Research History 1
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2021/04 - Present大阪大学大学院工学研究科 物理学系専攻 助教
大阪大学大学院 工学研究科 精密科学・応用物理学専攻
2018/04 - 2021/03
公益社団法人精密工学会 広報・情報部会 広報委員 Academic society
2025/04 - Present
公益社団法人 精密工学会 若手先導的会員(精密学会アフィリエイト)
2023/03 - Present
Manufacturing technology (mechanical, electrical/electronic, chemical engineering) / Manufacturing and production engineering / chemical polishing
JSPE Best Paper Award
2025/03
アドバンスト・ベストプレゼンテーション賞(2023年度精密工学会秋季大会学術講演会)
精密工学会 2023/11
精密工学会技術奨励賞
精密工学会 2022/09
アドバンスト・ベストプレゼンテーション賞(2021年度精密工学会秋季大会学術講演会)
精密工学会 2021/09
ベストプレゼンテーション賞
2015年度精密工学会秋季大会学術講演会 2015/09
Fabrication of YAG ceramics surface without damage and grain boundary steps using catalyzed chemical wet etching
Daisetsu Toh, Kiyoto Kayao, Kazuto Yamauchi, Yasuhisa Sano
CIRP Journal of Manufacturing Science and Technology Vol. 47 p. 1-6 2023/12 Research paper (scientific journal)
Publisher: Elsevier BVDicing Process for 4H-SiC Wafers by Plasma Etching Using High-Pressure SF<sub>6</sub> Plasma with Metal Masks
Yasuhisa Sano, Yuma Nakanishi, Masaaki Oshima, Shunto Iden, Jumpei Yamada, Daisetsu Toh, Kazuto Yamauchi
Materials Science Forum Vol. 1124 p. 51-55 2024/08/21 Research paper (scientific journal)
Publisher: Trans Tech Publications, Ltd.Ultra-precision smooth surface on polymer material prepared by catalyst-referred etching
D. Toh, K. Takeda, K. Kayao, Y. Ohkubo, K. Yamauchi, Y. Sano
International Journal of Automation Technology Vol. 18 No. 2 p. 240-247 2024/03/05 Research paper (scientific journal)
High-pressure plasma etching up to 9 atm toward uniform processing inside narrow grooves of high-precision X-ray crystal optics
Shotaro Matsumura, Iori Ogasahara, Masafumi Miyake, Taito Osaka, Daisetsu Toh, Jumpei Yamada, Makina YABASHI, Kazuto Yamauchi, Yasuhisa Sano
Applied Physics Express 2023/12/02 Research paper (scientific journal)
Publisher: IOP PublishingCatalyst enhancement approach for improving the removal rate and stability of silica glass polishing via catalyzed chemical etching in pure water
Daisetsu Toh, Kiyoto Kayao, Pho Van Bui, Kouji Inagaki, Yoshitada Morikawa, Kazuto Yamauchi, Yasuhisa Sano
Precision Engineering Vol. 84 p. 21-27 2023/11 Research paper (scientific journal)
Publisher: Elsevier BVBias-assisted photoelectrochemical planarization of GaN (0001) with impurity concentration distribution
D. Toh, K. Kayao, R. Ohnishi, A. I. Osaka, K. Yamauchi, Y. Sano
AIP Advances Vol. 13 No. 9 2023/09/01 Research paper (scientific journal)
Publisher: AIP PublishingRole of Photoelectrochemical Oxidation in Enabling High-Efficiency Polishing of Gallium Nitride
Kiyoto Kayao, Daisetsu Toh, Kazuto Yamauchi, Yasuhisa Sano
ECS Journal of Solid State Science and Technology Vol. 12 No. 6 p. 063005-063005 2023/06/01 Research paper (scientific journal)
Publisher: The Electrochemical SocietyHigh-Speed Plasma Etching of Gallium Oxide Substrates Using Atmospheric-Pressure Plasma with Hydrogen-Helium Mixed Gas
Yasuhisa Sano, Taiki Sai, Genta Nakaue, Daisetsu Toh, Kazuto Yamauchi
Solid State Phenomena Vol. 342 p. 69-72 2023/05/25 Research paper (scientific journal)
Publisher: Trans Tech Publications, Ltd.High-speed etching of gallium nitride substrate using hydrogen-contained atmospheric-pressure plasma
Yasuhisa Sano, Genta Nakaue, Daisetsu Toh, Jumpei Yamada, Kazuto Yamauchi
Applied Physics Express Vol. 16 No. 4 p. 045504-045504 2023/04/01 Research paper (scientific journal)
Publisher: IOP PublishingHigh-throughput deterministic plasma etching using array-type plasma generator system
Yasuhisa Sano, Ken Nishida, Ryohei Asada, Shinya Okayama, Daisetsu Toh, Satoshi Matsuyama, Kazuto Yamauchi
Review of Scientific Instruments Vol. 92 No. 12 p. 125107-125107 2021/12/01 Research paper (scientific journal)
Publisher: AIP PublishingNondeteriorating Verwey Transition in 50 nm Thick Fe<inf>3</inf>O<inf>4</inf>Films by Virtue of Atomically Flattened MgO Substrates: Implications for Magnetoresistive Devices
Ai I. Osaka, Daisetsu Toh, Kazuto Yamauchi, Ken Hattori, Xiaoqian Shi, Fangzhun Guo, Hidekazu Tanaka, Azusa N. Hattori
ACS Applied Nano Materials Vol. 4 No. 11 p. 12091-12097 2021/11/26 Research paper (scientific journal)
Photoelectrochemical oxidation assisted catalyst-referred etching for sic (0001) surface
Daisetsu Toh, Pho Van Bui, Kazuto Yamauchi, Yasuhisa Sano
International Journal of Automation Technology Vol. 15 No. 1 p. 74-79 2021 Research paper (scientific journal)
High surface laser-induced damage threshold of SrB<inf>4</inf>O<inf>7</inf>single crystals under 266-nm (DUV) laser irradiation
Yasunori Tanaka, Ryota Murai, Yoshinori Takahashi, Tsuyoshi Sugita, Daisetsu Toh, Kazuto Yamauchi, Sora Aikawa, Haruki Marui, Yuji Umeda, Yusuke Funamoto, Tomosumi Kamimura, Melvin John F. Empizo, Masayuki Imanishi, Yusuke Mori, Masashi Yoshimura
Optics Express Vol. 28 No. 20 p. 29239-29244 2020/09 Research paper (scientific journal)
An abrasive-free chemical polishing method assisted by nickel catalyst generated by in situ electrochemical plating
Daisetsu Toh, Pho Van Bui, Ai Isohashi, Satoshi Matsuyama, Kazuto Yamauchi, Yasuhisa Sano
Review of Scientific Instruments Vol. 91 No. 4 2020/04 Research paper (scientific journal)
Atomically smooth Si surface planarized using a thin film catalyst in pure water
Pho van Bui, Daisetsu Toh, Shinsaku Shiroma, Taku Hagiwara, Ai Isohashi Osaka, Satoshi Matsuyama, Yasuhisa Sano, Kazuto Yamauchi
Proceedings of the 20th International Conference of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2020 p. 43-44 2020 Research paper (international conference proceedings)
Catalyzed chemical polishing of SiO <inf>2</inf> glasses in pure water
Daisetsu Toh, Pho Van Bui, Ai Isohashi, Naotaka Kidani, Satoshi Matsuyama, Yasuhisa Sano, Yoshitada Morikawa, Kazuto Yamauchi
Review of Scientific Instruments Vol. 90 No. 4 2019/04 Research paper (scientific journal)
High-efficiency SiC polishing using a thin film catalyst in pure water
Pho Van Bui, Daisetsu Toh, Satoshi Matsuyama, Yasuhisa Sano, Kazuto Yamauchi
European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 19th International Conference and Exhibition, EUSPEN 2019 p. 50-51 2019 Research paper (international conference proceedings)
High-efficiency planarization of SIC wafers by water-CARE (Catalyst-referred etching) employing photoelectrochemical oxidation
H. Kida, D. Toh, P. V. Bui, A. Isohashi, R. Ohnishi, S. Matsuyama, K. Yamauchi, Y. Sano
Materials Science Forum Vol. 963 MSF p. 525-529 2019 Research paper (international conference proceedings)
Development of an abrasive-free polishing method for optical material using pure water and Ni catalyst
Daisetsu Toh, Ryosuke Ohnishi, Pho V. Bui, Ai Isohsahi, Satoshi Matsuyama, Yasuhisa Sano, Kazuto Yamauchi
Proceedings - 34th ASPE Annual Meeting p. 474-477 2019 Research paper (international conference proceedings)
High-efficiency planarization of GaN wafer by catalyst-referred etching with positive-biased photo-electrochemical oxidation
Ryosuke Ohnishi, Daisetsu Toh, Satoshi Matsuyama, Ai Isohashi, Yasuhisa Sano, Kazuto Yamauchi
Proceedings - 34th ASPE Annual Meeting p. 79-83 2019 Research paper (international conference proceedings)
Platinum-catalyzed hydrolysis etching of SiC in water: A density functional theory study
Pho Van Bui, Daisetsu Toh, Ai Isohashi, Satoshi Matsuyama, Kouji Inagaki, Yasuhisa Sano, Kazuto Yamauchi, Yoshitada Morikawa
Japanese Journal of Applied Physics Vol. 57 No. 5 2018/05 Research paper (scientific journal)
High-efficiency planarization of SiC in pure water using a thin film catalyst
Pho Van Bui, Yuta Nakahira, Daisetsu Toh, Satoshi Matsuyama, Yasuhisa Sano, Kazuto Yamauchi
European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 18th International Conference and Exhibition, EUSPEN 2018 p. 433-434 2018 Research paper (international conference proceedings)
Development of high efficiency polishing method using pure water and Ni catalyst
Daisetsu Toh, Pho Van Bui, Nakahira Yuta, Hideka Kida, Takahisa Ohgushi, Satoshi Matsuyama, Yasuhisa Sano, Kazuto Yamauchi
European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 18th International Conference and Exhibition, EUSPEN 2018 p. 435-436 2018 Research paper (international conference proceedings)
Chemical etching of silicon carbide in pure water by using platinum catalyst
Ai Isohashi, P. V. Bui, D. Toh, S. Matsuyama, Y. Sano, K. Inagaki, Y. Morikawa, K. Yamauchi
Applied Physics Letters Vol. 110 No. 20 2017/05/15 Research paper (scientific journal)
ニッケル触媒を利用した純水ベースの触媒表面基準エッチング法の開発
藤 大雪, 礒橋 藍, 稻田 辰昭, 中平 雄太, 木田 英香, 松山 智至, 佐野 泰久, 山内 和人
精密工学会学術講演会講演論文集 Vol. 2017 No. 0 p. 35-36 2017
Publisher: 公益社団法人 精密工学会触媒表面基準エッチング法における水素水を用いた被毒除去法の提案
中平 雄太, 礒橋 藍, Bui Pho, 稻田 辰昭, 藤 大雪, 木田 英香, 松山 智至, 佐野 泰久, 山内 和人
精密工学会学術講演会講演論文集 Vol. 2017 No. 0 p. 1-2 2017
Publisher: 公益社団法人 精密工学会Planarization of SiC and oxide surfaces by using Catalyst-Referred Etching with water
Pho Van Bui, Ai Isohashi, Daisetsu Toh, Satoshi Matsuyama, Kouji Inagaki, Yasuhisa Sano, Kazuto Yamauchi
Proceedings of the 17th International Conference of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2017 p. 157-158 2017 Research paper (international conference proceedings)
Stabilization of removal rate of silica glass on catalyst-referred etching by cleaning catalyst surface
Yuta Nakahira, Ai Isohashi, Tatsuaki Inada, Daisetsu Toh, Hideka Kida, Satoshi Matsuyama, Yasuhisa Sano, Kazuto Yamauchi
ICPT 2017 - International Conference on Planarization/CMP Technology p. 110-114 2017 Research paper (international conference proceedings)
Stabilization method of transition metal catalyst for high efficiency catalyst-referred etching (CARE) of silicon carbide
Daisetsu Toh, Ai Isohashi, Tatuaki Inada, Yuta Nakahira, Hideka Kida, Satoshi Matuyama, Yasuhisa Sano, Kazuto Yamauchi
ICPT 2017 - International Conference on Planarization/CMP Technology p. 106-109 2017 Research paper (international conference proceedings)
Improvement of removal rate in catalyst-referred etching of GaN substrates
INADA Tatsuaki, ISOHASHI Ai, TOH Daisetsu, NAKAHIRA Yuta, MATSUYAMA Satoshi, SANO Yasuhisa, YAMAUCHI Kazuto
The Proceedings of Mechanical Engineering Congress, Japan Vol. 2016 No. 0 2016
Publisher: The Japan Society of Mechanical Engineers触媒表面基準エッチング法における被毒物除去による加工速度安定化手法の開発
中平 雄太, 礒橋 藍, Bui Pho, 稻田 辰昭, 藤 大雪, 松山 智至, 佐野 泰久, 山内 和人
精密工学会学術講演会講演論文集 Vol. 2016 No. 0 p. 211-212 2016
Publisher: 公益社団法人 精密工学会Investigation of catalytic metals for a catalyst referred etching in pure water
Ai Isohashi, Tatsuaki Inada, Daisetsu Toh, Yuta Nakahira, Takahito Sugiura, Naotaka Kidani, Koji Inagaki, Yasihisa Sano, Satoshi Matsuyama, Kazuto Yamauchi
Proceedings of the 16th International Conference of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2016 2016 Research paper (international conference proceedings)
触媒表面基準エッチング法における触媒機能活性化手法の開発
藤 大雪, 礒橋 藍, 稻田 辰昭, 中平 雄太, 松山 智至, 佐野 泰久, 山内 和人
精密工学会学術講演会講演論文集 Vol. 2015 p. 447-448 2015
Publisher: 公益社団法人 精密工学会大気圧プラズマによる表面処理を利用した常温接合技術の開発
櫛川新太, 西岡柚香, 藤大雪, 山内和人, 佐野泰久
精密工学会関西地方定期学術講演会講演論文集 Vol. 2022 2022
水素ガスを用いた大気圧プラズマによる窒化ガリウム基板の高能率エッチング
中上元太, 崔泰樹, 藤大雪, 山内和人, 佐野泰久
精密工学会関西地方定期学術講演会講演論文集 Vol. 2022 2022
紫外光照射を援用した触媒表面基準エッチング法を用いた窒化ガリウム基板の高能率平滑化
萱尾澄人, 藤大雪, 山田純平, 山内和人, 佐野泰久
精密工学会関西地方定期学術講演会講演論文集 Vol. 2022 2022
Fabrication of atomically smooth polycrystalline surface without grain boundary steps by using catalyst referred etching method
Toh Daisetsu, Bui Van Pho, Matsuyama Satoshi, Sano Yasuhisa, Yamauchi Kazuto
Proceedings of JSPE Semestrial Meeting Vol. 2021A p. 115-116 2021/09/08
Publisher: The Japan Society for Precision Engineering触媒表面基準エッチング法を用いた高分子材料表面の高精度平坦化手法-ポリカーボネートの加工特性評価-
竹田広大, 藤大雪, 佐野泰久, 山内和人
精密工学会関西地方定期学術講演会講演論文集 Vol. 2021 2021
SF6ガスを用いたサブ大気圧プラズマによるSiC-MOSFETの裏面薄化におけるデバイス性能への影響の調査
大島政明, 中西悠真, 藤大雪, 松山智至, 山内和人, 佐野泰久
精密工学会関西地方定期学術講演会講演論文集 Vol. 2021 2021
触媒表面基準エッチング法におけるシリコンの除去機構の解明
板垣果歩, 萩原拓, 萱尾清人, VAN PHO Bui, 藤大雪, 佐野泰久, 山内和人
精密工学会関西地方定期学術講演会講演論文集 Vol. 2021 2021
Improvement of Metal-Insulator Phase Transition in Ultra-thin Fe3O4 Film Grown on MgO Substrate Flattened by Catalyst-referred Etching
Osaka Ai, Toh Daisetsu, Yamauchi Kazuto, Sano Yasuhisa, Tanaka Hidekazu, Hattori Azusa
Proceedings of JSPE Semestrial Meeting Vol. 2020A p. 187-188 2020/08/20
Publisher: The Japan Society for Precision EngineeringUltra-thin Film Grown of High Quality Fe3O4 on MgO Substrate Flattened by Catalyst-referred Etching
Osaka Ai, Toh Daisetsu, Yamauchi Kazuto, Sano Yasuhisa, Tanaka Hidekazu, Hattori Azusa
Proceedings of JSPE Semestrial Meeting Vol. 2020S p. 662-663 2020/03/01
Publisher: The Japan Society for Precision EngineeringMetal-insulator phase transition in ultra-thin Fe3O4 film grown on MgO substrate flattened by catalyst-referred etching
Osaka Ai I., Hattori Azusa N., Tanaka Hidekazu, Toh Daisetsu, Yamauchi Kazuto, Sano Yasuhisa
Abstract book of Annual Meeting of the Japan Society of Vacuum and Surface Science Vol. 2020 2020
Publisher: The Japan Society of Vacuum and Surface Science触媒表面電位制御を取り入れた光電気化学触媒表面基準エッチング法によるSiC基板の高能率平坦化加工
大西 諒典, 木田 英香, 藤 大雪, 松山 智至, 佐野 泰久, 山内 和人
精密工学会学術講演会講演論文集 Vol. 2019A p. 28-29 2019/08/20
Publisher: 公益社団法人 精密工学会High-efficiency planarization of GaN by catalyst-referred etching using photo-electrochemical oxidation
KIDA Hideka, TOH Daisetsu, OHNISHI Ryosuke, Matsuyama Tomohisa, Sano Yasuhisa, Yamauchi Kazuto
The Proceedings of Mechanical Engineering Congress, Japan Vol. 2018 2018
Publisher: The Japan Society of Mechanical Engineers光電気化学酸化を援用した触媒表面基準エッチング法による窒化ガリウムの高能率平坦化
木田 英香, 藤 大雪, 中平 雄太, 松山 智至, 佐野 泰久, 山内 和人
精密工学会学術講演会講演論文集 Vol. 2017A p. 19-20 2017
Publisher: 公益社団法人 精密工学会Platinum-assisted chemical etching of SiC: A density functional theory study
Bui Pho Van, Toh Daisetsu, Inagaki Kouji, Sano Yasuhisa, Yamauchi Kazuto, Morikawa Yoshitada
Proceedings of JSPE Semestrial Meeting Vol. 2017A p. 251-252 2017
Publisher: The Japan Society for Precision EngineeringGaN表面CARE加工の反応メカニズムの第一原理計算による解析 II-表面キンクサイト周辺のH2O終端構造-
稲垣耕司, BUI Pho Van, 礒橋藍, 藤大雪, 森川良忠, 山内和人
応用物理学会春季学術講演会講演予稿集(CD-ROM) Vol. 63rd 2016
触媒表面基準エッチング法によるSiC,GaN基板表面の原子レベル平坦化
(株)技術情報協会 月刊車載テクノロジー・12巻10号 pp.19-23 2025/07/30
触媒表面基準エッチング法を用いた高分子材料の高精度平滑化
藤大雪, 萱尾澄人, 山内和人, 佐野泰久
一般社団法人 日本トライボロジー学会・70巻 5号 pp. 289-294 2025/05
触媒表面基準エッチング法を利用した機能材料表面の原子スケール平滑化
藤大雪, 山内和人, 佐野泰久
一般社団法人 表面技術協会 表面技術・76巻4号 pp. 160-164 2025/04
超純水を利用した半導体基板の最終表面仕上げ技術
日本工業出版 クリーンテクノロジー 2024年12月号 2024/12
金属薄膜と超純水を利用した超精密研磨手法の開発
一般社団法人 生産技術振興協会 生産と技術 Vol.75, No.2 (2023) pp. 106-109 2023
光電気化学反応を利用した環境調和性に優れた高能率GaN表面研磨技術
萱尾澄人,山内和人,佐野泰久
日本工業出版 光アライアンス 2024年5月号
Fabrication of damage-free atomically smooth SiC surface using water and Ni catalyst
D. Toh, R. Ohnishi, P. V. Bui, A. Isohashi, S. Matsuyama, Y. Sano, K. Yamauchi
The International Conference on Silicon Carbide and Related Materials 2019 2019/10/04
触媒表面基準エッチング方法及びその装置
山内 和人, 藤 大雪
特許第6797409号
出願日:2017/01/12
登録日:2020/11/20
触媒パッド及びその製造方法
佐野 泰久, 藤 大雪, 山内 和人, 二村 浩平, 吉田 祐介
出願日:2023/08/28
触媒表面基準エッチング方法及びその装置
山内 和人, 藤 大雪
出願日:2017/01/12
High-throughput deterministic plasma etching using array-type plasma generator system
Sano Yasuhisa, Nishida Ken, Asada Ryohei, Okayama Shinya, Toh Daisetsu, Matsuyama Satoshi, Yamauchi Kazuto
Review of Scientific Instruments Vol. 92 No. 12 2021/12/16
Photoelectrochemical oxidation assisted catalyst-referred etching for sic (0001) surface
Toh Daisetsu, Bui Pho Van, Yamauchi Kazuto, Sano Yasuhisa
International Journal of Automation Technology Vol. 15 No. 1 p. 74-79 2021/01/05
An abrasive-free chemical polishing method assisted by nickel catalyst generated by in situ electrochemical plating
Toh Daisetsu, Van Bui Pho, Isohashi Ai, Matsuyama Satoshi, Yamauchi Kazuto, Sano Yasuhisa
Review of Scientific Instruments Vol. 91 No. 4 2020/04/13
Catalyzed chemical polishing of SiO2 glasses in pure water
Toh Daisetsu, Bui Pho Van, Isohashi Ai, Kidani Naotaka, Matsuyama Satoshi, Sano Yasuhisa, Morikawa Yoshitada, Yamauchi Kazuto
Review of Scientific Instruments Vol. 90 No. 4 2019/04/15
触媒表面基準エッチング法における材料除去機構の解明と各種機能性材料への応用
藤 大雪