KR100969285B1 - 전자 장치, 메모리 장치, 자기 메모리 장치 어레이, 전자장치 제조 방법, 하부 구조 자기 메모리 장치 제조 방법및 상부 구조 자기 메모리 장치 제조 방법 - Google Patents
전자 장치, 메모리 장치, 자기 메모리 장치 어레이, 전자장치 제조 방법, 하부 구조 자기 메모리 장치 제조 방법및 상부 구조 자기 메모리 장치 제조 방법 Download PDFInfo
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- KR100969285B1 KR100969285B1 KR1020030026705A KR20030026705A KR100969285B1 KR 100969285 B1 KR100969285 B1 KR 100969285B1 KR 1020030026705 A KR1020030026705 A KR 1020030026705A KR 20030026705 A KR20030026705 A KR 20030026705A KR 100969285 B1 KR100969285 B1 KR 100969285B1
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- 229910003321 CoFe Inorganic materials 0.000 description 1
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- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
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- 125000006850 spacer group Chemical group 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Hall/Mr Elements (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (10)
- 장치 스택 내에서 제조된 전자 장치-자기장이 상기 장치 스택(device stack)의 경계(boundary)에 생성됨-에 있어서,자성이 있고, 작동 도중에 경계에서 자기장을 생성하는 상기 장치 스택 내의 적어도 하나의 층과,상기 스택 내에서 제 2 층으로서 제조되어, 작동 도중에 상기 경계에서 상기 자기장을 수정하는 싱크층(sink layer)을 포함하는 전자 장치
- 감지층과,피닝된 층(pinned layer)과,상기 감지층과 상기 피닝된 층 사이에 위치한 장벽층(barrier layer)과,상기 피닝된 층에 인접하게 위치한 피닝층(pinning layer)과,상기 감지층(sense layer), 상기 피닝된 층 및 상기 피닝층의 경계에서 자기장 효과를 약화시키는 자기 싱크층(magnetic sink layer)을 포함하는 메모리 장치.
- 복수의 자기 메모리 장치들을 포함하는 자기 메모리 장치의 어레이에 있어서,복수의 감지 라인(sense line)과,상기 어레이 내의 상기 자기 메모리 장치의 각각에 대해 하나씩 위치된 복수의 피닝된 층과,감지층과 각 피닝된 층 사이에 하나씩 위치한 복수의 장벽층과,상기 복수의 감지 라인에 일반적으로 수직하게 이어지고, 상기 피닝된 층의 일부와 적어도 부분적으로 정렬된 복수의 피닝층과,상기 어레이 내의 상기 자기 메모리 장치 중의 적어도 하나와의 전자기 통신(electro-magnetic communication) 내에 위치되어, 워드 라인, 피닝된 층 및 상기 적어도 하나의 자기 메모리 장치와 연관된 피닝 라인(pinning line)의 경계에서 자기장 효과를 수정하기 위한 적어도 하나의 자기 싱크층을 포함하는 자기 메모리 장치의 어레이.
- 스택 배열(stack arrangement) 내의 반도체 기판 위에 전자 장치를 제조하는 방법에 있어서,스택 내에서, 전자기적으로 도전성이고, 작동 중에 에지 경계(edge boundary)에서 자기장을 생성하는, 적어도 하나의 층을 형성하는 것과,작동 중에 자기장을 수정하기 위해 상기 스택에 인접한 싱크층을 형성하는 것을 포함하는 전자 장치의 제조 방법.
- 기판 위에 자기 싱크층을 형성하는 것과,상기 자기 싱크층에 인접하게 피닝층을 형성하는 것과,상기 피닝층에 인접하게 피닝된 층을 형성하는 것과,상기 피닝된 층에 인접하게 장벽층을 형성하는 것과,상기 장벽층에 인접한 감지층을 형성하는 것을 포함하되,상기 자기 싱크층은 상기 감지층, 상기 피닝된 층 및 상기 피닝층의 경계에서 자기장 효과를 수정하기 위해서 활용되는하부 구조 자기 메모리 장치(bottom structure magnetic memory device)의 제조 방법.
- 피닝층에 인접한 기판 위에 감지층을 형성하는 것과,상기 감지층에 인접한 장벽층을 형성하는 것과,상기 장벽층에 인접한 피닝된 층을 형성하는 것과,상기 피닝된 층에 인접한 피닝층을 형성하는 것과,상기 피닝층 위에 자기 싱크층을 형성하는 것을 포함하되,상기 자기 싱크층은 상기 감지층, 상기 피닝된 층, 및 상기 피닝층의 경계에서 자기장 효과를 수정하기 위해 활용되는상부 구조 자기 메모리 장치(top structure magnetic memory device)의 제조 방법.
- 제 2 항에 있어서,상기 장치는 자기 랜덤 액세스 메모리 셀(magnetic random access memory cell)을 포함하는 메모리 장치.
- 제 2 항에 있어서,상기 싱크층은 상기 장치의 경계를 넘어서 확장하는 메모리 장치.
- 제 2 항에 있어서,상기 싱크층은 연자성체 재료를 포함하는 메모리 장치.
- 제 2 항에 있어서,상기 장치는 반도체 다이오드(semiconductor diode)를 포함하는 메모리 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/135,241 | 2002-04-29 | ||
US10/135,241 US6794695B2 (en) | 2002-04-29 | 2002-04-29 | Magneto resistive storage device having a magnetic field sink layer |
Publications (2)
Publication Number | Publication Date |
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KR20030085496A KR20030085496A (ko) | 2003-11-05 |
KR100969285B1 true KR100969285B1 (ko) | 2010-07-09 |
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KR1020030026705A KR100969285B1 (ko) | 2002-04-29 | 2003-04-28 | 전자 장치, 메모리 장치, 자기 메모리 장치 어레이, 전자장치 제조 방법, 하부 구조 자기 메모리 장치 제조 방법및 상부 구조 자기 메모리 장치 제조 방법 |
Country Status (7)
Country | Link |
---|---|
US (2) | US6794695B2 (ko) |
EP (1) | EP1359590B1 (ko) |
JP (1) | JP2004006844A (ko) |
KR (1) | KR100969285B1 (ko) |
CN (1) | CN100397674C (ko) |
DE (1) | DE60301294T2 (ko) |
TW (1) | TW200305977A (ko) |
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US6794695B2 (en) * | 2002-04-29 | 2004-09-21 | Hewlett-Packard Development Company, L.P. | Magneto resistive storage device having a magnetic field sink layer |
US6956257B2 (en) * | 2002-11-18 | 2005-10-18 | Carnegie Mellon University | Magnetic memory element and memory device including same |
US7072209B2 (en) * | 2003-12-29 | 2006-07-04 | Micron Technology, Inc. | Magnetic memory having synthetic antiferromagnetic pinned layer |
US6980455B2 (en) * | 2004-02-03 | 2005-12-27 | Hewlett-Packard Development Company, L.P. | Remote sensed pre-amplifier for cross-point arrays |
US7193889B2 (en) * | 2004-02-11 | 2007-03-20 | Hewlett-Packard Development Company, Lp. | Switching of MRAM devices having soft magnetic reference layers |
JP4082711B2 (ja) * | 2004-03-12 | 2008-04-30 | 独立行政法人科学技術振興機構 | 磁気抵抗素子及びその製造方法 |
US7172786B2 (en) * | 2004-05-14 | 2007-02-06 | Hitachi Global Storage Technologies Netherlands B.V. | Methods for improving positioning performance of electron beam lithography on magnetic wafers |
US7611912B2 (en) * | 2004-06-30 | 2009-11-03 | Headway Technologies, Inc. | Underlayer for high performance magnetic tunneling junction MRAM |
US7646568B2 (en) * | 2005-12-23 | 2010-01-12 | Headway Technologies, Inc. | Ultra thin seed layer for CPP or TMR structure |
US9136463B2 (en) * | 2007-11-20 | 2015-09-15 | Qualcomm Incorporated | Method of forming a magnetic tunnel junction structure |
US7826258B2 (en) * | 2008-03-24 | 2010-11-02 | Carnegie Mellon University | Crossbar diode-switched magnetoresistive random access memory system |
US8587993B2 (en) | 2009-03-02 | 2013-11-19 | Qualcomm Incorporated | Reducing source loading effect in spin torque transfer magnetoresisitive random access memory (STT-MRAM) |
US8313960B1 (en) * | 2011-05-03 | 2012-11-20 | Avalanche Technology, Inc. | Magnetic tunnel junction (MTJ) formation using multiple etching processes |
US8148174B1 (en) * | 2011-05-03 | 2012-04-03 | Avalanche Technology, Inc. | Magnetic tunnel junction (MTJ) formation with two-step process |
KR101849677B1 (ko) * | 2011-05-19 | 2018-04-19 | 삼성전자주식회사 | 자기 터널 접합 소자 |
US9343656B2 (en) * | 2012-03-02 | 2016-05-17 | Taiwan Semiconductor Manufacturing Company, Ltd. | Magnetic tunnel junction (MTJ) structure in magnetic random access memory |
US8900884B2 (en) * | 2012-06-18 | 2014-12-02 | Headway Technologies, Inc. | MTJ element for STT MRAM |
EP2741296B1 (en) * | 2012-12-07 | 2019-01-30 | Crocus Technology S.A. | Self-referenced magnetic random access memory (MRAM) and method for writing to the MRAM cell with increased reliability and reduced power consumption |
KR20150103527A (ko) | 2014-03-03 | 2015-09-11 | 에스케이하이닉스 주식회사 | 전자 장치 |
US9734850B1 (en) * | 2016-06-28 | 2017-08-15 | Western Digital Technologies, Inc. | Magnetic tunnel junction (MTJ) free layer damping reduction |
US10534047B2 (en) * | 2017-03-30 | 2020-01-14 | Qualcomm Incorporated | Tunnel magneto-resistive (TMR) sensors employing TMR devices with different magnetic field sensitivities for increased detection sensitivity |
JP2020042882A (ja) * | 2018-09-12 | 2020-03-19 | キオクシア株式会社 | 磁気メモリ |
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2002
- 2002-04-29 US US10/135,241 patent/US6794695B2/en not_active Expired - Lifetime
- 2002-12-17 TW TW091136373A patent/TW200305977A/zh unknown
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2003
- 2003-03-10 CN CNB031201474A patent/CN100397674C/zh not_active Expired - Lifetime
- 2003-04-24 EP EP03252587A patent/EP1359590B1/en not_active Expired - Lifetime
- 2003-04-24 JP JP2003120171A patent/JP2004006844A/ja not_active Withdrawn
- 2003-04-24 DE DE60301294T patent/DE60301294T2/de not_active Expired - Lifetime
- 2003-04-28 KR KR1020030026705A patent/KR100969285B1/ko active IP Right Grant
- 2003-10-30 US US10/696,991 patent/US6919594B2/en not_active Expired - Lifetime
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KR20010007425A (ko) * | 1999-06-17 | 2001-01-26 | 가네꼬 히사시 | 자기저항헤드 및 이를 이용한 자기저항검출시스템 및자기기억시스템 |
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Publication number | Publication date |
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DE60301294D1 (de) | 2005-09-22 |
CN100397674C (zh) | 2008-06-25 |
US20040090842A1 (en) | 2004-05-13 |
TW200305977A (en) | 2003-11-01 |
DE60301294T2 (de) | 2006-08-10 |
CN1455463A (zh) | 2003-11-12 |
US6794695B2 (en) | 2004-09-21 |
KR20030085496A (ko) | 2003-11-05 |
EP1359590B1 (en) | 2005-08-17 |
US6919594B2 (en) | 2005-07-19 |
US20030202375A1 (en) | 2003-10-30 |
EP1359590A1 (en) | 2003-11-05 |
JP2004006844A (ja) | 2004-01-08 |
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