SLPC2022-The 4th Smart Laser Processing Conference

SLPC 2022 » Oral Presentation

Session 1: Blue LD Processing

Tue. Apr 19, 2022 9:00 AM - 10:30 AM

Pacifico Yokohama Conference Center (416+417)

Session Chair: Yuji Sato (Osaka University), Yasuhiro Okamoto (Okayama University)
9:00 AM - 9:30 AM

WEB (On-time video, Q&A by Dr. S. Takeda)[SLPC1-01(Invited)] Blue diode lasers with increased power creating new opportunities in material
processing*Markus Ruetering1, Luisa-Marie Heine1, Soern Ocylok1, Mathias Schlett1 (1. Laserline GmbH)
9:30 AM - 10:00 AM[SLPC1-02(Invited)] Laser Welding for Copper with Blue-IR Hybrid Laser "BRACETM"*Tomomichi Yasuoka1, Nobuyasu Matsumoto1, Kazuyuki Umeno1, Masamitsu Kaneko1, Tatsuya Yoshizaki1, Takashi Kayahara1, Takashi
Shigematsu1 (1. FURUKAWA ELECTRIC CO., LTD.)
10:00 AM - 10:15 AM[SLPC1-03] KW-class blue direct diode laser for copper welding*Masaya Suwa1, Naoki Wakabayashi1, Naoya Ishigaki1, Minoru Yamada1, Tomoyuki Hiroki1, Shingo Uno1, Koji Tojo1, Masahiro
Tsukamoto2 (1. Shimadzu Corporation, 2. Joining and Welding Research Institute, Osaka University)
10:15 AM - 10:30 AM[SLPC1-04] Copper alloy layer formation of high intensity blue diode lasers for inactivation of virus*Yuji Sato1, Keisuke Takenaka1, Tsuneyoshi Kamata2, Masahiro Tsukamoto1(1. JWRI, Osaka University, 2. Mitsui Mining and Smelting Co. Ltd)SLPC2022-The 4th Smart Laser Processing Conference

SLPC 2022 » Oral Presentation

Session 2: Industrial Applications

Tue. Apr 19, 2022 10:45 AM - 12:00 PM

Pacifico Yokohama Conference Center (416+417)

Session Chair: Yasuhiro Okamoto (Okayama University), Yuji Sato (Osaka University)10:45 AM - 11:15 AM[SLPC2-01(Invited)] Laser material processing in E-mobility*Tsuyoshi Nakamura1, Matthias Beranek2 (1. TRUMPF Corporation, 2. TRUMPF Laser- und Systemtechnik GmbH)
11:15 AM - 11:30 AM[SLPC2-02] Effects of Laser Peening with PDMS as Plasma Confinement Layer*Yang Zhang1, Takumi Besshi1, Miho Tsuyama1, Manabu Heya2, Hitoshi Nakano1 (1. Kindai University, 2. Osaka-sangyo University)
11:30 AM - 12:00 PMWEB (Remote-live)[SLPC2-03(Invited)] Laser Weeding – A New Technology for Sustainable Weed Management*Merve Wollweber1, Tammo Ripken1 (1. Laser Zentrum Hannover e.V.)

SLPC2022-The 4th Smart Laser Processing Conference

SLPC 2022 » Oral Presentation

Session 3: AI/CPS Processing and Ultrashort Pulsed Laser Processing

Tue. Apr 19, 2022 1:15 PM - 3:00 PM

Pacifico Yokohama Conference Center (416+417)

Session Chair: Aiko Narazaki (National Institute of Advanced Industrial Science and Technology ), Rie Yamagishi (Fukuoka Institute ofTechnology)
1:15 PM - 1:45 PM[SLPC3-01(Invited)] Femtosecond laser processing with adaptive optics based on machine learning*Satoshi Hasegawa1, Yoshio Hayasaki1 (1. Utsunomiya University)
1:45 PM - 2:00 PM[SLPC3-02] Laser welding depth classification by deep learning using laser welding surface emission
observation images*Toshifumi Kikuchi1, Ryuma Takabatake1, Tsubasa Fujimoto1, Hiroshi Ikenoue1, Daisuke Nakamura1 (1. Kyushu University)
2:00 PM - 2:15 PM[SLPC3-03] Estimating transistor characteristics from low temperature polycrystalline silicon surface images
using deep learning*Keita Katayama1, Takayuki Kurashige1, Takahiro Nagano1, Yoshiaki Kakimoto1,2, Akira Mizutani1, Daisuke Nakamura1, Tetsuya Goto3,Hiroshi Ikenoue1,2(1. Graduate School of Information Science and Electrical Engineering, Kyushu University, 2. Department of Gigaphoton Next GLP,Kyushu University, 3. New Industry Creation Hatchery Center, Tohoku University)
2:15 PM - 2:45 PM[SLPC3-04(Invited)] Crystallinity evaluation in periodic structures induced by femtosecond laser pulses*Reina Miyagawa1, Daisuke Kamibayashi2, Hirotaka Nakamura2,3, Masaki Hashida4,5, Heishun Zen6, Takeshi Matsuoka7, Hiroyuki
Ogura2, Daisuke Sagae2, Yusuke Seto8, Takahisa Shobu9, Ai Tominaga9, Osamu Eryu1, Norimasa Ozaki2,3(1. Nagoya Institute of Technology, 2. Graduate School of Engineering, Osaka University, 3. Institute of Laser Engineering, OsakaUniversity, 4. Institute for Chemical Research, Kyoto University, 5. Research Institute of Science and Technology, Tokai University, 6.
Institute of Advanced Energy, Kyoto University, 7. Institute for Open and Transdisciplinary Research Initiatives, Osaka University, 8.
Graduate School of Science, Kobe University, 9. Quantum Beam Science Center, Japan Atomic Energy Agency)
2:45 PM - 3:00 PM[SLPC3-05] Control of cell behavior on the PMMA surface
by LIPSS with a femtosecond laser pulse*Keisuke Takenaka1, Yuji Sato2, Masahiro Tsukamoto2(1. Graduate school of engineering, Osaka university, 2. Joining and Welding Research Institute, Osaka University)

SLPC2022-The 4th Smart Laser Processing Conference

SLPC 2022 » Oral Presentation

Session 4: Plenary Talks of SLPC2022
Tue. Apr 19, 2022 3:30 PM - 5:30 PM

Pacifico Yokohama Conference Center (416+417)

Session Chair: Masahiro Tsukamoto (Osaka University), Yuji Sato (Osaka University)
3:30 PM - 4:10 PM[SLPC4-01(Invited)] The Role of TRAFAM and AM Technology Developments*Hideki Kyogoku1 (1. Kindai University, Japan)
4:10 PM - 4:50 PM[SLPC4-02(Invited)] Cyber-Physical System of laser processing*Yohei Kobayashi1 (1. The University of Tokyo)
4:50 PM - 5:30 PMWEB (Remote-live)[SLPC4-03(Invited)] Fully Digitalized Production Chainsfor Medical Implants in Ophthalmology*Reinhart Poprawe1,2, Axel von Wallfeld1, Uwe M. Clasen1(1. AIXlens GmbH, Germany, 2. Fraunhofer Germany, Chair for Lasertechnology RWTH Aachen University, Germany)

SLPC2022-The 4th Smart Laser Processing Conference

SLPC 2022 » Oral Presentation

Session 5: Micro Nano Processing

Wed. Apr 20, 2022 1:30 PM - 3:00 PMPacifico Yokohama Conference Center (416+417)

Session Chair: Yoshio Hayasaki (Utsunomiya University), Miho Tsuyama (Kindai University)
1:30 PM - 1:45 PMWEB (Remote-live)[SLPC5-01] Direct writing of SiC micropatterns in ambient atmosphere using near-infrared femtosecond
laser sintering*Tatsuru Kawabori1, Masashi Watanabe2, Yoshiyuki Imai2, Xing Yan2, Mizue Mizoshiri1(1. Nagaoka University of Technology, 2. Japan Atomic Energy Agency)
1:45 PM - 2:00 PMWEB (Remote-live)[SLPC5-02] Laser Processing for Shape Memory Actuators*Marvin Schuleit1, Benedict Theren2, Burkhard Maaß3, Bernd Kuhlenkötter2, Cemal Esen1, Andreas Ostendorf1(1. Applied Laser Technologies, Ruhr University Bochum, 2. Production Systems, Ruhr University Bochum, 3. Ingpuls GmbH)
2:00 PM - 2:30 PM

WEB (On-time video)[SLPC5-03(Invited)] Damage-Less Singulation of Ultra-Thin Wafers using Stealth Dicing Technology*Natsuki Suzuki1, Koji Kuno1, Takayuki Ohba2 (1. Hamamatsu Photonics K.K., 2. Tokyo Institute of Technology)
2:30 PM - 2:45 PM[SLPC5-04] Drilling characteristics of glass with large thermal expansion coefficient by short-pulse CO2 laser*Md. Ekhlasur Rahaman1, Kazuyuki Uno1
(1. Integrated Graduate School of Medicine, Engineering and Agricultural Science, University of Yamanashi)

2:45 PM - 3:00 PM[SLPC5-05] Time-resolved spectroscopy of glass ablation during micro-via processing using 248 nm excimer
laser for semiconductor interposer packaging*Yasufumi Kawasuji1, Yasuhiro Adachi1, Kazuhiko Moro1, Kouji Kakizaki1, Masakazu Washio2 (1. Gigaphoton Inc., 2. Waseda University)

SLPC2022-The 4th Smart Laser Processing Conference

SLPC 2022 » Oral PresentationSession 6: Ultrashort Pulsed Laser Processing
Wed. Apr 20, 2022 3:15 PM - 5:00 PMPacifico Yokohama Conference Center (416+417)

Session Chair: Masaki Hashida (Tokai University), Hitoshi Nakano (Kindai University)
3:15 PM - 3:30 PM[SLPC6-01] Three-temperature model for laser processing of silicon and its dependence on laser parameters*Prachi Venkat1, Tomohito Otobe1 (1. Kansai Photon Science Institute, National Institutes for Quantum Science and Technology, Kyoto)
3:30 PM - 4:00 PM[SLPC6-02(Invited)] Ultrafast processing of glass by selective absorption of continuous-wave laser intotransiently excited electrons*Yusuke Ito1, Reina Yoshizaki1, Naohiko Sugita1 (1. The University of Tokyo, Japan)
4:00 PM - 4:15 PM[SLPC6-03] Holographic femtosecond laser processing of a glass with three-dimensionally arranged focused
beams*Yoshio Hayasaki1, Honghao Zhang1, Satoshi Hasegawa1 (1. Utsunomiya University)
4:15 PM - 4:30 PM[SLPC6-04] Multifocusing of ultrashort laser pulses using dispersion control techniques based on hybrid
optics*Jun Amako1, Hidetoshi Nakano1 (1. Faculty of Science and Engineering, Toyo University)
4:30 PM - 4:45 PM[SLPC6-05] Precise generation of three-dimensional focused beams for holographic femtosecond laser
processing*Fumiya Ishita1, Honghao Zhang1, Satoshi Hasegawa1, Yoshio Hayasaki1(1. Center for Optical Research and Education , Utsunomiya University)
4:45 PM - 5:00 PM[SLPC6-06] Holographic laser grooving using the scanning parallel beam method*Yuta Nakamura1, Tomonari Tanaka1, Satoshi Hasegawa1, Yoshio Hayasaki1 (1. Utsunomiya University)

SLPC2022-The 4th Smart Laser Processing Conference

SLPC 2022 » Oral Presentation

Session 7: Short Wavelength Application
Thu. Apr 21, 2022 9:00 AM - 10:00 AM

Pacifico Yokohama Conference Center (416+417)

Session Chair: Katsuhiro Mikami (Kindai University), Masahito Katto (University of Miyazaki)
9:00 AM - 9:30 AM[SLPC7-01(Invited)] Study on Nanoscale Response of Silicon under Femtosecond Extreme Ultraviolet
Irradiation*Thanh-Hung Dinh1, Toshiyuki Kitamura1, Masahiko Ishino1, Noboru Hasegawa1, Yoshiteru Yonetani1, Masaharu Nishikino1(1. National Institutes for Quantum Science and Technology)
9:30 AM - 9:45 AM[SLPC7-02] Progress of DUV・EUV Light Source and its Extension to Leading Edge Semiconductor
Manufacturing*Hakaru Mizoguchi1, Koji Kakizaki1, Hiroaki Nakarai1, Hiroshi ikenoue2, Seiji Shiratani2, Yasutsugu Usami1 (1. Gigaphoton, 2. KyushuUniversity)
9:45 AM - 10:00 AM[SLPC7-03] Excimer laser doping of low-resistance Ni ohmic contacts to n-type 4H-SiC*Yoshiaki Kakimoto1,2, Keita Katayama1, Takuma Yasunami1, Tetsuya Goto3, Daisuke Nakamura1, Hiroshi Ikenoue1(1. Kyushu University, 2. Gigaphoton Inc, 3. Tohoku University)

SLPC2022-The 4th Smart Laser Processing Conference

SLPC 2022 » Oral Presentation

Session 8: Welding

Thu. Apr 21, 2022 1:30 PM - 3:00 PM

Pacifico Yokohama Conference Center (416+417)

Session Chair: Yorihiro Yamashita (National Institute of Technology, Ishikawa College), Takahiro Kunimine (Kanazawa University)
1:30 PM - 1:45 PM[SLPC8-01] Investigations of plasma effects from large-diameter Kilowatt cw laser beams on Aluminum
samples*Dominic Heunoske1, Jens Osterholz1 (1. Fraunhofer EMI)

Canceled as of April 8

1:45 PM - 2:00 PM[SLPC8-02] Laser Welding of Ultra-high Strength Steel to Aluminum with Cold-sprayed Steel CoatingInterlayer*Kyohei Maeda1,2, Yuji Sato1, Reiichi Suzuki2, Tetsuo Suga1, Masahiro Tsukamoto1 (1. Osaka University, 2. Kobe Steel)
2:00 PM - 2:15 PMWEB[SLPC8-03] Increased gap bridgability and stability with multi-spot laser beam
*Joerg Volpp1, Alexander Laskin2 (1. Lulea University of Technology, 2. AdlOptica GmbH)
2:15 PM - 2:30 PM[SLPC8-04] Study on Irradiation Method of Near-infrared Laser Beam in Welding of Copper*Akihiro Ochi1, Yasuhiro Okamoto1, Akira Okada1, Takeshi Yamamura2, Norio Nishi2 (1. Okayama University, 2. Kataoka Corporation)
2:30 PM - 3:00 PMWEB[SLPC8-05(Invited)] Blue Diode Laser for Welding of Thin Foil Metals*Tim Pasang1, Pai-Chen Lin2, Wojciech Misiolek3, Jia-Yuan Wei2, Shinichiro Masuno4, Masahiro Tsukamoto4, Eiji Hori4, Yuji Sato4, Yuan
Tao5, Danang Yudhistiro6, Salahuddin Yunus6(1. Department of Manufacturing, Mechanical Engineering and Technology, Oregon Institute of Technology, USA, 2. AIM-HI, National
Chung Cheng University, Taiwan, 3. Loewy Institute, Department of Materials Science and Engineering, Lehigh University, USA, 4.
Joining and Welding Research Institute (JWRI), Osaka University, Japan, 5. Department of Mechanical Engineering, Auckland Universityof Technology,New Zealand, 6. Department of Mechanical Engineering, Universitas Jember, Indonesia)

SLPC2022-The 4th Smart Laser Processing Conference

SLPC 2022 » Oral Presentation

Session 9: Welding / Additive Manufacturing & Selective Laser Melting

Thu. Apr 21, 2022 3:15 PM - 4:30 PM

Pacifico Yokohama Conference Center (416+417)

Session Chair: Takahiro Kunimine (Kanazawa University), Yorihiro Yamashita (National Institute of Technology, Ishikawa College)
3:15 PM - 3:30 PM[SLPC9-01] Laser superposition processing technology using two beams with different energy densities*Kazuo Hasegawa1,2, Kan'ichi Tsunoda1, Satoru Kato1(1. Toyota central R&D labs., inc., 2. The Graduate School for the Creation of New Photonics Industries)
3:30 PM - 4:00 PM[SLPC9-02(Invited)] Investigating new concepts for improving the additive manufacturing process onindustrial level*Markus Kogel-Hollacher1, Frédéric Adam1, Christian Staudenmaier1, Matthias Strebel1, Steffen Boley3, Stan Watanabe2(1. Precitec GmbH & Co. KG, Germany, 2. Precitec Japan Ltd, 3. Institut für Strahlwerkzeuge (IFSW))

4:00 PM - 4:15 PM[SLPC9-03] Microstructures and Mechanical Properties of CrMnFeCoNi Multicomponent Alloys Additively
Manufactured by Multi-Beam Laser DED
Kaito Nakagawa1, Tatsuya Sakurai1, Yorihiro Yamashita2, *Takahiro Kunimine1(1. Kanazawa University, 2. National Institute of Technology, Ishikawa College)
4:15 PM - 4:30 PM[SLPC9-04] Experimental investigation and simulation of superelastic behavior of NiTi gyroid structures
manufactured via SLM*Stanisalv V. Chernyshikhin1, Farzad Karimi2, Igor V. Shishkovsky1(1. Skolkovo Institute of Science and Technology, 2. Sharif University of Technology)

SLPC2022-The 4th Smart Laser Processing Conference

SLPC 2022 » Poster Presentation

Poster Session
Thu. Apr 21, 2022 10:30 AM - 12:00 PM

Pacifico Yokohama Exhibition Hall A (Hall A IP)[SLPCp-01] Consideration of Two-Dimensional CPC for Pumping Cavity of Solar-Pumped Laser*Hirozumi Munakata1, Tomomasa Ohkubo1, Ei-ichi Matsunaga1, Thanh-hung Dinh2, Yuji Sato3(1. Graduate School of Engineering, Tokyo University of Technology, 2. National Institutes for Quantum Science and Technology, 3.
Joining and Welding Research Institute, Osaka University)[SLPCp-02] Early stage of Si surface processing by femto-second Ti:sapphire laser pulses*Masahito Katto1, Masanori Kaku1, Masahiro Tsukamoto2, Yuji Sato2, Atsushi Yokotani1 (1. University of Miyazaki, 2. Osaka University)[SLPCp-03] Spatial profile measurement of mid-infrared free electron laser for LIPSS research*Shin-ichiro Masuno1, Masaki Hashida1,2, Heishun Zen3, Takeshi Nagashima4, Norimasa Ozaki5, Hitoshi Sakagami6, Shigeru
Yamaguchi7, Satoru Iwamori2,8(1. Advanced Research Center for Beam Science, Institute for Chemical Research, Kyoto University, 2. Research institute of Science andTechnology, Tokai University, 3. Institute of Advanced Energy, Kyoto University, 4. Faculty of Science and Engineering, Setsunan
University, 5. Graduate School of Engineering, Osaka University, 6. National Institute for Fusion Science, 7. Department Physics, TokaiUniversity, 8. Department of Mechanical Engineering, Tokai University)[SLPCp-04] In situ measurement of LIPSS formation with high-spatiotemporal resolution*Masaki Hashida1, Shin-ichro Masuno2, Yohei Tanaka3,2, Heishun Zen4, Takeshi Nagashima5, Norimasa Ozaki6, Hitoshi Sakagami7,Shunsuke Inoue2,3, Shigeru Yamaguchi8, Satoru Iwamori9(1. Research institute of Science and Technology, Tokai University, 2. Graduate School of Science, Kyoto University, 3. Institute for
Chemical Research, Kyoto University, 4. Institute of Advanced Energy, Kyoto University, 5. Faculty of Science and Engineering, Setsunan
University, 6. Graduate School of Engineering, Osaka University, 7. National Institute for Fusion Science, 8. Department Physics, Tokai
University, 9. Department of Mechanical Engineering, Tokai University)[SLPCp-05] Effects of Laser Irradiation Conditions on WC Particle Size and Hardness of WC-Co CementedCarbide Processed by Directed Energy Deposition*Yorihiro Yamashita1, Takahiro Kunimine2, Yoshinori Funada3, Yuji Sato4, Masahiro Tsukamoto4(1. National Institute of Technology , Ishikawa College, 2. Institute of Science and Engineering, Kanazawa University, 3. Industrial
Research Institute of Ishikawa, 4. Joining and Welding Research Institute, Osaka University)[SLPCp-06] Micro-coating of pure copper by multi-beam LMD method with high intensity blue diode lasers*Yuma Takazawa1, Kazuhiro Ono1, Yuki Morimoto2, Keisuke Takenaka1, Yuji Sato3, Manabu Heya2, Masahiro Tsukamoto3(1. Graduate School of Engineering, Osaka University, 2. Faculty of Engineering, Osaka Sangyo University, 3. Joining and Welding
Research Institute, Osaka University)[SLPCp-07] Thin-film formation of polymer sheets by the CO2 laser with the copper base*Nobukazu Kameyama1, Hiroki Yoshida1 (1. Gifu University)[SLPCp-08] Homogenization Towards a Grain Size of SLMed Plate with Modulated Pulsed Laser*Yuta Mizuguchi1, Masahiro Ihama1, Yuji Sato2, Norio Yoshida2, Sasitorn Srisawadi3, Dhritti Tanprayoon3, Masahiro Tsukamoto2(1. Osaka University, 2. Joining and Welding Research Institute, Osaka University, 3. National Metal and Materials Technology Center)[SLPCp-09] Effect od ambient pressure on denudation zone for development of SLM in vacuum*Masahiro Ihama1, Yuta Mizuguchi1, Keisuke Takenaka2, Norio Yoshida2, Yuji Sato2, Tsukamoto Masahiro2(1. Graduate School of Engineering, Osaka University, 2. Joining and Welding Research Institute, Osaka University)

SLPC2022-The 4th Smart Laser Processing Conference[SLPCp-10] Copper rod formation using multi-beam laser metal deposition system with blue diode lasers*Ritsuko Higashino1, Yuji Sato1, Keisuke Takenaka1, Kazuhiro Ono2, Yoshinori Funada3, Yorihiro Yamashita4, Nobuyuki Abe1, MasahiroTsukamoto1(1. Joining and Welding Research Institute, Osaka University, 2. Graduate School of Engineering, Osaka University, 3. Industrial
Research Institute of Ishikawa, 4. National Institute of Technology Ishikawa College)[SLPCp-11] Real-time observation of molten pool shape in keyhole-type welding for stainless steel using a16kW disk laser*Tomoki Arita1, Yoshiaki Kurita2, Masami Mizutani3, Yuji Sato3, Hitoshi Nakano1, Masahiro Tsukamoto3(1. Graduate School of Science and Engineering, Kindai University, 2. Graduate School of Engineering, Osaka University, 3. Joining andWelding Research Institute, Osaka University)[SLPCp-12] Investigation of keyhole dynamics in laser welding of pure copper using in situ X-ray observation
system*Shumpei Fujio1, Tomoki Arita2, Yoshiaki Kurita1, Keisuke Takenaka3, Masami Mizutani3, Yuji Sato3, Hitoshi Nakano2, Masahiro
Tsukamoto3(1. Graduate School of Engineering, Osaka University, 2. Graduate School of Science and Engineering, Kindai University, 3. Joining andWelding Research Institute, Osaka University)

SLPC2022-The 4th Smart Laser Processing Conference

SLPC 2022 » Oral Presentation

Awards & Closing Remark
Thu. Apr 21, 2022 4:30 PM - 5:00 PMPacifico Yokohama Conference Center (416+417)

Session Chair: Masahiro Tsukamoto (Osaka University), Yuji Sato (Osaka University)
4:30 PM - 5:00 PM[SLPC-Closing] Closing Remarks