Title:
光ディスクの製造方法
Document Type and Number:
Japanese Patent JP4078678
Kind Code:
B2
Abstract:
PCT No. PCT/JP97/02418 Sec. 371 Date Mar. 9, 1998 Sec. 102(e) Date Mar. 9, 1998 PCT Filed Jul. 11, 1997 PCT Pub. No. WO98/02875 PCT Pub. Date Jan. 22, 1998To provide an optical disk with high mass producibility and excellent optical properties, mechanical precision, and mechanical strength, as well as a method for the simple and efficient manufacturing of this optical disk. Comprises a substrate 101 of an extrusion molded sheet of a material consisting primarily of a polyolefin polymer which has been processed into a disk, and a data recording medium surface which consists of a photocuring resin layer 102 formed on the substrate 101 and on which bumps have been formed based on prescribed data.
Inventors:
Atsushi Takakuwa
Nao Nishikawa
Satoshi Nebashi
Nao Nishikawa
Satoshi Nebashi
Application Number:
JP50584498A
Publication Date:
April 23, 2008
Filing Date:
July 11, 1997
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
G11B7/26; B29C43/02; B29C43/18; B29C48/07; B29C71/02; B29D17/00; G11B7/24038; G11B7/24047; G11B7/2533; B29C48/00; B29C48/13
Domestic Patent References:
| JP2236834A | ||||
| JP7105568A | ||||
| JP6187662A | ||||
| JP5002773A | ||||
| JP7085501A | ||||
| JP63281240A |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Katsuro Tanaka
Shinji Oga
Katsuro Tanaka
Shinji Oga