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Development of fundamental technology on fabrication of patterned media for next generation magnetic recording

Research Project

Project/Area Number 19760243
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Electron device/Electronic equipment
Research InstitutionAkita Research and Development Center

Principal Investigator

近藤 祐治  Akita Research and Development Center, 高度技術研究所, 研究員 (70390903)

Research Collaborator 千葉 隆  秋田県産業技術総合研究センター, 高度技術研究所, 主任研究員 (70370236)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,410,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥210,000)
Fiscal Year 2008: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2007: ¥2,500,000 (Direct Cost: ¥2,500,000)
Keywords磁気記録媒体 / パターン媒体 / 低エネルギーイオンエッチング / 顕微磁気円二色性 / 静磁気相互作用 / ドット間交換結合 / 超高密度磁気記 / ビットパターン媒体 / ナノドット / 電子線リソグラフィー / 反転磁界分散
Research Abstract

次世代の磁気記録装置として期待されているナノメーターサイズの磁性ドットを周期的に配列したパターン媒体作製の基盤技術を構築することを目指した.電子線露光と低エネルギーイオンによるエッチングを用いることによって,世界で初めて良好な磁気特性を有する1Tbit/in2相当の磁性ドット規則配列パターンを作製することができた.また,1Tbit/in2以上の記録密度を実現するためのパターン媒体設計指針として,ドット間を磁気的に繋げることによって,熱安定性に優れ,かつ記録しやすい媒体を実現できることを示した.

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (20 results)

All 2009 2008 2007 Other

All Journal Article (6 results) (of which Peer Reviewed: 3 results) Presentation (14 results)

  • [Journal Article] Element - specific hard X-ray micro-magnetometry of magnetic modifications in Co-Pt dots fabricated by ion etching2008

    • Author(s)
      Y. Kondo, T. Chiba, J. Ariake, K. Taguchi, M. Suzuki, M. Takagaki, N. Kawamura, B. M. Zulfakri, S. Hosaka, N. Honda
    • Journal Title

      J. Magn. Magn. Mater 320

      Pages: 3157-3160

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] "Fabrication of Co-Pt Array with 1 Tbit/in2 for Bit Patterned Media"2008

    • Author(s)
      Y. Kondo, T. Chiba, J. Ariake, K. Taguchi, M. Suzuki, N. Kawamura, B. M. Zulfakri, S. Hosaka, T. Hasegawa, S. Ishio, N. Honda
    • Journal Title

      IEICE Tech. Rep MR2008-19

      Pages: 1-6

    • Related Report
      2008 Final Research Report
  • [Journal Article] Element-specific hard X-ray micro-magnetometry of magnetic modifications in Co-Pt dots fabricated by ion etching2008

    • Author(s)
      Y.Kondo, T.Chiba, J.Ariake, K.Taguchi, M.Suzuki, M.Takagaki, N.Kawamura,B.M.Zulfakri, S.Hosaka, N.Honda
    • Journal Title

      J.Magn.Magn.Mater. 320

      Pages: 3157-3160

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Fabrication of Co-Pt Array with 1 Tbit/in2 for Bit Patterned Media2008

    • Author(s)
      Y.Kondo, T.Chiba,J .Ariake, K.Taguchi, M.Suzuki, N.Kawamura, B.M.Zulfakri, S.Hosaka, T.Hasegawa, S.Ishio, N.Honda
    • Journal Title

      IEICE Tech.Rep MR2008-19

      Pages: 1-6

    • Related Report
      2008 Annual Research Report
  • [Journal Article] Micro-XMCD of CoPt Dots Prepared by Using Ga Ions2007

    • Author(s)
      Y. Kondo, T. Chiba, J. Ariake, M. Suzuki, M. Takagaki, N. Kawamura, N. Honda
    • Journal Title

      IEICE Tech. Rep MR2007-1

      Pages: 1-5

    • NAID

      40015522587

    • Related Report
      2008 Final Research Report
  • [Journal Article] Element-Specific Hard X-ray Micro-Magnetometry of Magnetic Modifications in Co-Pt Dots Fabricated by Ion Etching

    • Author(s)
      Y. Kondo, et. al.
    • Journal Title

      Journal of Magnetism and Magnetic Mterials to be published

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Exchange coupled magnetic dot arrays for next generation bit patterned media2009

    • Author(s)
      Y. Kondo, J. Ariake, T. Chiba, K. Taguchi, M. Suzuki, N. Kawamura, N. Honda
    • Organizer
      IEEE International Magnetics Conference (Intermag 2009)
    • Place of Presentation
      Sacramento
    • Year and Date
      2009-05-06
    • Related Report
      2008 Final Research Report
  • [Presentation] Fabrication and process issues of bit patterned media for 1 Tbit/in2 regime2009

    • Author(s)
      J. Ariake, Y. Kondo, T. Hasegawa, S. Ishio, N. Honda
    • Organizer
      IEEE International Magnetics Conference (Intermag 2009)
    • Place of Presentation
      Sacramento
    • Year and Date
      2009-05-06
    • Related Report
      2008 Final Research Report
  • [Presentation] Exchange coupled magnetic dot arrays for next generation bit patterned media2009

    • Author(s)
      Y.Kondo, J.Ariake, T.Chiba, K.Taguchi, M.Suzuki, N.Kawamura, N.Honda
    • Organizer
      Intermag2009
    • Place of Presentation
      サクラメント(アメリカ)
    • Year and Date
      2009-05-06
    • Related Report
      2008 Annual Research Report
  • [Presentation] Fabrication and process issues of bit patterned media for 1 Tbit/in^2 regime2009

    • Author(s)
      J.Ariake, Y.Kondo, T.Hasegawa, S.Ishio, N.Honda
    • Organizer
      Intermag2009
    • Place of Presentation
      サクラメント(アメリカ)
    • Year and Date
      2009-05-06
    • Related Report
      2008 Annual Research Report
  • [Presentation] ビットパターン媒体用1Tbit/in2級Co-Ptドットアレイの作製と磁気特性評価2009

    • Author(s)
      近藤祐治, 有明順, 千葉隆, 田口香, 鈴木基寛, 河村直己, 長谷川崇, 石尾俊二, 本多直樹
    • Organizer
      2009年春季第56回応用物理学関係連合講演会
    • Place of Presentation
      つくば市
    • Year and Date
      2009-03-30
    • Related Report
      2008 Final Research Report
  • [Presentation] ビットパターン媒体用1Tbit/in2級Co-Pt磁性ドットアレイの作製と磁気特性評価2009

    • Author(s)
      近藤祐治, 有明順, 千葉隆, 田口香, 鈴木基寛, 河村直己, 長谷川崇, 石尾俊二, 本多直樹
    • Organizer
      日本応用物理学会
    • Place of Presentation
      つくば市
    • Year and Date
      2009-03-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] 「ビットパターン媒体用1Tbit/in2級Co-Ptドットアレイの作製」2008

    • Author(s)
      近藤祐治, 千葉隆, 有明順, 田口香, 鈴木基寛, 河村直己, B. M. Zulfakri, 保坂純男,長谷川崇, 石尾俊二, 本多直樹
    • Organizer
      電子情報通信学会磁気記録・情報ストレージ研究会
    • Place of Presentation
      秋田市
    • Year and Date
      2008-12-19
    • Related Report
      2008 Final Research Report
  • [Presentation] 磁気記録媒体の微細加工(依頼講演)2008

    • Author(s)
      近藤祐治
    • Organizer
      電子情報通信学会東北支部「専門講習会」
    • Place of Presentation
      秋田市
    • Year and Date
      2008-12-19
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 電子線描画とArイオンミリングにより作製したCo-Pt磁性ドットの磁気特性評価2008

    • Author(s)
      近藤祐治, 千葉隆, B. M. Zulfakri, 有明順,田口香, 鈴木基寛, 河村直己, 保坂純男,本多直樹
    • Organizer
      2008年春季第55回応用物理学関係連合講演会
    • Place of Presentation
      船橋市
    • Year and Date
      2008-03-27
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] 次世代磁気記録用パターン媒体における顕微磁気円二色性を用いた微小磁気測定2008

    • Author(s)
      近藤祐治, 鈴木基寛, 有明順, 千葉隆, 高垣昌史, 河村直己, 本多直樹
    • Organizer
      第12回日本放射光学会年会・放射光科学合同シンポジウム
    • Place of Presentation
      草津市
    • Year and Date
      2008-01-14
    • Related Report
      2008 Final Research Report
  • [Presentation] 次世代磁気記録用パターン媒体における顕微磁気円二色性を用いた微小磁気測定2008

    • Author(s)
      近藤祐治, ら
    • Organizer
      第21回日本放射光学会年会・放射光科学シンポジウム
    • Place of Presentation
      草津市
    • Year and Date
      2008-01-14
    • Related Report
      2007 Annual Research Report
  • [Presentation] Element - specific hard X-ray micro-magnetometry of magnetic modifications in Co-Pt dots by Ga ion2007

    • Author(s)
      Y. Kondo, T. Chiba, J. Ariake, M. Suzuki, M. Takagaki, N. Kawamura, N. Honda
    • Organizer
      The Eighth Perpendicular Magnetic Recording Conference (PMRC2007)
    • Place of Presentation
      Tokyo
    • Year and Date
      2007-10-17
    • Related Report
      2008 Final Research Report
  • [Presentation] Element-Specific Hard X-ray Micro-Magnetometry of Magnetic Modifications in Co-Pt Dots by Ga Ions2007

    • Author(s)
      Y. Kondo, et. al.
    • Organizer
      The Eighth Perpendicular Magnetic Recording Conference (PMRC2007)
    • Place of Presentation
      Tokyo, JAPAN
    • Year and Date
      2007-10-17
    • Related Report
      2007 Annual Research Report
  • [Presentation] Gaイオンを用いて作製したCoPtドットのmicro-XMCDによる磁気特性評価2007

    • Author(s)
      近藤祐治, 千葉隆, 有明順, 鈴木基寛, 高垣昌史, 河村直己, 本多直樹
    • Organizer
      電子情報通信学会磁気記録・情報ストレージ研究会
    • Place of Presentation
      仙台市
    • Year and Date
      2007-06-07
    • Related Report
      2008 Final Research Report 2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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