HOLOGRAPHIC DISK MEDIUM WITH SERVO MARK

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). SOLUTION: The holographic disk medium (1) has a recording l...

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Bibliographic Details
Main Authors KNAPPMANN STEPHAN, KNITTEL JOACHIM, RICHTER HARTMUT
Format Patent
LanguageEnglish
Published 24.08.2006
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHIC PROCESSES OR APPARATUS
HOLOGRAPHY
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHOTOGRAPHY
PHYSICS
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Summary: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). 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. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20060032457