| 摘要 |
PURPOSE:To obtain a large modulation degree of a signal even when information is reproduced by various kinds of CD players on the market after the same EFM modulated signal as a CD is recorded, and to make length between the bit and the bit of 11T stipulated in a CD standard nearly equal, and accordingly, to obtain good interchangeability with the CD player on the market. CONSTITUTION:This invention is related to an optical recording medium in which a recording layer containing coloring matter, a reflecting layer and a protective layer are formed in this order on a base board, and at the time of recording the information, a pore is formed in the recording layer at a part irradiated by a recording laser beam and such an optical recording method. |
