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| Number | Title | Issue Date |
| 8116194 | Optical information recording method, optical information recording medium, optical information reproducing device, optical information reproducing method and optical information recording and reproducing device The invention is able to enhance a recording speed. In the invention, a recording mark (RM) composed of a cavity is formed by vaporizing a two-photon absorbing material by a two-photon absorption reaction as an embodiment of a photoreaction against a recording light... | 02/14/2012 |
| 7468200 | Write once optical recording medium A write once optical recording medium has an inorganic recording film which includes an oxide film having germanium oxide (GeO) as a principal component, and a metal film adjacent to the oxide film, the metal film having a titanium/silicon alloy (TiSi) as a principa... | 12/23/2008 |
| 7464391 | Optical recording medium An optical recording medium using Sn as the recording material to improve the jitter is provided, in which on the surface of a disc substrate 11 where a concave and convex shape dividing a track area is formed, are formed on the surface of the concave and con... | 12/09/2008 |
| 7427431 | Write once optical recording medium A write once optical recording medium includes a substrate on which an oxide film serving as an inorganic recording film is formed, the oxide film being made of a recording material of an oxide Ge1Ox (x is an atomic number ratio) of germanium (... | 09/23/2008 |
| 7092343 | Optical recording and reproducing method and apparatus having multiple recording layers An optical recording medium having two or more information recording layers in which information is recorded at a high recording density. The optical recording medium is comprised of information recording layers between a first surface at which light is incident and... | 08/15/2006 |
| 7008753 | Optical recording medium The present invention provides an optical recording medium including a recording layer and an optical reflection layer formed on a substrate. The recording layer contains at least one particular polymethine pigment selected from polymethine pigments having 1 to 4 ca... | 03/07/2006 |
| 6727041 | Optical recording media Optical recording media comprising a base (1), a recording layer (2) formed thereon, and a reflecting layer (3) formed on the layer (2), wherein the recording layer (2) contains at least one kind of specified dyes selected from amo... | 04/27/2004 |
