Patents Assigned to Saiteku Corporation
  • Magnetic recording medium with vertically oriented magnetic particles
    Patent number: 4672009
    Abstract: A film type magnetic recording medium including a film substrate, and a magnetic film with a plurality of needle shaped magnetic grains dispersed in the magnetic film oriented to be substantially perpendicular to the surface of the magnetic film and vertically overlap one another. The film is coated on the substrate and then dried in a magnetic field perpendicularly oriented to the film surface so that the grains are fixed in an orientation substantially perpendicular to the film surface.
    Type: Grant
    Filed: December 6, 1984
    Date of Patent: June 9, 1987
    Assignee: Saiteku Corporation
    Inventor: Yasunori Takahashi