Optical recording film for optical recording medium and optical recording medium
AssigneeKabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
InventorsHironori KAKIUCHI, Hideo FUJII
Life of this patent
Estimating the term…
Abstract
Disclosed herein is a recording film for an optical recording medium, in which recording marks are to be formed by irradiation with a laser beam. The recording film is made of an In-base alloy containing either of an In—Ni alloy and an In—Co alloy or both the In—Ni alloy and In—Co alloy in a content in the range of 1 to 50% at. and nitrogen. The In—Ni alloy preferably has a nitrogen content in the range of 5 to 14% at. and the In—Co alloy preferably has a nitrogen content in the range of 5 to 20% at.
Claims12
A recording film for an optical recording medium, in which recording marks are to be formed by irradiation with a laser beam, said recording film comprising an In-base alloy comprising either of an In—Ni alloy and an In—Co alloy or both the In—Ni alloy and In—Co alloy in a content in the range of 1 to 50% at. and nitrogen.
Dependencies are inferred from the claim text.