Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Reexamination Certificate
2007-08-07
2007-08-07
Tran, Thang V (Department: 2627)
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Radiation beam modification of or by storage medium
C359S011000
Reexamination Certificate
active
10930770
ABSTRACT:
A method for storing holographic data in a medium having a reflection layer and a recording layer comprises: recording, rotating and repeating. An interference pattern is recorded at a recording position of the recording layer of the medium in a stationary state. The interference pattern is formed by an interference between an object beam and a reference beam which are irradiated into the recording layer from an opposite side of the reflection layer. The medium is rotated so as to shift the recording position by a distance of n×Sh where n is a positive integer and Sh is a predetermined recording shift amount. The recording and the rotating are repeated alternately.
REFERENCES:
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patent: 7130092 (2006-10-01), Horimai
patent: 2003/0090969 (2003-05-01), Matsumoto et al.
patent: 2005/0002311 (2005-01-01), Ichihara et al.
patent: 11-345419 (1999-12-01), None
patent: 2002-183975 (2002-06-01), None
Hayase Rumiko
Hirao Akiko
Ichihara, legal representative Urara
Matsumoto Kazuki
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