The Features of DVD-RAM Stamper Studies via Laser Energy Adjustment
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概要
- 論文の詳細を見る
To enhance the validity of signal and optical reflectivity on DVD-RAM, in this study we performed variable laser recording power experiments, and established the theoretical model for simulating the features that of the groove/land and header on a DVD-RAM stamper. This is the first work showing the features of the groove/land and header on a DVD-RAM stamper, that is, the geometry of a stamper, are mainly governed by laser recording power, recording speed, wavelength, photoresist film thickness, and photoresist properties. At a constant photoresist thickness, a difference in laser recording power is caused by the radius of the embossed area. The theoretically predicted results agree with the measurements of the features of the groove/land and header on a DVD-RAM stamper. At a fixed recording speed, recording power, when increased, can significantly increase the width of the groove/land and the length of the header.
- 公益社団法人 応用物理学会の論文
- 2005-04-15
著者
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Wang Ming-wen
Department Of Mechanical Engineering Oriental Institute Of Technology
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Teng Kou-Hsin
Storage Media Research and Development Center, PRODISC TECHNOLOGY, Wugu-Shiang, Taipei, Taiwan 248, R.O.C.
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