OPTICAL DISK AND OPTICAL DISK DEVICE

• Main Authors: NAKAHARA HIROISA, TAKESHITA NOBUO, OGAWA MASAHARU
• Format: Patent
• Language: English
• Published: 28.09.2006
• Subjects: INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; PHYSICS

PROBLEM TO BE SOLVED: To provide an optical disk and an optical disk device wherein access time can be shortened. SOLUTION: A plurality of information layers L1, L2 and L3 different in optical disk specification are provided on an optical disk and are laminated in the thickness direction of the opti...