladding Methods 0.000 claims 28
- 238000000034 method Methods 0.000 claims 28
- 230000005294 ferromagnetic effect Effects 0.000 claims 24
- 239000011247 coating layer Substances 0.000 claims 21
- 230000005291 magnetic effect Effects 0.000 claims 19
- 238000000151 deposition Methods 0.000 claims 17
- 239000003302 ferromagnetic material Substances 0.000 claims 13
- 238000005498 polishing Methods 0.000 claims 11
- 238000000992 sputter etching Methods 0.000 claims 6
- 239000010410 layer Substances 0.000 claims 5
- 230000035699 permeability Effects 0.000 claims 3
- 239000010409 thin film Substances 0.000 claims 3
- 238000003631 wet chemical etching Methods 0.000 claims 3
- 239000000126 substance Substances 0.000 claims 2
- 239000000758 substrate Substances 0.000 claims 2
- 238000005530 etching Methods 0.000 claims 1
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 (2)
| Publication Number | Publication Date |
|---|---|
| JP2002334973A JP2002334973A (ja) | 2002-11-22 |
| JP2002334973A5 true JP2002334973A5 (enExample) | 2005-04-07 |
Family
ID=25184320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002060538A Pending JP2002334973A (ja) | 2001-03-09 | 2002-03-06 | 上部導体にクラッド層を形成するための方法 |
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) |
Families Citing this family (47)
| 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 |
| US6885074B2 (en) * | 2002-11-27 | 2005-04-26 | Freescale Semiconductor, Inc. | Cladded conductor for use in a magnetoelectronics device and method for fabricating the same |
| 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 |
| US6909630B2 (en) | 2002-12-09 | 2005-06-21 | Applied Spintronics Technology, Inc. | MRAM memories utilizing magnetic write lines |
| US6943038B2 (en) * | 2002-12-19 | 2005-09-13 | Freescale Semiconductor, Inc. | Method for fabricating a flux concentrating system for use in a magnetoelectronics device |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
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 |
| EP0740347B1 (de) * | 1995-04-24 | 2002-08-28 | 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 |
| 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 |
| DE10106860A1 (de) * | 2000-02-17 | 2001-08-30 | Sharp Kk | MTJ-Element und Magnetspeicher unter Verwendung eines solchen |
| 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 EP EP02251667A patent/EP1239489B1/en not_active Expired - Lifetime
- 2002-03-08 KR KR1020020012376A patent/KR100855573B1/ko not_active Expired - Fee Related
- 2002-03-08 DE DE60201036T patent/DE60201036T2/de not_active Expired - Fee Related
-
2003
- 2003-02-18 HK HK03101239.6A patent/HK1049067A1/zh unknown
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