JP2002245774A5 - - Google Patents

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Publication number
JP2002245774A5
JP2002245774A5 JP2001384427A JP2001384427A JP2002245774A5 JP 2002245774 A5 JP2002245774 A5 JP 2002245774A5 JP 2001384427 A JP2001384427 A JP 2001384427A JP 2001384427 A JP2001384427 A JP 2001384427A JP 2002245774 A5 JP2002245774 A5 JP 2002245774A5
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Japan
Prior art keywords
heating
memory element
magnetic memory
magnetic
magnetic field
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JP2001384427A
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English (en)
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JP2002245774A (ja
JP4194781B2 (ja
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Priority claimed from US09/758,757 external-priority patent/US6603678B2/en
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Publication of JP2002245774A publication Critical patent/JP2002245774A/ja
Publication of JP2002245774A5 publication Critical patent/JP2002245774A5/ja
Application granted granted Critical
Publication of JP4194781B2 publication Critical patent/JP4194781B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (25)

  1. 磁性メモリ素子に書き込む方法であって、磁性メモリ素子を加熱し、磁性メモリ素子へ少なくとも一つの磁場を加える方法。
  2. 熱と少なくとも一つの磁場が、磁性メモリ素子へ同時に加えられる請求項1に記載の方法。
  3. 磁性メモリ素子へ少なくとも一つの磁場を加える前に、熱を加え除去する請求項1に記載の方法。
  4. 加熱によって、磁性メモリ素子の温度を周囲より約10℃から50℃上昇させる請求項1に記載の方法。
  5. 加熱によって、磁性メモリ素子の温度を磁性メモリ素子のブロッキング温度の範囲内で、約50℃まで上昇させる請求項1に記載の方法。
  6. 接合から離隔して配置された導体に電流を通すことによって、接合が加熱される請求項1に記載の方法。
  7. 第1および第2の直交する場が、磁性メモリ素子に加えられる請求項1に記載の方法。
  8. 情報記憶装置であって、磁性メモリ素子からなるアレイと、前記メモリ素子のための複数の加熱素子とを備える装置。
  9. 前記加熱素子は、前記メモリ素子から離隔して配置される請求項8に記載の装置。
  10. 前記加熱素子は、前記アレイを横切って延在する加熱線に含まれる請求項8に記載の装置。
  11. 各加熱線は、前記加熱素子によって分離される導電性のラインを含む請求項10に記載の装置。
  12. 前記加熱線は、前記アレイを斜め方向に横切って延在する請求項10に記載の装置。
  13. 前記加熱線のグループは、少なくとも1つの経路を形成するために互いに接続される請求項10に記載の装置。
  14. 各グループの前記加熱線は直列に接続される請求項13に記載の装置。
  15. 電流が、各経路の一つの端部に供給されるようにするためのスイッチをさらに備える請求項14に記載の装置。
  16. 前記加熱線は、互いに連結される第1の端部を有する請求項10に記載の装置。
  17. 電流が、前記加熱線の選択された第2の端部に供給されるようにするためのスイッチをさらに備える請求項16に記載の装置。
  18. スイッチは、また前記加熱線の第2の端部を基準電位に結合する請求項17に記載の装置。
  19. スイッチによって、電流が並列に加熱線へ供給される請求項17に記載の装置。
  20. 電流が、前記加熱線の選択された端部に供給されるようにするためのスイッチをさらに備える請求項10に記載の装置。
  21. 前記加熱素子は、書込み動作中に、室温より約10℃から50℃高い温度まで、選択されたメモリ素子の温度を上昇させる請求項8に記載の装置。
  22. 前記加熱素子は、書込み動作中に、磁性メモリ素子の温度をブロッキング温度の範囲内で、約50℃まで上昇させる請求項8に記載の装置。
  23. 選択された磁気メモリ素子を切り替えるための磁場を生成する第1の手段と、磁場が加えられている間に加熱素子が選択された磁気メモリ素子に熱を加えるようにする第2の手段とをさらに備える請求項8に記載の装置。
  24. 選択された磁気メモリ素子を切り替えるための磁場を生成する第1の手段と、磁場が加えられる前に加熱素子が選択された磁気メモリ素子に熱を加えるようにする第2の手段とをさらに備える請求項8に記載の装置。
  25. 磁気記憶素子のアレイと、当該アレイの選択された磁気記憶素子の、熱を利用した切替えを行うための手段とを含む情報記憶装置。
JP2001384427A 2001-01-11 2001-12-18 熱を利用した切替えを実行する情報記憶装置 Expired - Fee Related JP4194781B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/758,757 US6603678B2 (en) 2001-01-11 2001-01-11 Thermally-assisted switching of magnetic memory elements
US09/758,757 2001-01-11

Publications (3)

Publication Number Publication Date
JP2002245774A JP2002245774A (ja) 2002-08-30
JP2002245774A5 true JP2002245774A5 (ja) 2005-05-19
JP4194781B2 JP4194781B2 (ja) 2008-12-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001384427A Expired - Fee Related JP4194781B2 (ja) 2001-01-11 2001-12-18 熱を利用した切替えを実行する情報記憶装置

Country Status (8)

Country Link
US (2) US6603678B2 (ja)
EP (1) EP1225592B1 (ja)
JP (1) JP4194781B2 (ja)
KR (2) KR20030009054A (ja)
CN (1) CN1253895C (ja)
DE (1) DE60114359T2 (ja)
HK (1) HK1048884B (ja)
TW (1) TW519644B (ja)

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