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17 September 2002 Storage density expansion by off-track recording
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We have delivered an idea, based on multiple level coding, to read and write with the multiple level tracking system. By utilizing off-track recording and multi-level coding, we may increase the track density to expand the optical disc density. Off-track recording is a design using LC diffractive optical element (LCDOE) to control the recording beam in desired angle. Another beam is for reading and tracking.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Derray Huang, Jau-Jiu Ju, Yuan-Chin Lee, Yi-Liang Chen, and Wei-Chih Lu "Storage density expansion by off-track recording", Proc. SPIE 4930, Advanced Optical Storage Technology, (17 September 2002);


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