14 January 1987 Sample Access: A Substitute For Continuous Track Counting
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Plan: 1) Actual Positioning Method 2) Sample Format Versus "Continuous" Format 3) Sample Access Methods Actual Positioning Method The small track pitch (equal to or less than 1.7 um) of digital optical disk devices makes a conventional mechanical access to a track very difficult to achieve. In fact, the eccentricity of the central hole (about 40 um) does not allow an absolute mechanical access to find a track.
© (1987) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Michel Thomas, Michel Thomas, } "Sample Access: A Substitute For Continuous Track Counting", Proc. SPIE 0695, Optical Mass Data Storage II, (14 January 1987); doi: 10.1117/12.936832; https://doi.org/10.1117/12.936832

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