Patents Assigned to Camena Est
  • Re-usable information recording medium
    Patent number: 6292460
    Abstract: A re-usable information recording medium provided with a sensitive layer which comprises a plurality of particles having a magnetically responsive position, and a retaining material embedding the particles and having a temperature dependent viscosity, the particles and the retaining material exhibiting light absorption spectra which are different one from the other.
    Type: Grant
    Filed: July 9, 1999
    Date of Patent: September 18, 2001
    Assignee: Camena Est
    Inventor: Yury Popov