ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
G11B0007137200 Lenses 1
G11B0007137400 Objective lenses 1
G11B0007137600 Collimator lenses 1
G11B0007137800 Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders 1
G11B0007138100 Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops (G11B0007135300-G11B0007136900;  take precedence);; 1
G11B0007138400 Fibre optics 1
G11B0007138700 using the near-field effect 1
G11B0007139000 Numerical aperture control means 1
G11B0007139200 Means for controlling the beam wavefront, e.g. for correction of aberration 1
G11B0007139500 Beam splitters or combiners (G11B0007135300, G11B0007135600 take precedence);; 1
G11B0007139800 Means for shaping the cross-section of the beam, e.g. into circular or elliptical cross-section 1
G11B0007140000 specially adapted to record on, or to reproduce from, more than one track simultaneously 1
G11B0007220000 Apparatus or processes for the manufacture of optical heads, e.g. assembly 1
G11B0007240000 Record carriers characterised by shape, structure or physical properties, or by the selection of the material  (characterised by the arrangement of information on the carrier G11B0007007000) 1
G11B0007240030 Shapes of record carriers other than disk shape 1