Sekisui Kagaku Kogyo Kabushiki Kaisha

Shinsaku Nakata

Toshinori Takagi

Masahiro Hotta

Kazuhiko Kanki

Yoshiyuki Fukumoto

Yoichi Mikami

Magnetic recording medium and process for production thereof

A magnetic recording medium comprising a non-magnetic substrate such as on polyethylene terephthalate film, and deposited on the surface of the substrate by a ionized cluster beam deposition method, at least one ferromagnetic material selected from the group consisting of cobalt, cobalt-containing alloys, mixtures of cobalt with other elements, and chromium dioxide; and a process for production thereof. The magnetic recording medium is characterized by having superior magnetic properties, especially superior coercive force, residual magnetic flux density and squareness ratio, and high mechanical strength.

Magnetic recording medium

A magnetic recording medium comprising a non-magnetic substrate such as polyethylene terephthalate film, and deposited on the surface of the substrate by an ionized cluster beam deposition method, at least one ferro-magnetic material selected from the group consisting of cobalt, cobalt-containing alloys, mixtures of cobalt with other elements, and chromium dioxide; and a process for production thereof. The magnetic recording medium is characterized by having superior magnetic properties, especially superior coercive force, residual magnetic flux density and squareness ratio, and high mechanical strength.

Process for production of magnetic recording medium

Growing community of inventors

Toyonaka, Japan

Shinsaku Nakata