Thermal Modeling of Grooved Phase Change Optical Recording Disk

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概要

• 論文の詳細を見る

• A new method of studying the laser induced temperature profiles of a multi-layered phase change optical disk is applied to the deep groove disk structure for the first time. The new model takes into consideration the thermal effects generated by both the incident and reflected light. Three-dimensional finite-element modelling and analyses of the new thermal model were carried out using commercial finite-element software MSC/PATRAN and ABAQUS. The calculated temperature differences between the new and the existing model are compared for grooves of depth 80 and 180 nm. Results showed that the reflected light gave rise to a significant temperature difference, especially in the deeper groove. Reduction of cross-erasure in adjacent tracks in a grooved phase change disk structure by using the deep groove method was also investigated. Findings showed that the reflected laser light gave rise to a significant temperature rise at the adjacent track.

• INSTITUTE OF PURE AND APPLIED PHYSICSの論文
• 1999-03-30

著者

• Chong Tow

  Data Storage Institute

• Shi Lu

  Data Storage Institute

• Liu Zhe

  Data Storage Institute National University Of Singapore

• HO Jia

  Data Storage Institute

• LEE Jek

  Data Storage Institute, National University of Singapore

• Chong Tow

  Data Storage Institute, National University of Singapore,

• Shi Lu

  Data Storage Institute, National University of Singapore,

• Ho Jia

  Data Storage Institute, National University of Singapore,

• Lee Jek

  Data Storage Institute, National University of Singapore,

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