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Development of mechanical + chemical hybrid manufacturing technology of sapphire crystal wafer

Research Project

Project/Area Number 15H02213
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Production engineering/Processing studies
Research InstitutionIbaraki University

Principal Investigator

ZHOU LIBO  茨城大学, 理工学研究科(工学野), 教授 (90235705)

Co-Investigator(Kenkyū-buntansha) 清水 淳  茨城大学, 理工学研究科(工学野), 教授 (40292479)
山本 武幸  茨城大学, 理工学研究科(工学野), 技術職員 (40396594)
小貫 哲平  茨城大学, 理工学研究科(工学野), 准教授 (70400447)
尾嶌 裕隆  茨城大学, 理工学研究科(工学野), 准教授 (90375361)
Project Period (FY) 2015-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥43,030,000 (Direct Cost: ¥33,100,000、Indirect Cost: ¥9,930,000)
Fiscal Year 2018: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2017: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
Fiscal Year 2016: ¥27,950,000 (Direct Cost: ¥21,500,000、Indirect Cost: ¥6,450,000)
Fiscal Year 2015: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Keywords切削・研削加工 / CMG / サファイア / ハイブリッド加工 / 切削・研削加 / サファイ / ハイブリッド加工法 / 加工変質層 / ハイブリッド化工法 / 加工変質法 / サファイア単結晶 / ハイブリッド送り機構 / Defect free / サファイヤ単結晶 / 表面粗さ
Outline of Final Research Achievements

Mono-crystal sapphire (α-Al2O3) is a multi-functional material with excellent physical and chemical properties and has been widely applied in optical and electronic products such as light emitting diodes (LEDs) and cover-glass for mobile devices. However, α-Al2O3 is very difficult to be finished because of its "excellent" physical strength and chemical stability.
This study has developed the fixed-abrasive CMG (Chemo-mechanical-grinding) process by integrating both chemical reaction and mechanical grinding into a one-stop process, which shows advantages in finishing efficiency, geometric controllability, and waste disposal. The research project involves manufacturing process development of BAP (binder-free abrasive pellets) for CMG wheel, elucidation of the removal mechanism of sapphire based on its material property, and related metrology methods for remote monitoring of process and evaluation of the sub-surface damage of processed sapphire wafers.

Academic Significance and Societal Importance of the Research Achievements

現行の硬脆材料の超精密加工技術体系は,延性モード除去メカニズムに基づいて構築されている.延性モードでは転位発生,増殖により加工変質層が必ず形成され,その応力と結晶歪みによりその上に成長するエピ層の電子特性が大きく劣化する.
本研究では,機械加工に化学反応を融合したハイブリッドプロセスを開発した.超精密・高精度である機械加工の特長を継承しながら,従来の応力場での材料除去と異なり,表面と亜表面に原子配列を乱すことなく,完全表面の生成が可能である.この異種相互補完加工技術の融合により,現在の加工技術のブレークスルーだけでなく,学術面においても被削材の化学物理特性を生かした新加工技術の基盤が構築できる.

Report

(5 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Annual Research Report
  • 2016 Annual Research Report
  • 2015 Annual Research Report
  • Research Products

    (46 results)

All 2019 2018 2017 2016 2015 Other

All Journal Article (15 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 15 results,  Open Access: 7 results,  Acknowledgement Compliant: 3 results) Presentation (27 results) (of which Int'l Joint Research: 21 results) Remarks (4 results)

  • [Journal Article] Study on mechanism of rotary in-feed face grinding2019

    • Author(s)
      石橋憲,月井裕太,蛯名雄太郎,周立波,清水淳,小貫哲平,山本武幸, 尾嶌裕隆
    • Journal Title

      Journal of the Japan Society for Abrasive Technology

      Volume: 63 Issue: 1 Pages: 31-35

    • DOI

      10.11420/jsat.63.31

    • NAID

      130007670937

    • ISSN
      0914-2703, 1880-7534
    • Year and Date
      2019-01-01
    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Investigation of the Effect of Grain Size Variation on Ground Wafer Surface by Grinding Experiment/Simulation2018

    • Author(s)
      蛯名 雄太郎, 前崎 智博, 周 立波, 清水 淳, 小貫 哲平, 尾嶌 裕隆, 乾 正知
    • Journal Title

      Journal of the Japan Society for Precision Engineering

      Volume: 84 Issue: 7 Pages: 640-645

    • DOI

      10.2493/jjspe.84.640

    • NAID

      130007393958

    • ISSN
      0912-0289, 1882-675X
    • Year and Date
      2018-07-05
    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Study on the finishing capability and abrasives-sapphire interaction in dry chemo-mechanical-grinding (CMG) process2018

    • Author(s)
      Wu Ke、Zhou Libo、Onuki Teppei、Shimizu Jun、Yamamoto Takeyuki、Yuan Julong
    • Journal Title

      Precision Engineering

      Volume: 52 Pages: 451-457

    • DOI

      10.1016/j.precisioneng.2018.02.007

    • Related Report
      2018 Annual Research Report 2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Theoretical analysis on effects of grain size variation2017

    • Author(s)
      Zhou Libo、Ebina Yutaro、Wu Ke、Shimizu Jun、Onuki Teppei、Ojima Hirotaka
    • Journal Title

      Precision Engineering

      Volume: 50 Pages: 27-31

    • DOI

      10.1016/j.precisioneng.2017.04.010

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Evaluation of Subsurface Damage in Silicon Wafer Based on Deflection Analysis2017

    • Author(s)
      髙橋清樹、周 立波、清水 淳
    • Journal Title

      Journal of the Japan Society for Precision Engineering

      Volume: 83 Issue: 5 Pages: 426-432

    • DOI

      10.2493/jjspe.83.426

    • NAID

      130005645845

    • ISSN
      0912-0289, 1882-675X
    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Theoretical analysis on effects of grain size variation2017

    • Author(s)
      Libo Zhou, Yutaro Ebina1, Ke Wu, Jun Shimizu, Teppei Onuki
    • Journal Title

      Precision Engineering

      Volume: 印刷中

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] シリコンウェハ変形による加工変質層残留応力の評価 -有限要素法を用いた数値シミュレーションによるウェハ変形メカニズム解明-2017

    • Author(s)
      髙橋清樹,周 立波,清水 淳
    • Journal Title

      精密工学会誌

      Volume: 5

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Study on the potential of chemo-mechanical-grinding (CMG) process of sapphire wafer2017

    • Author(s)
      Ke Wu, Libo Zhou, Jun Shimizu, Teppei Onuki, Takeyuki Yamamoto, Hirotaka Ojima and Julong Yuan
    • Journal Title

      The International Journal of Advanced Manufacturing Technology

      Volume: 90 Issue: 5-8 Pages: 1-8

    • DOI

      10.1007/s00170-016-9836-1

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Research on Development of On-Machine 3D Measuring System of Grinding Wheel Surface Topography by Stereo Images2016

    • Author(s)
      尾嶌裕隆,長山拓矢,周 立波,清水 淳,小貫哲平
    • Journal Title

      Journal of the Japan Society for Precision Engineering

      Volume: 82 Issue: 2 Pages: 186-191

    • DOI

      10.2493/jjspe.82.186

    • NAID

      130005124397

    • ISSN
      0912-0289, 1882-675X
    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Study on grinding of LiTaO3 wafer using effective cooling andelectrolyte solution2016

    • Author(s)
      Wei Hang, Libo Zhou, Kehua Zhang, Jun Shimizu, Julong Yuan
    • Journal Title

      Precision Engineering

      Volume: 4 Pages: 62-69

    • DOI

      10.1016/j.precisioneng.2015.10.001

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Research on Chemo-Mechanical-Grinding (CMG) of Si wafer2015

    • Author(s)
      田代芳章,周 立波,清水 淳,篠田知顕,三上祐樹
    • Journal Title

      Journal of the Japan Society for Precision Engineering

      Volume: 81 Issue: 10 Pages: 957-962

    • DOI

      10.2493/jjspe.81.957

    • NAID

      130005100542

    • ISSN
      0912-0289, 1882-675X
    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Process study on large-size silicon wafer grinding by using a small-diameter wheel2015

    • Author(s)
      Yutaro EBINA, Tomoya YOSHIMATSU, Libo ZHOU, Jun SHIMIZU, Teppei ONUKI, Hirotaka OJIMA
    • Journal Title

      Journal of Advanced Mechanical Design, Systems, and Manufacturing

      Volume: 9 Issue: 5 Pages: JAMDSM0073-JAMDSM0073

    • DOI

      10.1299/jamdsm.2015jamdsm0073

    • NAID

      130005130435

    • ISSN
      1881-3054
    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Wide range and accurate measurement of wafer thickness gauge using optical spectral analyzer2015

    • Author(s)
      Teppei Onuki, Yutaro Ebina, Hirotaka Ojima, Jun Shimizu, Libo Zhou
    • Journal Title

      Applied Mechanics and Materials

      Volume: 1136 Pages: 581-585

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Study on Sapphire Wafer Grinding by Chromium Oxide (Cr2O3) Wheel2015

    • Author(s)
      Ke Wu, Naoki Yamazaki, Yutaro Ebina, Libo Zhou, Jun Shimizu, Teppei Onuki, Hirotaka Ojima, Takashi Fujiwara
    • Journal Title

      Applied Mechanics and Materials

      Volume: 1136 Pages: 311-316

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Molecular Dynamics Simulation of a Cutting Method by Making Use of Localized Hydrostatic Pressure2015

    • Author(s)
      Jun Shimizu, Keito Uezaki, Libo Zhou, Takeyuki Yamamoto, Teppei Onuki, Hirotaka Ojima
    • Journal Title

      Applied Mechanics and Materials

      Volume: 1136 Pages: 156-161

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] 顕微Raman断層計測によるサファイア研削面損傷の評価2019

    • Author(s)
      管駿輔, 小貫哲平, 尾嶌裕隆, 清水淳, 周立波
    • Organizer
      先進テクノフェアATF(Advanced Technology Fair)2019
    • Related Report
      2018 Annual Research Report
  • [Presentation] Development of high efficiency CMG pellets for finishing mono-crystal sapphire2018

    • Author(s)
      Jianbin Wang, Tomohito Maezaki, Teppei Onuki, Hirotaka Ojima, Takeyuki Yamamoto, Jun Shimizu, Libo Zhou
    • Organizer
      The 21st International Symposium on Advances in Abrasive Technology (ISAAT2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Geometric Simulation of Infeed Grinding Process of Silicon Wafer Using GPU2018

    • Author(s)
      Masatomo INUI, Yutaro Ebina, Tomohiro Maezaki, Libo Zhou
    • Organizer
      14th IEEE International Conference on Automation Science and Engineering (CASE 2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Comparative investigation of subsurface damages induced on sapphire with different machining methods using micro Raman spectroscopy2018

    • Author(s)
      Teppei Onuki, Ke Wu, Kazuki Kamoshida, Piao Lin, Nao Sugano, Hirotaka Ojima, Jun Shimizu, Libo Zhou
    • Organizer
      The 21st International Symposium on Advances in Abrasive Technology (ISAAT2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Investigation on high temperature grinding of mono-crystal sapphire wafer2018

    • Author(s)
      Nao Sugano, Libo Zhou, Jun Shimizu, Hirotaka Ojima, Ken Ishibashi, Mituru Kaneyasu
    • Organizer
      The 17th International Conference on Precision Engineering (ICPE2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Cross-sectional measurement of laser damage in sapphire using confocal micro Raman spectrometer2018

    • Author(s)
      Teppei Onuki, Kazuki Kamoshida, Takeyuki Yamamoto, Hirotaka Ojima, Jun Shimizu, Libo Zhou
    • Organizer
      The 17th International Conference on Precision Engineering (ICPE2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] サファイアウエハの研削メカニズムに関する研究―盛り上がり係数が除去モードに及ぼす影響―2018

    • Author(s)
      長谷川滉輔, 菅野直, 周立波, 清水淳, 小貫哲平, 尾嶌裕隆
    • Organizer
      第26回茨城講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] ロータリー型インフィード平面研削メカニズムに関する研究-無線式動力計の開発と研削抵抗の評価-2018

    • Author(s)
      石橋 憲, 月井裕太, 蛯名雄太郎, 周 立波, 清水 淳, 山本武幸, 小貫哲平, 尾嶌裕隆
    • Organizer
      2018年度砥粒加工学会学術講演会(ABTEC2018)
    • Related Report
      2018 Annual Research Report
  • [Presentation] C面サファイア基板のナノ引っかきに関する研究-hcp金属のナノ引っかきシミュレーションによる変形挙動の解析-2018

    • Author(s)
      林旺票, 清水淳, 周立波, 小貫哲平, 尾嶌裕隆, 山本武幸, 矢野直彦
    • Organizer
      2018年度砥粒加工学会学術講演会(ABTEC2018)
    • Related Report
      2018 Annual Research Report
  • [Presentation] サファイアへの深部レーザ加工の検討2018

    • Author(s)
      小貫哲平, 尾嶌裕隆, 清水 淳, 周 立波
    • Organizer
      2018年度精密工学会秋季大会学術講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 単結晶サファイアウエハの湿式・乾式研削の比較2018

    • Author(s)
      前崎智博, Wang Jianbin, 周 立波, 清水 淳, 小貫哲平, 尾嶌裕隆
    • Organizer
      2018年度精密工学会秋季大会学術講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Study on Nanoscratching of C-plane Sapphire Wafer2017

    • Author(s)
      Wangpiao Lin, Jun Shimizu, Libo Zhou, Teppei Onuki, Hirotaka Ojima and Takeyuki Yamamoto
    • Organizer
      20th International Symposium on Advances in Abrasive Technology (ISAAT2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Raman analysis of machining qualities on ground surfaces of sapphire wafers2017

    • Author(s)
      Teppei Onuki, Ke Wu, Nao Sugano, Hirotaka Ojima, Jun Shimizu1 and Libo Zhou
    • Organizer
      20th International Symposium on Advances in Abrasive Technology (ISAAT2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Development of wireless dynamometer for rotary infeed surface grinding2017

    • Author(s)
      Yuta Tsukii, Libo Zhou, Hirotaka Ojima, Jun Shimizu and Teppei Onuki
    • Organizer
      20th International Symposium on Advances in Abrasive Technology (ISAAT2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Study on the Effect of Grain Size Variation on Ground Surface Roughness2017

    • Author(s)
      Tomohiro Maezaki, Jun Shimizu, Teppei Onuki, Hirotaka Ojima, Masatomo Inui, Yutaro Ebina and Libo Zhou
    • Organizer
      7th International Conference of Asian Society for Precision Engineering and Nanotechnology (ASPEN2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] The development of hybrid-feed system and technology of CFRP machining2017

    • Author(s)
      Daisuke Takenouchi, Hirotaka Ojima, Libo Zhou, Teppei Onuki, Jun Shimizu
    • Organizer
      9th International Conference on Leading Edge Manufacturing in 21st Century (LEM21)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Analysis of variance in optical inspections of wafer thickness2017

    • Author(s)
      Teppei Onuki, Hirotaka Ojima, Jun Shimizu and Libo Zhou
    • Organizer
      9th International Conference on Leading Edge Manufacturing in 21st Century (LEM21)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Error characteristics analyses in optical wafer-thickness measurements2016

    • Author(s)
      Teppei ONUKI, Yuki NEMOTO, Hirotaka OJIMA, Jun SHIMIZU, Libo ZHOU
    • Organizer
      16th International Conference on Precision Engineering (ICPE2016)
    • Place of Presentation
      Hamamatsu/Japan
    • Year and Date
      2016-11-14
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Stress analysis of LT wafer during grinding process2016

    • Author(s)
      Wentong LU, Libo ZHOU, Jun SHIMIZU, Teppei ONUKI, Hirotaka OJIMA, Takeyuki YAMAMOTO
    • Organizer
      16th International Conference on Precision Engineering (ICPE2016)
    • Place of Presentation
      Hamamatsu/Japan
    • Year and Date
      2016-11-14
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Theoretical analysis on effects of grain size variation2016

    • Author(s)
      Libo Zhou, Yutaro Ebina, Ke Wu, Jun Shimizu, Teppei Onuki, Hirotaka Ojima
    • Organizer
      19th International Symposium on Advances in Abrasive Technology (ISAAT2016)
    • Place of Presentation
      Stockholm/Sweden
    • Year and Date
      2016-10-02
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Effects of ultrasonic vibration on abrasive pellet working life for Si wafer using ultrasonic assisted fixed abrasive chemical mechanical polishing(UF-CMP)2015

    • Author(s)
      Mitsuyoshi Nomura, Yutaka Matsushima, Yongbo Wu, Masakazu Fujimoto, Zhou Libo
    • Organizer
      The 8th International Conference on Leading Edge Manufacturing in 21st Century (LEM21)
    • Place of Presentation
      Kyoto, Japan
    • Year and Date
      2015-10-18
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Molecular dynamics simulation of relationship between friction anisotropy and atomic-scale stick-slip phenomenon2015

    • Author(s)
      Jun Shimizu, Libo Zhou, Teppei Onuki, Hirotaka Ojima, Takeyuki Yamamoto
    • Organizer
      The 8th International Conference on Leading Edge Manufacturing in 21st Century (LEM21)
    • Place of Presentation
      Kyoto, Japan
    • Year and Date
      2015-10-18
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Study on the Effects of Chemical Agents and Environment on Material Removal Rate in Sapphire Polishing2015

    • Author(s)
      Ke Wu, Naoki Yamazaki, Libo Zhou, Jun Shimizu, Teppei Onuki, Hirotaka Ojima
    • Organizer
      The 8th International Conference on Leading Edge Manufacturing in 21st Century (LEM21)
    • Place of Presentation
      Kyoto, Japan
    • Year and Date
      2015-10-18
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Machining quality controls in ultrashort pulse laser micromachining on lithium Niobate substrates2015

    • Author(s)
      Teppei Onuki, Hirotaka Ojima, Jun Shimizu, Libo Zhou, Itaru Takahama, Kazuki Kamoshida
    • Organizer
      he 8th International Conference on Leading Edge Manufacturing in 21st Century (LEM21)
    • Place of Presentation
      Kyoto, Japan
    • Year and Date
      2015-10-18
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Surface Texturing by Using Vibration-assisted Microscratching2015

    • Author(s)
      Jun Shimizu, Takeyuki Yamamoto, Teppei Onuki, Hirotaka Ojima, Libo Zhou
    • Organizer
      International Tribology Conference (ITC) 2015
    • Place of Presentation
      Tokyo, Japan
    • Year and Date
      2015-06-16
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Molecular Dynamics Simulation of Cutting Process Accompanied by a Localized Compressive Hydrostatic Stress Field Formation2015

    • Author(s)
      Keito Uezaki, Jun Shimizu, Libo Zhou, Takeyuki Yamamoto, Teppei Onuki, Hirotaka Ojima
    • Organizer
      International Tribology Conference (ITC) 2015
    • Place of Presentation
      Tokyo, Japan
    • Year and Date
      2015-06-16
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Development of Microtextured Titanium Dioxide Surface by Using Microcutting Techniques2015

    • Author(s)
      Jun Shimizu, Takeyuki Yamamoto, Libo Zhou, Teppei Onuki, Hirotaka Ojima
    • Organizer
      The 11th International Conference on Ceramic Materials and Components for Energy and Environmental Applications (CMCEE)
    • Place of Presentation
      Vancouver, Canada
    • Year and Date
      2015-06-14
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Remarks] Nano-Engineering Laboratory

    • URL

      https://sites.google.com/site/nlabibarakiuniv/

    • Related Report
      2018 Annual Research Report 2017 Annual Research Report
  • [Remarks] nLab研究室

    • URL

      https://sites.google.com/site/nlabibarakiuniv/

    • Related Report
      2016 Annual Research Report
  • [Remarks] 茨城大学工学部教員紹介

    • URL

      https://info.ibaraki.ac.jp/Profiles/1/0000075/profile.html

    • Related Report
      2016 Annual Research Report
  • [Remarks] Nano-Engineering Lab (nLab)

    • URL

      https://sites.google.com/site/nlabibarakiuniv/

    • Related Report
      2015 Annual Research Report

URL: 

Published: 2015-04-16   Modified: 2020-03-30  

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