Optical recording medium
AssigneeFuji Photo Film Co., Ltd.
InventorsYoshihisa Usami, Noboru Komori
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Abstract
The present invention relates to a disc-shaped optical recording medium, which includes at least one sputter layer formed through a sputtering method, having an arrangement in which the inner circumference of the above-mentioned sputter layer is located on the inner side from a stack ring, and to an optical recording medium which is formed by bonding a pair of disc-shaped substrates, each having a hole in the center portion thereof, to each other through a bonding layer made from an adhesive with a print layer being formed on one side. The inner edges of the above-mentioned bonding layer and print layer are located within a range from 18 mm from the center of the above-mentioned hole.
Claims20
A disc-shaped optical recording medium comprising at least one sputter layer formed by a sputtering method, wherein an inner circumference of the sputter layer is located on an inner side from a stack ring.
An optical recording medium comprising:
- a pair of disc-shaped substrates, each having a hole in the center portion thereof, that are bonded to each other through a bonding layer made from an adhesive with a print layer being formed on a single side, wherein inner edges of the bonding layer and the print layer are located within a range from 18 mm from the center of the hole.
Dependencies are inferred from the claim text.