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Thermal limitations in optical recording

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2 Author(s)
Nelson, D.J. ; Dept. of Mech. Eng., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA ; Vick, Brian

The fundamental thermal process used to write information to optical media is investigated using a simplified thermal model. The thermal model is solved using a Green's function method which requires only numerical quadrature to evaluate an analytical solution. The results show the effects of the duration and period of the heat source, and the rotational speed of the media on the spot size and transient thermal response produced on the surface of the media in terms of nondimensional parameters. To resolve very small time and length scales, a microscale model for conduction and radiation heat transfer in a multilayer structure is proposed

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Components, Packaging, and Manufacturing Technology, Part A, IEEE Transactions on  (Volume:18 ,  Issue: 3 )