Containing Organo-metallic Compounds (g9b/7.148 Takes Precedence) [n0505] {g11b 7/249} Patents (Class G9B/7.155)

Cross-Reference Art Collections

[n: neutral] [n0804] {g11b 7/249b} (Class G9B/7.156)
[n: as anion] [n0804] {g11b 7/249d} (Class G9B/7.157)
[n: as cation] [n0804] {g11b 7/249f} (Class G9B/7.158)
  • Optical information recording medium, method of recording information, and azo metal complex dye
    Patent number: 8092890
    Abstract: The optical information recording medium comprises a recording layer on a surface of a support. The surface of the support has pregrooves with a track pitch ranging from 50 to 500 nm, the recording layer comprises an azo metal complex dye, the azo metal complex dye is a complex of one or more azo dye and transition metal ions of which number is equal to or greater than the number of the azo dye. The azo metal complex dye comprises two or more transition metal ions per molecule, and in a molecule of the azo metal complex dye.
    Type: Grant
    Filed: April 11, 2008
    Date of Patent: January 10, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Kousuke Watanabe, Tetsuya Watanabe, Taro Hashizume, Masashi Ogiyama
  • Organic compound for recording layer for high speed recording of information and optical recording medium including the same
    Patent number: 7781044
    Abstract: A recording layer including a novel organic compound for a high density optical recording medium is provided. The information may be recorded on the recording layer at a 2× speed or higher speed with a relatively lower writing power so that heat distribution of the recording layer in the irradiated area is not likely to become steep both in time and space. The organic compound incorporated in the recording layer has the following general chemical structural formula (I).
    Type: Grant
    Filed: September 5, 2007
    Date of Patent: August 24, 2010
    Assignee: Industrial Technology Research Institute
    Inventors: Ming-Chia Li, An-Tse Lee, Chien-Liang Huang, Chung-Ta Cheng, Kuo-Chi Chiu, Tzuan-Ren Jeng