| Patent Number |
Title Of Patent |
Date Issued |
| 7362683 |
Optical recording method |
April 22, 2008 |
| An optical recording method of recording information to a phase change optical recording medium with alternate application of peak power and bias power in a pulse manner and with changing a pulse application interval continuously from an inner part through an outer part of the record |
| 7260044 |
Recording method for a phase-change optical recording medium |
August 21, 2007 |
| The present invention provides a recording method for a phase-change optical recording medium. The recording method of the present invention contains the step of irradiating an electromagnetic wave having a multipulse pattern so as to perform recording on a phase-change optical recor |
| 7063875 |
Optical recording medium |
June 20, 2006 |
| An optical disc having a transition linear velocity of 8-11 m/s when irradiating continuous light with 11.+-.1 mW and a wavelength of 660.+-.10 nm using a pickup head with a numerical aperture (NA) of 0.65, and satisfying the following condition: .DELTA.R=|Rb--Ra|.ltoreq.3% where Rb |
| 6958180 |
Phase change optical recording medium |
October 25, 2005 |
| A phase change optical recording medium having a wide recording power margin and excellent durability to repetitive recording is disclosed. The medium includes a first protective layer, a recording layer, an interface layer, a second protective layer, and a reflective layer, the layers |
| 6770346 |
Optical recording medium and recording method |
August 3, 2004 |
| An optical recording medium comprising a recording layer which comprises a phase-change recording material causing a reversible phase change between a crystalline phase and an amorphous phase by irradiation with an electromagnetic wave, wherein the phase-change recording material mainly |
