JP4815344B2 - Mramデバイスの磁気エレクトロニクス素子を覆う導電層への接触方法 - Google Patents
Mramデバイスの磁気エレクトロニクス素子を覆う導電層への接触方法 Download PDFInfo
- Publication number
- JP4815344B2 JP4815344B2 JP2006513086A JP2006513086A JP4815344B2 JP 4815344 B2 JP4815344 B2 JP 4815344B2 JP 2006513086 A JP2006513086 A JP 2006513086A JP 2006513086 A JP2006513086 A JP 2006513086A JP 4815344 B2 JP4815344 B2 JP 4815344B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- masking
- dielectric
- magnetic
- cover
- 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.)
- Expired - Lifetime
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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
-
- 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
- G11C11/14—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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N50/00—Galvanomagnetic devices
- H10N50/01—Manufacture or treatment
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Physics & Mathematics (AREA)
- Hall/Mr Elements (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Semiconductor Memories (AREA)
- Electrodes Of Semiconductors (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/421,096 US6881351B2 (en) | 2003-04-22 | 2003-04-22 | Methods for contacting conducting layers overlying magnetoelectronic elements of MRAM devices |
| US10/421,096 | 2003-04-22 | ||
| PCT/US2004/011872 WO2004095515A2 (en) | 2003-04-22 | 2004-04-16 | Methods for contracting conducting layers overlying magnetoelectronic elements of mram devices |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006524436A JP2006524436A (ja) | 2006-10-26 |
| JP2006524436A5 JP2006524436A5 (OSRAM) | 2007-06-07 |
| JP4815344B2 true JP4815344B2 (ja) | 2011-11-16 |
Family
ID=33298612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006513086A Expired - Lifetime JP4815344B2 (ja) | 2003-04-22 | 2004-04-16 | Mramデバイスの磁気エレクトロニクス素子を覆う導電層への接触方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US6881351B2 (OSRAM) |
| JP (1) | JP4815344B2 (OSRAM) |
| KR (1) | KR101036703B1 (OSRAM) |
| CN (1) | CN1777955B (OSRAM) |
| TW (1) | TWI340771B (OSRAM) |
| WO (1) | WO2004095515A2 (OSRAM) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050014342A1 (en) * | 2003-07-18 | 2005-01-20 | International Business Machines Corporation | Small, scalable resistive element and method of manufacturing |
| US7611911B2 (en) * | 2003-10-08 | 2009-11-03 | International Business Machines Corporation | Method and system for patterning of magnetic thin films using gaseous transformation to transform a magnetic portion to a non-magnetic portion |
| US6969895B2 (en) * | 2003-12-10 | 2005-11-29 | Headway Technologies, Inc. | MRAM cell with flat topography and controlled bit line to free layer distance and method of manufacture |
| US7183893B2 (en) * | 2004-02-04 | 2007-02-27 | Seagate Technology Llc | TMR sensor with oxidized alloy barrier layer and method for forming the same |
| US7074713B2 (en) * | 2004-09-30 | 2006-07-11 | Freescale Semiconductor, Inc. | Plasma enhanced nitride layer |
| KR100698287B1 (ko) * | 2005-01-31 | 2007-03-22 | 삼성전자주식회사 | 박막벌크음향공진기 및 그 제조 방법 |
| US7172908B2 (en) * | 2005-02-15 | 2007-02-06 | Taiwan Semiconductor Manufacturing Company, Ltd. | Magnetic memory cells and manufacturing methods |
| US7241632B2 (en) * | 2005-04-14 | 2007-07-10 | Headway Technologies, Inc. | MTJ read head with sidewall spacers |
| US7399646B2 (en) * | 2005-08-23 | 2008-07-15 | International Business Machines Corporation | Magnetic devices and techniques for formation thereof |
| US20070054450A1 (en) | 2005-09-07 | 2007-03-08 | Magic Technologies, Inc. | Structure and fabrication of an MRAM cell |
| US20070086122A1 (en) * | 2005-10-19 | 2007-04-19 | Hitachi Global Storage Technologies | CPP magnetoresistive sensor having a reduced, shield defined track width |
| US7880249B2 (en) * | 2005-11-30 | 2011-02-01 | Magic Technologies, Inc. | Spacer structure in MRAM cell and method of its fabrication |
| US7345911B2 (en) * | 2006-02-14 | 2008-03-18 | Magic Technologies, Inc. | Multi-state thermally assisted storage |
| KR100723420B1 (ko) * | 2006-02-20 | 2007-05-30 | 삼성전자주식회사 | 비정질 합금 산화층을 포함하는 비휘발성 메모리 소자 |
| CN100511431C (zh) * | 2006-02-22 | 2009-07-08 | Tdk股份有限公司 | 磁记录介质的制造方法 |
| US8542524B2 (en) * | 2007-02-12 | 2013-09-24 | Avalanche Technology, Inc. | Magnetic random access memory (MRAM) manufacturing process for a small magnetic tunnel junction (MTJ) design with a low programming current requirement |
| US7833806B2 (en) * | 2009-01-30 | 2010-11-16 | Everspin Technologies, Inc. | Structure and method for fabricating cladded conductive lines in magnetic memories |
| 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 |
| KR20100109221A (ko) * | 2009-03-31 | 2010-10-08 | 삼성전자주식회사 | 비휘발성 메모리 소자의 형성방법 |
| JP5878116B2 (ja) * | 2009-05-18 | 2016-03-08 | アイメックImec | 磁性層のパターニングと接続 |
| EP2299593A1 (en) * | 2009-09-18 | 2011-03-23 | Nxp B.V. | Laterally coupled bulk acoustic wave device |
| JP2012156167A (ja) * | 2011-01-21 | 2012-08-16 | Toshiba Corp | 磁気ランダムアクセスメモリ及びその製造方法 |
| KR101617113B1 (ko) * | 2011-12-20 | 2016-04-29 | 인텔 코포레이션 | 자기 메모리 소자 콘택의 크기 감소 및 중심 배치 방법 |
| CN104659201B (zh) * | 2013-11-22 | 2018-07-20 | 中芯国际集成电路制造(上海)有限公司 | 一种磁阻内存单元的制造方法 |
| KR102369523B1 (ko) | 2015-09-08 | 2022-03-03 | 삼성전자주식회사 | 자기 저항 메모리 장치 및 그 제조 방법 |
| US9929087B2 (en) * | 2015-11-16 | 2018-03-27 | Taiwan Semiconductor Manufacturing Co., Ltd | Enhancing integrated circuit density with active atomic reservoir |
| CN105655481A (zh) * | 2015-12-24 | 2016-06-08 | 上海磁宇信息科技有限公司 | 超密型交叉矩阵列式磁性随机存储器制造工艺 |
| CN109216541B (zh) * | 2017-06-30 | 2022-05-17 | 中电海康集团有限公司 | Mram与其的制作方法 |
| US10720487B2 (en) | 2018-06-28 | 2020-07-21 | Taiwan Semiconductor Manufacturing Co., Ltd. | Structure and formation method of semiconductor device with magnetic element |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000353791A (ja) * | 1999-05-17 | 2000-12-19 | Motorola Inc | 磁気ランダム・アクセス・メモリおよびその製作方法 |
| JP2003069112A (ja) * | 2001-08-28 | 2003-03-07 | Nec Corp | 強磁性トンネル接合素子の製造方法 |
| JP2003258129A (ja) * | 2002-03-01 | 2003-09-12 | Seiko Epson Corp | 不揮発性記憶装置の製造方法 |
| WO2003094182A1 (en) * | 2002-04-30 | 2003-11-13 | Micron Technology, Inc. | Method of forming mram devices |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5999370A (ja) * | 1982-11-30 | 1984-06-08 | Copal Co Ltd | 磁気抵抗素子を具える磁気検出器の製造方法 |
| US6440753B1 (en) * | 2001-01-24 | 2002-08-27 | Infineon Technologies North America Corp. | Metal hard mask for ILD RIE processing of semiconductor memory devices to prevent oxidation of conductive lines |
| US6734079B2 (en) * | 2002-06-13 | 2004-05-11 | Taiwan Semiconductor Manufacturing Co., Ltd | Microelectronic fabrication having sidewall passivated microelectronic capacitor structure fabricated therein |
| US6806096B1 (en) * | 2003-06-18 | 2004-10-19 | Infineon Technologies Ag | Integration scheme for avoiding plasma damage in MRAM technology |
-
2003
- 2003-04-22 US US10/421,096 patent/US6881351B2/en not_active Expired - Lifetime
-
2004
- 2004-04-16 CN CN2004800108487A patent/CN1777955B/zh not_active Expired - Lifetime
- 2004-04-16 KR KR1020057020063A patent/KR101036703B1/ko not_active Expired - Lifetime
- 2004-04-16 WO PCT/US2004/011872 patent/WO2004095515A2/en not_active Ceased
- 2004-04-16 JP JP2006513086A patent/JP4815344B2/ja not_active Expired - Lifetime
- 2004-04-22 TW TW093111295A patent/TWI340771B/zh not_active IP Right Cessation
-
2005
- 2005-02-02 US US11/050,191 patent/US7476329B2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000353791A (ja) * | 1999-05-17 | 2000-12-19 | Motorola Inc | 磁気ランダム・アクセス・メモリおよびその製作方法 |
| JP2003069112A (ja) * | 2001-08-28 | 2003-03-07 | Nec Corp | 強磁性トンネル接合素子の製造方法 |
| JP2003258129A (ja) * | 2002-03-01 | 2003-09-12 | Seiko Epson Corp | 不揮発性記憶装置の製造方法 |
| WO2003094182A1 (en) * | 2002-04-30 | 2003-11-13 | Micron Technology, Inc. | Method of forming mram devices |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101036703B1 (ko) | 2011-05-24 |
| WO2004095515A3 (en) | 2005-01-27 |
| US6881351B2 (en) | 2005-04-19 |
| US20040211749A1 (en) | 2004-10-28 |
| CN1777955A (zh) | 2006-05-24 |
| WO2004095515A2 (en) | 2004-11-04 |
| US7476329B2 (en) | 2009-01-13 |
| WO2004095515B1 (en) | 2005-03-17 |
| TWI340771B (en) | 2011-04-21 |
| WO2004095515A8 (en) | 2005-11-17 |
| JP2006524436A (ja) | 2006-10-26 |
| US20050130374A1 (en) | 2005-06-16 |
| TW200508417A (en) | 2005-03-01 |
| KR20060009862A (ko) | 2006-02-01 |
| CN1777955B (zh) | 2011-06-29 |
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