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Measurement of Viscoelastic Characteristics of Liquid Bridge Formed between Tip and Nano Lubricant Films on Magnetic Disk Surface

Research Project

Project/Area Number 19760183
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Intelligent mechanics/Mechanical systems
Research InstitutionAichi Konan College

Principal Investigator

OHSHIMA Yasuji  Aichi Konan College, 教養学科, 准教授 (60293651)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,170,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥270,000)
Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2007: ¥2,000,000 (Direct Cost: ¥2,000,000)
Keywords磁気記録 / トライボロジー / ナノ薄膜 / 高分子潤滑剤 / 超高速ビデオカメラ / 紫外線照射 / 減衰振動 / マイケルソン干渉計 / 画像処理
Research Abstract

触針の大変位を測定する装置を改良して、実用されている2nm程度の磁気ディスク表面潤滑膜について、極性基の有無、分子量の違い、紫外線照射の影響に関して潤滑膜の凝着力と伸び量、ばね定数,減衰係数を測定した。極性基の存在や紫外線照射により、ディスク表面に吸着する分子が増大すると凝着力、伸び量ともに減少する傾向があること、伸び量が流動分子の量や性質に依存することを示し、超薄膜に対しても本装置が十分な測定精度があることを示した。

Report

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

    (9 results)

All 2009 2008 2007

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (7 results)

  • [Journal Article] Stiffness and Damping of Thin PFPE Lubricant Bridging Between Magnetic Disk and Diamond Probe Tip2007

    • Author(s)
      Yasunaga Mitsuya、Yasuji Ohshima、Hedong Zhang、Kei Aoyama、Toshiyuki Kawai、Kenji Fukuzawa
    • Journal Title

      Transactions of the ASME, Journal of Tribology 129

      Pages: 720-728

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Stiffness and Damping of Thin PFPE Lubricant Bridging Between Magnetic Disk and Diamond Probe Tip2007

    • Author(s)
      Yasunaga Mitsuya
    • Journal Title

      Transactions of the ASME, Journal of Tribology 129

      Pages: 720-728

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] 磁気ディスク表面における単分子潤滑膜の動的特性におよぼす紫外線照射の影響2009

    • Author(s)
      大島康司
    • Organizer
      日本機会学会2009年度年次大会
    • Place of Presentation
      岩手大学(確定)
    • Year and Date
      2009-09-14
    • Related Report
      2008 Annual Research Report
  • [Presentation] Effect of Ultraviolet Irradiation on Adhesive Force and Elongation of Monolayer Lubricant Films Coated on Magnetic Disk Surface2009

    • Author(s)
      asuji Ohshima 、Takashi Sumi 、Hedong Zhang、Yasunaga Mitsuya、Kenji Fukuzawa
    • Organizer
      MIPE2009
    • Place of Presentation
      筑波
    • Year and Date
      2009-06-18
    • Related Report
      2008 Final Research Report
  • [Presentation] Effect of Ultraviolet Irradiation on Adhesive Force and Elongation of M onolaver Lubricant Films Coated on Magnetic Disk Surface2009

    • Author(s)
      Yasuji Ohshima
    • Organizer
      Micromechatronics for Information and Precision Equipment
    • Place of Presentation
      筑波(確定)
    • Year and Date
      2009-06-18
    • Related Report
      2008 Annual Research Report
  • [Presentation] 磁気ディスク表面における単分子潤滑膜の動的特性におよぼす紫外線照射の影響2009

    • Author(s)
      大島康司、鷲見崇、星田浩貴、張賀東、福澤健二、三矢保永
    • Organizer
      日本機械学会2009年度年次大会
    • Place of Presentation
      岩手大学
    • Related Report
      2008 Final Research Report
  • [Presentation] Measurements of Vertical Elongation and Adhesive Force of Nanometers-Thick Lubricant Films on Magnetic Disks Using Micro Probe for SPM2008

    • Author(s)
      Yasuji Ohshima、Hedong Zhang、Yasunaga Mitsuya、Masayuki Watanabe、Takashi Sumi、Kenji Fukuzawa
    • Organizer
      CIST2008 & ITS-IFToMM2008 Beijing
    • Place of Presentation
      北京
    • Year and Date
      2008-09-25
    • Related Report
      2008 Final Research Report
  • [Presentation] Measurement of Vertical Elongation and Adhesive Force of Nanometers-Thick Lubricant Films on Magnetic Disks Using Micro Probe for SPM2008

    • Author(s)
      Yasuji Ohshima
    • Organizer
      China International Symposium on Tribology
    • Place of Presentation
      北京
    • Year and Date
      2008-09-25
    • Related Report
      2008 Annual Research Report
  • [Presentation] SPM用プローブを使用したナノ分子潤滑膜の伸び量と凝着力の測定2007

    • Author(s)
      大島康司、渡邊将行、鷲見崇、張賀東、福澤健二、三矢保永
    • Organizer
      日本機械学会2007年度年次大会
    • Place of Presentation
      関西大学
    • Year and Date
      2007-09-12
    • 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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