HOLOGRAM RECORDING MEDIUM, AND HOLOGRAM RECORDING AND REPRODUCING METHOD AND APPARATUS

PROBLEM TO BE SOLVED: To provide a hologram recording medium which makes the miniaturization of the apparatus possible. SOLUTION: The hologram recording medium is subjected to recording or reproducing of information by a diffraction grating formed by irradiation with a coherent light beam and has a...

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Bibliographic Details
Main Authors KUBOTA YOSHIHISA, SUGIURA SATOSHI, HASHIMOTO MICHIICHI, SAKANO ATSUO, ITO YOSHINAO, TANAKA SATORU, KURODA KAZUO, TACHIBANA AKIHIRO
Format Patent
LanguageEnglish
Published 11.08.2005
Edition7
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 hologram recording medium which makes the miniaturization of the apparatus possible. SOLUTION: The hologram recording medium is subjected to recording or reproducing of information by a diffraction grating formed by irradiation with a coherent light beam and has a recording medium section composed of a translucent first photosensitive material and an incident light processing region section which is composed of a second photosensitive material and is disposed on the side opposite to the incident side of the light beam of the recording medium section and with which at least one characteristic value of absorptivity and transmissivity changes. COPYRIGHT: (C)2005,JPO&NCIPI
Bibliography:Application Number: JP20040023571