ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
G11B0007240500 being also used as track layers of pre-formatted layers (tracks or pits G11B0007240700) 1
G11B0007240530 Protective topcoat layers lying opposite to the light entrance side, e.g. layers for preventing electrostatic charging 1
G11B0007240560 Light transmission layers lying on the light entrance side and being thinner than the substrate, e.g. specially adapted for Blu-ray; disks 1
G11B0007240590 specially adapted for near-field recording or reproduction 1
G11B0007240620 Reflective layers 1
G11B0007240650 Layers assisting in recording or reproduction below the optical diffraction limit, e.g. non-linear optical layers or structures (cover layers for near-field media G11B0007240590) 1
G11B0007240670 Combinations of two or more layers with specific interrelation 1
G11B0007240700 Tracks or pits; Shape, structure or physical properties thereof (layout of tracks or pits used as the identification information G11B0007007000) 1
G11B0007240730 Tracks 1
G11B0007240760 Cross sectional shape in the radial direction of a disk, e.g. asymmetrical cross sectional shape 1
G11B0007240790 Width or depth (G11B0007240760 takes precedence);; 1
G11B0007240820 Meandering 1
G11B0007240850 Pits 1
G11B0007240880 for storing more than two values, i.e. multi-valued recording for data or prepits 1
G11B0007240910 Combinations of pits and tracks with specific interrelation 1