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Imaging of Recording Marks and Their Jitters With Different Writing Strategy and Terminal Resistance of Optical Output

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6 Author(s)
Cheng Hung Chu ; Dept. of Phys., Nat. Taiwan Univ., Taipei ; Bau Jung Wu ; Tsung Sheng Kao ; Yuan Hsing Fu
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The relation between recording mark formation and jitter value with radial orient spot (ROS) type laser spot recording was investigated by using a new imaging method of conductive-atomic force microscopy (C-AFM). The readout performances of recording marks were studied by changing the terminal resistance of optical pickup head and writing strategies. The results of clear C-AFM images showed that is possible to adjust the conditions of terminal resistance and writing strategies to have better readout signal performance.

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Magnetics, IEEE Transactions on  (Volume:45 ,  Issue: 5 )