Patent ID: 8009534
Filing Date: 2011-08-30
Classification: G11B

Abstract:
1. A method of recording data in a multilayered recordable optical recording medium having N (N is an integer of 2 or more) recording layers each of which layers includes a test recording area where test recording is executed for obtaining an optimum recording condition for actual recording, and which method includes a data recording step in which data are sequentially recorded in the recording layers from a first recording layer at a farthest position to an N th recording layer at a nearest position viewed from a recording and reproducing laser beam inputting direction in order, comprising: a test recording executing step which sequentially executes test recording in recordable recording layers having unrecorded parts from a p a test recording range using step which sequentially uses a plurality of test recording ranges formed by dividing the test recording area in a radius direction from one end to the other end of the recording medium in each of the recording layers (hereinafter this direction is referred to as a test recording direction); and a shifting step which shifts the test recording range of an (m+1)