• DocumentCode
    1447290
  • Title

    High-resolution readout from magneto-optical read-only-memory

  • Author

    Birukawa, Masahiro ; Miyatake, Norio ; Suzuki, Takao

  • Author_Institution
    Toyota Technol. Inst., Nagoya, Japan
  • Volume
    36
  • Issue
    5
  • fYear
    2000
  • fDate
    9/1/2000 12:00:00 AM
  • Firstpage
    2282
  • Lastpage
    2284
  • Abstract
    A high-resolution readout from MO-ROM method, which utilizes a difference in coercivity between “rough” and “smooth” areas in a disk is discussed. The readout performance is demonstrated using optical head of 680 nm wavelength and NA 0.55. It is found that the signal from mark length of 0.25 μm can be obtained in spite of 1.1 μm in spot size (1/e2). The observed readout signal is also found to be in reasonable agreement with a simulated result based on MO-ROM readout principle
  • Keywords
    coercive force; magneto-optical recording; optical disc storage; read-only storage; 0.25 micron; 1.1 micron; 680 nm; MO-ROM method; coercivity; high-resolution readout; magneto-optical read-only-memory; mark length; optical head; spot size; Apertures; Coercive force; Iron; Magnetooptic recording; Optical films; Optical recording; Optical refraction; Optical variables control; Read only memory; Substrates;
  • fLanguage
    English
  • Journal_Title
    Magnetics, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9464
  • Type

    jour

  • DOI
    10.1109/20.908398
  • Filename
    908398
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1447290