DOUBLE-SIDE RECORDING DISK AND ITS FACE IDENTIFYING METHOD

PROBLEM TO BE SOLVED: To provide a double-side recording disk capable of being relatively and easily manufactured and easily identifying the front side and rear side. SOLUTION: The recording disk is provided with a recording layer where recording information is recorded on and a disk main body 23 co...

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Bibliographische Detailangaben
1. Verfasser: KAMIYAMA TSUGUYUKI
Format: Patent
Sprache:eng
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