| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical master disk exposing device which can shorten the exposing time of an optical master disk, and also which can be miniaturized, and whose power consumption can be saved, and whose cost can be lowered. <P>SOLUTION: Exposed areas where are wobbled in the radial direction are formed on an optical master disk 111 by making laser luminous fluxes emitted respectively from three sets of semiconductor laser 101a, 101b, 101c which are mounted on the optical exposing device to be converged on the optical master disk 111 as optical spots 102d, 102e, 102f positioned at positions where are shifted a little in the orthogonal direction with respect to the direction of the rotation of the optical master disk 111 and by turning on and off the three sets of the semiconductor lasers 101a, 101b, 101c respectively and independently. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
