Title:
METHOD OF MANUFACTURING INTERMEDIATE PRODUCT FOR OPTICAL RECORDING MEDIUM AND OPTICAL RECORDING MEDIUM
Document Type and Number:
Japanese Patent JP2004039151
Kind Code:
A
Abstract:
To provide an intermediate product for optical recording medium to which resin can be uniformly applied by a spin coating method without using a disk-like member, which can be stocked in a stable state while saving the space and which can be transported by an existing transport mechanism even if applied resin is in an uncured state.
The intermediate product for an optical recording medium ME1 is manufactured prior to manufacturing the optical recording medium where a loading center hole is formed in the center part, one or more types of functional layers are formed on a surface and information can be recorded or reproduced. A temporary center hole TH whose diameter is smaller than the loading center hole is formed in the center part.
Inventors:
IDE JUNICHI
USAMI MAMORU
USHITA TOMOKI
YAMAYA KENJI
KOYAMA ATSUSHI
USAMI MAMORU
USHITA TOMOKI
YAMAYA KENJI
KOYAMA ATSUSHI
Application Number:
JP2002196644A
Publication Date:
February 05, 2004
Filing Date:
July 05, 2002
Export Citation:
Assignee:
TDK CORP
International Classes:
G11B7/24047; G11B7/26; (IPC1-7): G11B7/24; G11B7/26
Attorney, Agent or Firm:
Shinji Sakai