JP3906067B2 - 磁気ランダムアクセスメモリ - Google Patents

磁気ランダムアクセスメモリ Download PDF

Info

Publication number
JP3906067B2
JP3906067B2 JP2001367753A JP2001367753A JP3906067B2 JP 3906067 B2 JP3906067 B2 JP 3906067B2 JP 2001367753 A JP2001367753 A JP 2001367753A JP 2001367753 A JP2001367753 A JP 2001367753A JP 3906067 B2 JP3906067 B2 JP 3906067B2
Authority
JP
Japan
Prior art keywords
array
wiring
tmr elements
tmr
elements
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 - Fee Related
Application number
JP2001367753A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003168784A (ja
JP2003168784A5 (enExample
Inventor
健 梶山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Priority to JP2001367753A priority Critical patent/JP3906067B2/ja
Priority to TW091133714A priority patent/TWI241585B/zh
Priority to CNB021524564A priority patent/CN1242411C/zh
Priority to US10/306,404 priority patent/US6760250B2/en
Priority to KR10-2002-0075227A priority patent/KR100509528B1/ko
Publication of JP2003168784A publication Critical patent/JP2003168784A/ja
Priority to US10/847,624 priority patent/US6822896B2/en
Publication of JP2003168784A5 publication Critical patent/JP2003168784A5/ja
Application granted granted Critical
Publication of JP3906067B2 publication Critical patent/JP3906067B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/14Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
    • G11C11/15Digital 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Hall/Mr Elements (AREA)
  • Mram Or Spin Memory Techniques (AREA)
  • Semiconductor Memories (AREA)
JP2001367753A 2001-11-30 2001-11-30 磁気ランダムアクセスメモリ Expired - Fee Related JP3906067B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2001367753A JP3906067B2 (ja) 2001-11-30 2001-11-30 磁気ランダムアクセスメモリ
TW091133714A TWI241585B (en) 2001-11-30 2002-11-19 Magnetic random access memory
CNB021524564A CN1242411C (zh) 2001-11-30 2002-11-28 磁性随机访问存储器
KR10-2002-0075227A KR100509528B1 (ko) 2001-11-30 2002-11-29 자기 랜덤 액세스 메모리
US10/306,404 US6760250B2 (en) 2001-11-30 2002-11-29 Magnetic random access memory
US10/847,624 US6822896B2 (en) 2001-11-30 2004-05-18 Magnetic random access memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001367753A JP3906067B2 (ja) 2001-11-30 2001-11-30 磁気ランダムアクセスメモリ

Publications (3)

Publication Number Publication Date
JP2003168784A JP2003168784A (ja) 2003-06-13
JP2003168784A5 JP2003168784A5 (enExample) 2004-10-14
JP3906067B2 true JP3906067B2 (ja) 2007-04-18

Family

ID=19177456

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001367753A Expired - Fee Related JP3906067B2 (ja) 2001-11-30 2001-11-30 磁気ランダムアクセスメモリ

Country Status (5)

Country Link
US (2) US6760250B2 (enExample)
JP (1) JP3906067B2 (enExample)
KR (1) KR100509528B1 (enExample)
CN (1) CN1242411C (enExample)
TW (1) TWI241585B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006294191A (ja) * 2005-04-14 2006-10-26 Toshiba Corp 磁気ランダムアクセスメモリのデータ読み出し方法
US8372661B2 (en) 2007-10-31 2013-02-12 Magic Technologies, Inc. High performance MTJ element for conventional MRAM and for STT-RAM and a method for making the same
US10622047B2 (en) * 2018-03-23 2020-04-14 Taiwan Semiconductor Manufacturing Company, Ltd. Free layer structure in magnetic random access memory (MRAM) for Mo or W perpendicular magnetic anisotropy (PMA) enhancing layer
US10522752B1 (en) 2018-08-22 2019-12-31 Taiwan Semiconductor Manufacturing Company, Ltd. Magnetic layer for magnetic random access memory (MRAM) by moment enhancement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5894447A (en) * 1996-09-26 1999-04-13 Kabushiki Kaisha Toshiba Semiconductor memory device including a particular memory cell block structure
DE19853447A1 (de) 1998-11-19 2000-05-25 Siemens Ag Magnetischer Speicher
DE10020128A1 (de) * 2000-04-14 2001-10-18 Infineon Technologies Ag MRAM-Speicher
JP4149647B2 (ja) * 2000-09-28 2008-09-10 株式会社東芝 半導体記憶装置及びその製造方法
CN100358047C (zh) * 2001-11-30 2007-12-26 株式会社东芝 磁随机存取存储器
JP3875568B2 (ja) * 2002-02-05 2007-01-31 株式会社東芝 半導体装置及びその製造方法
JP4646485B2 (ja) * 2002-06-25 2011-03-09 ルネサスエレクトロニクス株式会社 薄膜磁性体記憶装置

Also Published As

Publication number Publication date
TWI241585B (en) 2005-10-11
JP2003168784A (ja) 2003-06-13
KR20030044863A (ko) 2003-06-09
KR100509528B1 (ko) 2005-08-23
CN1242411C (zh) 2006-02-15
US20040208054A1 (en) 2004-10-21
US6760250B2 (en) 2004-07-06
TW200303018A (en) 2003-08-16
US6822896B2 (en) 2004-11-23
CN1421865A (zh) 2003-06-04
US20030103378A1 (en) 2003-06-05

Similar Documents

Publication Publication Date Title
US6356477B1 (en) Cross point memory array including shared devices for blocking sneak path currents
US6807086B2 (en) Magnetic random access memory
KR100514958B1 (ko) 안정된 데이터 판독 및 기록이 실행 가능한 박막 자성체기억 장치
KR101921756B1 (ko) 반도체 장치
US6861752B2 (en) Semiconductor device having wiring line with hole, and manufacturing method thereof
JP3857658B2 (ja) 磁気ランダムアクセスメモリ
US6584011B2 (en) Magnetic random access memory
US6661689B2 (en) Semiconductor memory device
US6882563B2 (en) Magnetic memory device and method for manufacturing the same
US6424563B2 (en) MRAM memory cell
JP2011155222A (ja) 磁気ランダムアクセスメモリ
JP3906067B2 (ja) 磁気ランダムアクセスメモリ
US6781896B2 (en) MRAM semiconductor memory configuration with redundant cell arrays
JP3844117B2 (ja) メモリセル、記憶回路ブロック、データの書き込み方法及びデータの読み出し方法
JP4068337B2 (ja) 磁気ランダムアクセスメモリ
JP2004119897A (ja) 半導体記憶装置
US7142447B2 (en) Nonvolatile memory device with variable resistance element
JP4091298B2 (ja) 磁気ランダムアクセスメモリ
JP4080795B2 (ja) 磁気メモリ装置
JP2008085349A (ja) 磁気ランダムアクセスメモリ

Legal Events

Date Code Title Description
A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20060612

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060620

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060821

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20061003

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20061204

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20070109

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20070115

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110119

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120119

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130119

Year of fee payment: 6

LAPS Cancellation because of no payment of annual fees