• ICALEO 2012 Paper #P155 (Optimizing Ultrashort Laser Pulses for High-Precision and High-Performance Micromachining Process)

    Optimizing Ultrashort Laser Pulses for High-Precision and High-Performance Micromachining Process
    Authors:
    Hoon Jeong, Manufacturing System Center, Korea Institute of Industrial Technology (KITECH); Cheonansi South Korea
    Dongjoo Lee, Manufacturing System Center, Korea Institute of Industrial Technology (KITECH); Cheonan South Korea
    Presented at ICALEO 2012

    In recent years, femtosecond laser pulses have been used for micromachining, which cleanly ablate a variety of materials with high precision for a wide range of applications, such as making fine features on metal surfaces, repairing patterns for Flat Panel Device (FPD), removing residues on micro-devices, etc. However, recent res...

    $28.00

  • ICALEO 2012 Paper #P157 (Thin-Film Laser Scribing Processes Using ns, ps, and fs Pulses in CIGS Solar Cell Fabrication)

    Thin-Film Laser Scribing Processes Using ns, ps, and fs Pulses in CIGS Solar Cell Fabrication
    Authors:
    Hwang Jin Lee, EM Tech; Anyang South Korea
    Nam Seong Kim, EO Technics; Anyang South Korea
    Hong Lee, EO Technics; Anyang South Korea
    Byoung Cheol Kim, EO Technics; Anyang South Korea
    Presented at ICALEO 2012

    CIGS Photo-voltaic module has been studied to achieve high conversion efficiency, low material cost, and low level of environmental contamination issue. But, this benefit is not fully achieved in mass production because process is complicated and its yield is low in volume production. Laser scribing technique has been adapted from early development sta...

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  • ICALEO 2012 Paper #P161 (A Thermal Investigation on Conductive Silver Ink Tracks Cured on Flexible Substrates by Repeating Irradiations of Nd:Yag Laser at the Wavelength of 532 nm)

    A Thermal Investigation on Conductive Silver Ink Tracks Cured on Flexible Substrates by Repeating Irradiations of Nd:Yag Laser at the Wavelength of 532 nm
    Authors:
    Liwei Fu, School of Engineering, Univ. of Liverpool; Liverpool Great Britain
    Shuo Shang, School of Engineering, Univ. of Liverpool; -
    Eamonn Fearon, School of Engineering, Univ. of Liverpool; Liverpool Great Britain
    Walter Perrie, School of Engineering, Univ. of Liverpool; Liverpool Great Britain
    Stuart Edwardson, School of Engineering, Univ. of Liverpool; Liverpool Great Britain
    Geoff Dearden, School of Engineering, Univ. of Liverpool; Liverpool Great Britain
    Ken Watkins,...

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  • ICALEO 2012 Paper #P162 (Variation of Photocatalytic Activity in Titanium Dioxide Film Modified by Femtosecond Laser Irradiation)

    Variation of Photocatalytic Activity in Titanium Dioxide Film Modified by Femtosecond Laser Irradiation
    Authors:
    Naoto Horiguchi, Graduate School of Engineering, Osaka Univ.; Osaka Japan
    Masahiro Tsukamoto, Joining and Welding Research Institute, Osaka Univ.; Ibaraki, Osaka Japan
    Minoru Yoshida, School of Science and Engineering, Kinki Univ.; Higashiosaka, Osaka Japan
    Togo Shinonaga, Graduate School of Engineering, Osaka Univ.; Suita, Osaka Japan
    Masanari Takahashi, Osaka Municipal Technical Research Institute; Joto-Ku, Osaka Japan
    Masayuki Fujita, Institute for Laser Technology; Suita, Osaka Japan
    Nobuyuki Abe, Joining and Welding Res...

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  • ICALEO 2012 Paper #P168 (Laser Welding of Seal Tubes for the Instrumented Fuel Irradiation Test)

    Laser Welding of Seal Tubes for the Instrumented Fuel Irradiation Test
    Authors:
    Soo-Sung Kim, Korea Atomic Energy Research Institute; Daejeon South Korea
    Ki-Hwan Kim, Korea Atomic Energy Research Institute; Daejeon
    Ho-Jin Ryu, Korea Atomic Energy Research Institute; -
    Yoon-Sang Lee, Korea Atomic Energy Research Institute; Daejeon
    Jong-Man Park, Korea Atomic Energy Research Institute; -
    Presented at ICALEO 2012

    This work was carried out to obtain sound welds FIBER lasers and to select the most suitable binary metal joints seal tubes linking three combinations which include STS316L to Inconel600, Inconel600 to Ti and Ti to Zircaloy-4 for...

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  • ICALEO 2012 Paper #P169 (Study on Ultrafast Imaging of the Silicon Surface Ablated by a Single Nanosecond Laser Pulse)

    Study on Ultrafast Imaging of the Silicon Surface Ablated by a Single Nanosecond Laser Pulse
    Authors:
    Peng Gu, Institute of Laser Engineering, Beijing Univ. of Technology; Beijing Peoples Republic of China
    Haiying Song, Institute of Laser Engineering, Beijing Univ. of Technology; Beijing Peoples Republic of China
    Song Liu, Institute of Laser Engineering, Beijing Univ. of Technology; Beijing Peoples Republic of China
    Xiangming Dong, Institute of Laser Engineering, Beijing Univ. of Technology; Beijing Peoples Republic of China
    Qini Ge, Institute of Laser Engineering, Beijing Univ. of Technology; Beijing Peoples Republic of China
    Shibing Liu, Institut...

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  • ICALEO 2012 Paper #P170 (Research on Improving of Cut Surface Quality of Laser-Cut Fine Ceramics)

    Research on Improving of Cut Surface Quality of Laser-Cut Fine Ceramics
    Authors:
    Lingfei Ji, Institute of Laser Engineering, Beijing Univ. of Technology; Beijing Peoples Republic of China
    Xiaochuan Chen, Institute of Laser Engineering, Beijing Univ. of Technology; Beijing Peoples Republic of China
    Yinzhou Yan, Institute of Laser Engineering, Beijing Univ. of Technology; Beijing Peoples Republic of China
    Yong Bao, Institute of Laser Engineering, Beijing Univ. of Technology; Beijing Peoples Republic of China
    Yijian Jiang, Institute of Laser Engineering, Beijing Univ. of Technology; Beijing Peoples Republic of China
    Presented at ICALEO 2012

    The i...

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  • ICALEO 2012 Paper #P171 (Enhancing the Strength of Titanium Alloys by TiN Surface Network Reinforcement)

    Enhancing the Strength of Titanium Alloys by TiN Surface Network Reinforcement
    Authors:
    Dennis K. C. Lo, Department of Industrial and Systems Engineering, The Hong Kong Polytechnic Univ.; -
    On-Ki Chan, Department of Industrial and Systems Engineering, The Hong Kong Polytechnic Univ.; -
    Hau-Chung Man, Department of Industrial and Systems Engineering, The Hong Kong Polytechnic Univ.; Hung Hom, Kowloon Hong Kong
    Presented at ICALEO 2012

    Certain properties of titanium alloys such as high strength to weight ratio, excellent corrosion resistance, biocompatibility and good formability make them advantageous for the fabrication of components used in the aerospace, marine, ...

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  • ICALEO 2012 Paper #P172 (High Efficiency Laser Oxygen Thick Section Cutting of Mild Steels Using Disk Laser)

    High Efficiency Laser Oxygen Thick Section Cutting of Mild Steels Using Disk Laser
    Authors:
    Tao Zhang, Institute of Scientific and Technical Information of China, Ministry of Science and Technology; Beijing Peoples Republic of China
    Martin Sparkes, Institute for Manufacturing, Department of Engineering, Univ. of Cambridge; -
    Markus Gross, Institute for Manufacturing, Department of Engineering, Univ. of Cambridge; -
    Bill ONeill, Institute for Manufacturing, Department of Engineering, Univ. of Cambridge; Cambridge Great Britain
    Presented at ICALEO 2012

    As a high efficiency laser oxygen thick section cutting technology, the Laser Oxygen Thick Section C...

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