Magnetic recording medium and process for the production thereof
AssigneeFuji Photo Film Co., Ltd.
InventorsYoshihiro Ono, Akira Nabara, Tomoaki Ikeda
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Abstract
A magnetic recording medium comprising a non-magnetic support having thereon a vapor-deposited solid film of a ferromagnetic material formed by vacuum evaporation, on the surface of said magnetic recording medium being further provided a vapor deposited film of an organic lubricant, a macromolecular material or a mixture thereof.
Claims15
A magnetic recording medium comprising a non-magnetic support having thereon a vapor deposited solid film of a ferromagnetic material formed by vacuum evaporation, and on the surface of said ferromagnetic material there being further provided a vapor deposited film of an organic lubricant selected from the group consisting of a paraffin wax, a higher fatty acid, an oxyfatty acid, a fatty acid amide, a fatty acid ester, a fatty alcohol, a metal soap and a mixture thereof or a mixture of the organic lubricant and a macromolecular material.
A process for preparing a magnetic recording medium which comprises vapor depositing by vacuum evaporation a solid film of a ferromagnetic material on a non-magnetic support and then vapor depositing on said ferromagnetic material a film of an organic lubricant selected from the group consisting of a paraffin wax, a higher fatty acid, an oxyfatty acid, a fatty acid amide, a fatty acid ester, a fatty alcohol, a metal soap and a mixture thereof, or a mixture of the organic lubricant and a macromolecular material.
Dependencies are inferred from the claim text.