• ICALEO 2012 Paper #N503 (Nano-Needle Fabrication Based on Optical Vortex Laser Ablation)

    Nano-Needle Fabrication Based on Optical Vortex Laser Ablation
    Authors:
    Kohei Toyoda, Graduate School of Advanced Integration Science, Chiba Univ.; Chiba Japan
    Katsuhiko Miyamoto, Graduate School of Advanced Integration Science, Chiba Univ.; Chiba Japan
    Nobuyuki Aoki, Graduate School of Advanced Integration Science, Chiba Univ.; Chiba Japan
    Takashige Omatsu, Graduate School of Advanced Integration Science, Chiba Univ., CREST, Japan Science and Technology Agency; Chiba Japan
    Presented at ICALEO 2012

    We found that the optical vortex could fabricate a nano-scaled metal needle (nano-needle), for the first time. Optical vortices, having a helical (twisted) wave...

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  • ICALEO 2012 Paper #OP2 (High-Power Laser Materials Processing)

    High-Power Laser Materials Processing
    Authors:
    Eckhard Beyer, Fraunhofer IWS Dresden, Technische Univ. Dresden, Institut fuer Oberflächen- und Fertigungstechnik; -
    Patrick Herwig, Fraunhofer IWS Dresden; Dresden Germany
    Stephan Hunze, Technische Univ. Dresden, Institut fuer Oberflächen- und Fertigungstechnik; Dresden Germany
    Andrés-Fabián Lasagni, Fraunhofer IWS Dresden; Dresden Germany
    Matthias Lütke, Fraunhofer IWS Dresden; Dresden Germany
    Achim Mahrle, Fraunhofer IWS Dresden, Technische Univ. Dresden, Institut fuer Oberflächen- und Fertigungstechnik; Dresden Germany
    Steffen Nowotny, Fraunhofer IWS Dresden; Dresden Germany

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  • ICALEO 2012 Paper #OP4 (LPP-EUV Light Source Development for High Volume Manufacturing Lithography)

    LPP-EUV Light Source Development for High Volume Manufacturing Lithography
    Authors:
    Hakaru Mizoguchi, Gigaphoton Inc. Oyama Facility; Oyana Japan
    Junichi Fujimoto, Gigaphoton Inc. Oyama Facility; Oyama-shi Tochigi Japan
    Takashi Saitou, Gigaphoton Inc. Hiratsuka Facility; Oyama-shi Tochigi Japan
    Presented at ICALEO 2012

    Since 1989, EUV microlithography technology has been developed. In this paper we look back the history outline and report latest development of EUV light source. We have been developing CO2-Sn-LPP EUV light source which is the most promising solution as the 13.5nm high power light source for HVM EUVL. Unique original technologies such as; combination of ...

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  • ICALEO 2012 Paper #P104 (Delamination Induced by Laser Drilling on a Cobalt Base Superalloy)

    Delamination Induced by Laser Drilling on a Cobalt Base Superalloy
    Authors:
    Jeremie Girardot, PIMM Laboratory (CNRS), Arts et Metiers ParisTech; Paris France
    Matthieu Schneider, PIMM Laboratory (CNRS), Arts et Metiers ParisTech; Paris France
    Laurent Berthe, PIMM Laboratory (CNRS), Arts et Metiers ParisTech; Paris France
    Veronique Favier, PIMM Laboratory (CNRS), Arts et Metiers ParisTech; Paris France
    Presented at ICALEO 2012

    Temperatures in the high pressure chamber of aircraft engines are continuously increasing to improve the engine efficiency. As a result, constitutive materials such as cobalt and nickel base superalloys need to be thermally protected. ...

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  • ICALEO 2012 Paper #P105 (Diode-Pumped Nanosecond Nd:Yag Laser Micromachining of Ti-3Al-2.5V Tubes for Fatigue Life Study)

    Diode-Pumped Nanosecond Nd:Yag Laser Micromachining of Ti-3Al-2.5V Tubes for Fatigue Life Study
    Authors:
    Yaomin Lin, Alfred E. Mann Foundation for Scientific Research; Santa Clarita CA USA
    Mool Gupta, Department of Electrical & Computer Engineering, Univ. of Virginia; Charlottesville VA USA
    Presented at ICALEO 2012

    Due to its superior properties such as high strength to weight ratio, great creep and corrosion resistance, amenable to cold working, etc., Ti-3Al-2.5V is widely used in making seamless tubing in hydraulic systems in aerospace applications. Defects can develop on the surface of the tube during service. Under periodic loading of hydraulic impulse pressure, micro-crack can...

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  • ICALEO 2012 Paper #P120 (Effects of Laser-Peening Parameters on Plastic Deformation of SUS316L)

    Effects of Laser-Peening Parameters on Plastic Deformation of SUS316L
    Authors:
    Kohei Mizuta, Program in Electronic Engineering, Interdisciplinary Graduate Faculty of Science and Engineering, Kinki Univ.; Osaka Japan
    Miho Tsuyama, Program in Electronic Engineering, Interdisciplinary Graduate Faculty of Science and Engineering, Kinki Univ.; -
    Makoto Takahaski, Joining and Welding Research Institute, Osaka Univ.; -
    Toshiya Shibayanagi, Program in Materials Science and Engineering, Faculty of Engineering, Toyama Univ.; -
    Hitoshi Nakano, Program in Electronic Engineering, Interdisciplinary Graduate Faculty of Science and Engineering, Kinki Univ.; -
    ...

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  • ICALEO 2012 Paper #P124 (Laser Cladding with Coaxial Wire Feeding)

    Laser Cladding with Coaxial Wire Feeding
    Authors:
    Pajukoski Henri, Tampere Univ. of Technology, Department of Materials Science; Tampere Finland
    Näkki Jonne, Tampere Univ. of Technology, Department of Materials Science; Tampere Finland
    Thieme Sebastian, Fraunhofer IWS, Material and Beam Technology; Dresden Germany
    Tuominen Jari, Tampere Univ. of Technology, Department of Materials Science; Tampere Finland
    Nowotny Steffen, Fraunhofer IWS, Material and Beam Technology; Dresden Germany
    Vuoristo Petri, Tampere Univ. of Technology , Department of Materials Science; Tampere Finland
    Presented at ICALEO 2012

    In the last years coaxial las...

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  • ICALEO 2012 Paper #P126 (Corrosion Resistant Laser Coatings for Hydraulic Piston Rods)

    Corrosion Resistant Laser Coatings for Hydraulic Piston Rods
    Authors:
    Jari Tuominen, Department of Materials Science, Tampere Univ. of Technology; Tampere Finland
    Jonne Näkki, Department of Materials Science, Tampere Univ. of Technology, Technology Centre Ketek Ltd.; Tampere Finland
    Juha Junkala, Technology Centre Ketek Ltd.; Kokkola Finland
    Juha Miettinen, Department of Mechanics and Design, Tampere Univ. of Technology; Tampere Finland
    Tuomo Peltola, Technology Centre Ketek Ltd.; Kokkola Finland
    Petri Vuoristo, Department of Materials Science, Tampere Univ. of Technology; Tampere Finland
    Presented at ICALEO 2012

    Hydraulic piston...

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  • ICALEO 2012 Paper #P128 (Thermal and Mechanical Modeling of Single Metallic Powder Layer for Laser Micro Sintering)

    Thermal and Mechanical Modeling of Single Metallic Powder Layer for Laser Micro Sintering
    Authors:
    Jie Yin, Division of Laser Science and Technology, Wuhan National Laboratory for Optoelectronics, Institute of Optoelectronics Science and Engineering, Huazhong Univ. of Science and Technology; Wuhan Peoples Republic of China
    Haihong Zhu, Division of Laser Science and Technology, Wuhan National Laboratory for Optoelectronics, Institute of Optoelectronics Science and Engineering, Huazhong Univ. of Science and Technology; Wuhan Peoples Republic of China
    Linda Ke, Division of Laser Science and Technology, Wuhan National Laboratory for Optoelectronics, Institute of Optoelectronics Science and ...

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  • ICALEO 2012 Paper #P130 (Laser Assisted Manufacturing of Porous Metallic Structures)

    Laser Assisted Manufacturing of Porous Metallic Structures
    Authors:
    Jesus del Val, Applied Physics Department, Univ. of Vigo; Vigo Spain
    Antonio Riveiro, Centro Univ. de la Defensa; Marin Spain
    Rafael Comesaña, Applied Physics Department, Univ. of Vigo; Vigo Spain
    Fernando Lusquiños, Applied Physics Department, Univ. of Vigo; Vigo Spain
    Mohamed Boutinguiza, Applied Physics Department, Univ. of Vigo; Vigo Spain
    Felix Quintero, Applied Physics Department, Univ. of Vigo; Vigo Spain
    Juan Pou, Applied Physics Department, Univ. of Vigo; Vigo Spain
    Presented at ICALEO 2012

    The highly demand of porous metallic materials in ...

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