Title:
【発明の名称】光記録媒体用基板シート、光記録媒体用基板シートの製造方法、及び製造装置
Document Type and Number:
Japanese Patent JP3072797
Kind Code:
B2
Abstract:
A method for forming a substrate sheet for optical recording media having a preformat on the surface is disclosed. This method has the steps of extruding a melted resin to form a melted resin sheet, pressing the melted resin sheet between a mirror roll and a resin roll prior to the curing of the melted resin sheet, thereby forming a resin sheet, the resin roll being disposed in the face of the mirror roll and being covered on the peripheral surface thereof with a resin, and forming a photocurable resin composition layer on the surface of the resin sheet with which the resin roll has come in contact, and forming the preformat on the photocurable resin composition layer.
Inventors:
Miki Tamura
Go Mito
Osamu Kaname
Go Mito
Osamu Kaname
Application Number:
JP30038591A
Publication Date:
August 07, 2000
Filing Date:
November 15, 1991
Export Citation:
Assignee:
Canon Inc
International Classes:
B29C39/14; B29C69/02; B29D17/00; B29C39/10; B32B38/04; G11B7/26; B29C35/08; B29L17/00; (IPC1-7): G11B7/26; B29C39/10
Domestic Patent References:
| JP63106949A | ||||
| JP60151851A | ||||
| JP6314341A |
Attorney, Agent or Firm:
Keizo Nishiyama (2 outside)