• PICALO 2008 Paper #M1002 (Practical Issues in Laser Micro/Nano Machining)

    Practical Issues in Laser Micro/Nano Machining
    Authors:
    Wenwu Zhang, GE Global Research; Schenectady NY USA
    Jeffrey Shaw, GE Global Research; Schenectady NY USA
    Brian Farrell, GE Global Research; Schenectady NY USA
    Presented at PICALO 2008

    Laser has become an important tool for micro/nano machining. To enable the successful application of laser micro/nano machining in manufacturing, requirements on geometry, speed and quality have to be fulfilled. In this paper, we review several representative applications of laser micro/nano machining, and discuss ways of solving the practical issues simultaneously.

    $28.00

  • PICALO 2008 Paper #M1003 (Laser-assisted Hot Embossing of Microstructures)

    Laser-assisted Hot Embossing of Microstructures
    Authors:
    Jens Holtkamp, Fraunhofer Institute for Laser Technology; Aachen Germany
    Arnold Gillner, Fraunhofer Institute for Laser Technology; Aachen Germany
    Presented at PICALO 2008

    Conventional technologies for the manufacturing of micro-structured components with geometries below 100µm are injection moulding and hot embossing. Both technologies are mainly limited to polymer materials and require long cycle times since the whole forming tool has to be heated. These drawbacks can be eliminated by a newly developed laser assisted hot embossing technology, where high energy density laser radiation is used for a selective and fast heatin...

    $28.00

  • PICALO 2008 Paper #M101 (Fundamental Issues Concerning Material Removal by Laser Irradiation of Insulating Materials (Invited Paper))

    Fundamental Issues Concerning Material Removal by Laser Irradiation of Insulating Materials (Invited Paper)
    Authors:
    Tom Dickinson, Washington State University; Pullman WA USA
    Presented at PICALO 2008

    Laser materials interactions underlie a multitude of applications ranging from surface modification and structure formation, machining and cutting, and the formation of atom/molecule/ion sources for thin film growth (pulsed laser deposition). For several years we have been investigating the laser-induced emission mechanisms from materials at fluences below the threshold for optical breakdown in transparent wide bandgap materials. Under these conditions, very gentle, single atomic layer manipulat...

    $28.00

  • PICALO 2008 Paper #M102 (Processing of Polymer and Organic Materials using Tunable Ultrafast Mid-Infrared Lasers (Invited Paper))

    Processing of Polymer and Organic Materials using Tunable Ultrafast Mid-Infrared Lasers (Invited Paper)
    Authors:
    Richard Haglund, Vanderbilt University; Nashville TN USA
    Nicole Dygert, Vanderbilt University ; Nashville TN USA
    Stephen Johnson, Vanderbilt University ; Nashville TN USA
    Kenneth Schriver, Vanderbilt University ; Nashville TN USA
    Hee Park, Appliflex Llc; Mountain View CA USA
    Presented at PICALO 2008

    The principal vibrational modes of many polymers and organic materials of interest for electronic and electro-optic applications lie in the mid-infrared region of the spectrum between 2 and 10 µm. Most of these bands are shown in Figu...

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  • PICALO 2008 Paper #M105 (Direct Measurement of Temperature Distribution in Silicon by Ultrashort Laser Pulses)

    Direct Measurement of Temperature Distribution in Silicon by Ultrashort Laser Pulses
    Authors:
    Hong Yu Zheng, Singapore Institute of Manufacturing Technology; Singapore Singapore
    Y.C. Lam, Nanyang University ; Singapore Singapore
    Presented at PICALO 2008

    Femtosecond (fs) laser has been demonstrated as a high precision micromachining tool for materials processing because of its advantages of reduced thermal damage to the concerned substrate compared to long-pulsed lasers. It is often believed that most of the absorbed laser energy is carried away by the ablated material, leaving negligible amounts of thermal energy dissipated into the bulk of the remaining material. In contrast, pr...

    $28.00

  • PICALO 2008 Paper #M1101 (Laser Fabrication of Nanoparticles and Crystals in Solution (Invited Paper))

    Laser Fabrication of Nanoparticles and Crystals in Solution (Invited Paper)
    Authors:
    Hiroshi Masuhara, Osaka University; Chuo-Ku, Kobe Japan
    Teruki Sugiyama, Hamano Foundation, Center for Advanced Science and Innovation ; Osaka Japan
    Hiroki Takeuchi, Osaka University ; Osaka Japan
    Tsuyoshi Asahi, Osaka University ; Osaka Japan
    Hiroshi Yoshikawa, Osaka University ; Osaka Japan
    Yoichiroh Hosokawa, Osaka University ; Osaka Japan
    Presented at PICALO 2008

    Focusing femtosecnd lasser pulse or intense CW YAG laser, we have suceeded in fabricating small nanoparticles, and organic and protein crystals. Under such intense laser irradiation, ...

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  • PICALO 2008 Paper #M1102 (Fabrication of Nanomaterials by Laser Irradiation in Liquid Phase (Invited Paper))

    Fabrication of Nanomaterials by Laser Irradiation in Liquid Phase (Invited Paper)
    Authors:
    Naoto Koshizaki, National Institute of Advanced Industrial Science and Technology (AIST); Tsukuba Japan
    Takeshi Sasaki, National Institute of Advanced Industrial Science and Technology (Aist); Tsukuba Japan
    Presented at PICALO 2008

    We have been working on a nanoparticle fabrication technique by irradiating laser light onto a plate placed or powder dispersed in liquid media. This technique has several advantages over conventional nanoparticle preparation in liquid phase; highly pure nanoparticles with less use of surfactant molecules mostly toxic in biological systems, and crystallized nanopar...

    $28.00

  • PICALO 2008 Paper #M1103 (Flash Lamp Curing of Nano-Particulates for Passive Device Fabrication (Invited Paper))

    Flash Lamp Curing of Nano-Particulates for Passive Device Fabrication (Invited Paper)
    Authors:
    James Sears, South Dakota School of Mines & Technology; Rapid City SD USA
    Jeffery West, South Dakota School of Mines & Technology; Rapid City SD USA
    Michael Carter, South Dakota School of Mines & Technology; Rapid City SD USA
    Presented at PICALO 2008

    Photonic Curing is being developed to cure or sinter metal nano-particle based films by exposing them to a brief, intense pulse of light from a xenon flash lamp. This photonic curing technology allows for rapid and selective heating that fuses nano-scale metallic ink particles into functional components. This technology allows th...

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  • PICALO 2008 Paper #M1201 (Aligned Growth of Zno Nanowires by Laser Ablation and Their Applications (Invited Paper))

    Aligned Growth of Zno Nanowires by Laser Ablation and Their Applications (Invited Paper)
    Authors:
    Tatsuo Okada, Kyushu University; Fukuoka Japan
    Jun Nishimura, Kyushu University; Kukuoka Japan
    Ruiqian Guo, Fudan University ; Shanghai Peoples Republic of China
    Masato Matsumoto, Kyushu University; Fukuoka Japan
    D. Nakamura, Kyushu University; Fukuoka Japan
    M. Higashihata, Kyushu University; Fukuoka Japan
    Presented at PICALO 2008

    I am going to present our recent progress in the syntesis of ZnO nanowires by nanoparticle assisted pulsed laser deposition, and their possible applications to optelectronic devices.

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  • PICALO 2008 Paper #M1202 (Laser Micro Adjustment Technology - Possibilities and Challenges for Novel Applications (Invited Paper))

    Laser Micro Adjustment Technology – Possibilities and Challenges for Novel Applications (Invited Paper)
    Authors:
    Michael Schmidt, Bayerisches Laserzentrum GmbH; Erlangen Germany
    P. Bechtold, Bayerisches; Erlangen Germany
    Presented at PICALO 2008

    In the field of micro technology highest accuracies in terms of position, angles and distances are of particular importance. It is becoming increasingly expensive and difficult to directly position and fix critical components to each other for two reasons: on the one hand, the dimensions and thus the tolerances get smaller due to ongoing miniaturisation and on the other hand, the number of integrated functional components is rising consta...

    $28.00

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