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  • ICALEO 2006 Paper #M805 (SHADOW®- New Applications in Electronics and Micromechanics)

    SHADOW®- New Applications in Electronics and Micromechanics
    Authors:
    Alexander Olowinsky, Fraunhofer - ILT; Aachen Germany
    Arnold Gillner, Fraunhofer ILT; Aachen Germany
    Jens Gedicke, Fraunhofer ILT; Aachen Germany
    Kilian Klages, Fraunhofer ILT; Aachen Germany
    Reinhart Poprawe, Fraunhofer ILT; Aachen Germany
    Presented at ICALEO 2006

    The laser beam spot welding is a well known industrial process for contacting in electronics industry. The spot welding suffers the risk of weld splatters and melt ejections especially in welding of copper materials. The SHADOW® process with its advantages of low distortion and minimum contamination has been repo...

    $28.00

  • ICALEO 2006 Paper #M804 (Micro Edge Welding of Thin Ni Based Alloy Foils with Direct Diode Laser Processing and its Application)

    Micro Edge Welding of Thin Ni Based Alloy Foils with Direct Diode Laser Processing and its Application
    Authors:
    Masahiro Tsukamoto, Joining and Welding Research Institute, Osaka university; Ibaraki, Osaka Japan
    Nobuyuki Abe, Joining and Welding Research Institute, Osaka university; Ibaraki, Osaka Japan
    Yoshinori Funada, Industrial Research Institute of Ishikawa; Kanazawa Japan
    Presented at ICALEO 2006

    A direct diode laser system with an elliptical spot size of 200um by 2mm at a focal point was manufactured, and its applicability to micro edge welding of thin nickel based alloy foils with 100um in thickness was investigated. The specimens with a straight or round edg...

    $28.00

  • ICALEO 2006 Paper #M803 (Comparison of Different Process Monitoring Methods for Laser Beam Micro Welding)

    Comparison of Different Process Monitoring Methods for Laser Beam Micro Welding
    Authors:
    Alexander Olowinsky, Fraunhofer Institute for Lasertechnology; Aachen Germany
    Boris Regaard, Fraunhofer Institute for Lasertechnology; Aachen Germany
    Jens Gedicke, Fraunhofer Institute for Lasertechnology; Aachen Germany
    Kilian Klages, Fraunhofer Institute for Lasertechnology; Aachen Germany
    Stefan Kaierle, Fraunhofer Institute for Lasertechnology; Aachen Germany
    Presented at ICALEO 2006

    Although laser beam welding is an established joining technology in the field of precision engineering, welding of copper materials is still a delicate issue. The fluctuat...

    $28.00

  • ICALEO 2006 Paper #M802 (Tribaloy-800 Coatings on Steel Substrates by Means of Laser Cladding: Dilution Effects on the Microstructure and Coating Performance)

    Tribaloy-800 Coatings on Steel Substrates by Means of Laser Cladding: Dilution Effects on the Microstructure and Coating Performance
    Authors:
    Armando Yanez, Universidade Da CoruFerrol Spain
    Jose Carlos Alvarez, Universidade da Coruña; Ferrol Spain
    Jose M. Amado, Universidade da Coruña; Ferrol Spain
    Maria Tobar, Universidade da Coruña; Ferrol Spain
    Presented at ICALEO 2006

    The Co-Mo-Cr-Si alloys, mostly known as Tribaloy family, combine outstanding properties in terms of wear and corrosion resistance as well as in terms of mechanical strength. Compared with other wear resistant alloys, which generally gain their strength and hardness from hard phase ...

    $28.00

  • ICALEO 2006 Paper #M801 (Direct Fabrication of Thermosensors by Laser Micro-Cladding Functional Materials)

    Direct Fabrication of Thermosensors by Laser Micro-Cladding Functional Materials
    Authors:
    Xiaoyan Zeng, Huazhong University of Science and Technology; Wuhan Peoples Republic of China
    Xiangyou Li, Huazhong University of Science and Technology; Wuhan Peoples Republic of China
    Zhigang Dai, Huazhong University of Science and Technology; Wuhan Peoples Republic of China
    Presented at ICALEO 2006

    Sensors are very important products for the information society. As one of the most important sensors, thick film thermosensors are developing towards to smaller, higher intergratation and higher precise. Comparing with the thick film thermosensor fabricated by silk screen printing, t...

    $28.00

  • ICALEO 2006 Paper #M704 (Laser Technology for Cost Reduction in Silicon Solar Cell Production)

    Laser Technology for Cost Reduction in Silicon Solar Cell Production
    Authors:
    Aart Schoonderbeek, Laser Zentrum Hannover (LZH); Hannover Germany
    Uwe Stute, Laser Zentrum Hannover (LZH); Hannover Germany
    Andreas Ostendorf, Laser Zentrum Hannover (LZH); Hannover Germany
    Rainer Grischke, Institut für Solarenergieforschung Hameln /Emmerthal (ISFH); Emmerthal Germany
    Peter Engelhart, Institut für Solarenergieforschung in Hameln/Emmerthal (ISFH); Emmerthal Germany
    Rüdiger Meyer, Institut für Solarenergieforschung Hameln/Emmerthal (ISFH); Emmerthal Germany
    Rolf Brendel, Institut für Solarenergieforschung in Hameln/Emmerthal (ISFH) ; Hann...

    $28.00

  • ICALEO 2006 Paper #M703 (Laser Processing for Back-Contacted Silicon Solar Cells)

    Laser Processing for Back-Contacted Silicon Solar Cells
    Authors:
    Peter Engelhart, ISFH; D-31860 Emmerthal Germany
    Rainer Grischke, ISFH; Emmerthal Germany
    Ruediger Meyer, ISFH; Emmerthal Germany
    Aart Schoonderbeek, LZH; Hannover Germany
    Andreas Ostendorf, LZH; Hannover Germany
    Rolf Brendel, ISFH; Emmerthal Germany
    Uwe Stute, LZH; Hannover Germany
    Presented at ICALEO 2006

    We present a high-efficiency back-contacted silicon solar cell concept, where laser technology is applied as a key processing tool. The main goal in PV research is to reduce the Watt-peak costs of solar cells significantly. Innovative cell concepts in...

    $28.00

  • ICALEO 2006 Paper #M702 (Advanced Fiber Laser Marking on Very Small IC Packages and Microprocessing of Very Thin Films (Invited Paper))

    Advanced Fiber Laser Marking on Very Small IC Packages and Microprocessing of Very Thin Films (Invited Paper)
    Authors:
    Rakesh Bhandari, Sunx Ltd; Kasugai-Shi Aichi Japan
    T. Kamiya, SUNX Limited; Aichi Japan
    Presented at ICALEO 2006

    Small integrated circuit packages pose a challenge in marking them, due to their extremely small size and thin wall-thickness. A marker machine, using a special fiber laser, has been developed to meet this need. Characters as small as 0.2 mm x 0.2 mm, with a marking depth of a few microns, can be marked at a speed of over 600 characters per second. We also introduce a pulsed fiber laser marker that can selectively process submicron thin films deposited o...

    $28.00

  • ICALEO 2006 Paper #M701 (Recent Advances in Laser Micromachining for Semiconductor and Microfluidic Applications (Invited Paper))

    Recent Advances in Laser Micromachining for Semiconductor and Microfluidic Applications (Invited Paper)
    Authors:
    Andrew Hooper, Electro Scientific Industries; Portland OR USA
    Edward Swenson, Electro Scientific Industries; Portland OR USA
    Robert Hainsey, Electro Scientific Industries; Portland OR USA
    Michael Nashner, Electro Scientific Industries; Portland OR USA
    Presented at ICALEO 2006

    Recent advances in fiber amplified lasers, modelocked technology, and harmonic conversion not only have enabled improvements in traditional micromachining applications but also have opened the door for laser processing in new areas. This paper will review recent work with ...

    $28.00

  • ICALEO 2006 Paper #M607 (The Role of Fibre Lasers in Selective Layer Melting Process)

    The Role of Fibre Lasers in Selective Layer Melting Process
    Authors:
    John Tinson, SPI Lasers; Southampton Great Britain
    Presented at ICALEO 2006

    Rapid prototyping has evolved from polymer form and fit components to fully functional metallic form, fit and functional parts. Advances in build speeds and fill density as well as the creation of titanium, stainless, aluminum and cobolt chrome powders has taken laser based rapid prototyping fully into the realms of tool free rapid production. This paper presents new results, with the fiber laser enabling better surface finish and fill density. Equipment, materials and applications associated with this process are presented, and the laser attributes re...

    $28.00

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