Patent ID: 7957238
Filing Date: 2011-06-07
Classification: G11B

Abstract:
1. An optical recording method comprising the steps of: reading recommended write strategy parameters and a recommended asymmetry value from an optical recording medium on which the recommended write strategy parameters and recommended asymmetry value have been recorded; determining a pulse width of write strategy parameters to be used in recording, based on the recommended write strategy parameters and characteristics of an optical system of an optical pickup of an optical recording device used in recording, and the determined pulse width being calculated using a predetermined calculation formula; determining an asymmetry value to be used in recording, based on the recommended write strategy parameters and characteristics of the optical system of the optical pickup of the optical recording device used in recording, the determined asymmetry value being calculated using a predetermined calculation formula; determining an optimal recording power based upon the determined pulse width of the write strategy parameters and the determined asymmetry value; and writing to the optical recording medium by use of the optical recording device, using a write strategy having both the determined pulse width and the optimal recording power thus determined, wherein determining a pulse width includes calculating a leading pulse width as the pulse width of the write strategy parameters for recording each mark, based on a ratio of a recommended leading pulse width parameter of the write strategy for recording each mark included in the recommended write strategy parameters with respect to the square of the recommended leading pulse width parameter of the write strategy for recording the shortest mark included in the recommended write strategy parameters.