APPARATUS AND METHOD FOR THREE DIMENSIONAL RECORDING OF DATA, APPARATUS AND METHOD OF THREE DIMENSIONAL REPRODUCTION OF DATA, AND APPARATUS AND METHOD OF THREE DIMENSIONAL RECORDING AND REPRODUCTION OF DATA

摘要

PROBLEM TO BE SOLVED: To provide an apparatus and a method for recording and reproducing of data on the three dimensional space for improving spatial recording capacity and density.;SOLUTION: On the occasion of reflecting two beams of two-dimensional laser beams Bm1, Bm2 with two digital micro-mirror devices DMD1, DMD2, optical intensity modulation is executed based on the reflection pattern and both reflected beams are crossed at the predetermined region in the three-dimensional recording module MD for selective irradiation to a recording material and the material is changed, for the recording purpose, to an inductive compound through the opto-chemical reaction in the recording mode. Moreover, the crossing positions of both reflection beams are formed at different positions to form a recording track through update of the reflection pattern. Thereby, in the reproducing mode, light emission of visible light of the inductive compound with selection irradiation of the desired region is detected as the detected light beam dte with an optical sensor Ses of the radiation.detection optical unit Lut for data reproduction.;COPYRIGHT: (C)2000,JPO