Patent Number: 6,165,578

Title: Optical information recording medium and method for producing the same

Abstract: An optical information recording medium includes a first substrate; at least a first dielectric layer and a recording layer for signal recording provided on a surface of the first substrate; and a second substrate. The first substrate and the second substrate are assembled together in the state of being warped in planar symmetry and flattened. The first dielectric layer and the recording layer is interposed between the first substrate and the second substrate.

Inventors: Ohno; Eiji (Hirakata, JP), Isomura; Hidemi (Moriguchi, JP), Moteki; Akihiro (Yawata, JP)

Assignee: Matsushita Electric Industrial Co., Ltd.

International Classification: G11B 7/26 (20060101); G11B 7/24 (20060101); B32B 003/02 ()

Expiration Date: 12/26/2017