公开(公告)号：US20170270959A1

公开(公告)日：2017-09-21

申请号：US15350387

申请日：2016-11-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kazuya HISADA

IPC: G11B7/24038 ,  G11B7/24018

CPC classification number: G11B7/24038 ,  G11B7/24018 ,  G11B7/24027 ,  G11B7/24053 ,  G11B7/266

Abstract: An optical disc recording medium includes: a substrate; at least one recording layer formed on at least one side of the substrate; and a cover layer formed on the substrate and the recording layer. The cover layer having a first thickness with reference to a surface of the substrate, in an inside of a circle having a first radius from a center of the substrate. The cover layer having a second thickness larger than the first thickness with reference to the surface of the substrate, on a circumference having a second radius longer than the first radius from the center of the substrate. The cover layer having a third thickness smaller than the first thickness with reference to the surface of the substrate, on a circumference having a third radius longer than the first radius and shorter than the second radius from the center of the substrate.

公开(公告)号：US20150213829A1

公开(公告)日：2015-07-30

申请号：US14602976

申请日：2015-01-22

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Mamoru SHOJI ,  Yoshihiro KAWASAKI ,  Shuji TABUCHI ,  Hidemi ISOMURA ,  Kazuya HISADA

IPC: G11B7/24097 ,  G11B7/24094

CPC classification number: G11B7/24097 ,  G11B7/24 ,  G11B7/24044 ,  G11B7/24047 ,  G11B7/26 ,  G11B23/0021 ,  G11B23/0035 ,  G11B33/0438 ,  G11B2007/240012

Abstract: An information recording medium of the present exemplified embodiment is configured by laminating a substrate having a predetermined thickness and a substrate having a predetermined thickness to each other. A film forming region including a recording region, a clamp region and a rib are formed on one surface of the information recording medium. A film forming region including a recording region, a clamp region and a rib are formed on the other surface of the information recording medium. On both surfaces, the components are formed in the order of the rib, the clamp region and the film forming region toward an outer peripheral side from an inner peripheral side.

Abstract translation: 本示例性实施例的信息记录介质通过将具有预定厚度的基板和具有预定厚度的基板彼此层压而构成。 在信息记录介质的一个表面上形成包括记录区域，夹持区域和肋条的成膜区域。 在信息记录介质的另一个表面上形成包括记录区域，夹持区域和肋条的成膜区域。 在两个表面上，部件按照肋，夹持区域和成膜区域的顺序从内周侧向外周侧形成。