| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a holographic disk medium (1) with servo marks (7), more specifically a holographic disk medium (1) having a common reflective layer (3) for reflecting a servo beam (9) and an object and reference beams (8). <P>SOLUTION: The holographic disk medium (1) has a recording layer (2) for recording holograms (6) and the reflective layer (3) for reflecting the servo beam (9) and the object and the reference beams (8) and includes the servo marks (7) which are located in the reflective layer (3) at least partly below the holograms (6), wherein the servo marks (7) are designed such that their influence on the object and the reference beams (8) is minimized. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
