Patent ID: 7852727
Filing Date: 2010-12-14
Classification: G11B

Abstract:
1. A device for recording information in a recording medium capable of being set in a first state with an energy beam at a first power level and in a second state with an energy beam at a second power level higher than said first power level, said energy beam and said recording medium being moved relatively to each other while radiating said energy beam on said recording medium thereby to record information on said recording medium, the device comprising: means for immediately after irradiation of said recording medium with an energy beam pulse at said second power level, irradiating said recording medium with an energy beam pulse at a third power level lower than said first power level, said third power level being kept for a first pulse duration; and means for controlling said first pulse duration of said third power level depending on a length of a space portion to be recorded on said recording medium.