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  1. No Access

    Article

    257 nm Deep UV Femtosecond Laser Ablation with Minimized Crack and Chip** on Display Ultra-Thin Glass

    Glass is widely used for various applications, including flat panel displays, solar panels, architectural windows, and exterior materials. These applications exhibit increasing complexity and improved function...

    Kwangwoo Cho, Junha Choi, Changdeok Ko… in International Journal of Precision Enginee… (2024)

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    Article

    A Study of Ultrafast Ablation on ITO Thin Films with Wavelengths of 513 and 1026 nm for High Resolution Patterning

    Indium tin oxide (ITO) exhibits transparency and high electrical conductivity in the visible and near-IR wavelength ranges. Therefore, ITO is used in liquid crystal displays, organic light-emitting diodes, pho...

    Junha Choi… in International Journal of Precision Engineering and Manufacturing (2023)

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    Article

    Morphologies of Cemented Tungsten Carbides Irradiated by Femtosecond Laser with High Pulse Energy for Machining Enhanced Cutting Tools

    Recently, ultrafast laser machining has been used to machine hard materials. Ultrafast laser machining can be precisely machined without a non-thermal effect or damage to machining tools. However, their morpho...

    Young-Gwan Shin, Junha Choi, Sung-Hak Cho in International Journal of Precision Enginee… (2023)

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    Article

    Micro-cutting with diamond tool micro-patterned by femtosecond laser

    The demand for micro-scale surface machining has been steadily increasing, and various methods have been introduced. Among these, microcutting with a diamond tool removes material by making multiple cutting pa...

    Jaegu Kim, Tae-** Je, Sung-Hak Cho… in International Journal of Precision Enginee… (2014)