| 摘要 |
PROBLEM TO BE SOLVED: To enhance productivity in a method for manufacturing a recording medium and a manufacturing device used for the same.SOLUTION: In a method for manufacturing the recording medium including a first step of disposing the plate-shaped recording medium 14 in a prescribed position and a second step of making a reference beam 34 incident in the recording medium 14 from one surface side of the recording medium 14 and making a plurality of signal beams 35, 36 and 37 incident in the recording medium 14 from the other surface side of the recording medium 14, in the second step, the plurality of signal beams 35, 36 and 37 form optical spots 35a, 36a and 37a in the positions different in the thickness direction between the one surface side and the other surface side in the recording medium 14. |
