Back to results
US 5,311,500 AGranted
Magneto-optical disk
AssigneeFuji Photo Film Co., Ltd.
InventorsManabu Higuchi, Takashi Yamada, Masaaki Nomura, Akira Nahara
Life of this patent
Estimating the term…
Abstract
A magneto-optical disk comprises a substrate and at least a magneto-optical recording layer provided on the substrate. A moisture barrier layer constituted of a fluorine resin is provided on the surface of the substrate on the side opposite to the substrate surface on which the magneto-optical recording layer is provided.
Claims2
A magneto-optical disk comprising a substrate and at least a magneto-optical recording layer provided on said substrate,
- wherein the improvement comprises the provision of a moisture barrier layer comprising an alkyl fluoride-acrylic copolymer on the surface of said substrate on the side opposite to the substrate surface on which said magneto-optical recording layer is provided.
Dependencies are inferred from the claim text.