Title:
PHASE CHANGE OPTICAL RECORDING MEDIUM
Document Type and Number:
Japanese Patent JP3129497
Kind Code:
B2
Abstract:
PURPOSE: To provide a phase change optical recording medium having satisfactory recording, vanishing and repeating characteristics.
CONSTITUTION: This phase change optical recording medium has a protective layer 2, an optical recording layer 3 contg. at least silver, a protective layer 4 and a heat radiating layer 5 on a substrate 1. Each of the protective layers 2, 4 consists of two layers, the protective layers 2-2, 4-2 adjacent to the optical recording layer 3 are made of AlN, Si3N4, SiC, etc., and the outer protective layers 2-1, 4-1 are made of ZnS or ZnS-SiO2.
Inventors:
Toshihiko Yoshio
Application Number:
JP1770392A
Publication Date:
January 29, 2001
Filing Date:
February 03, 1992
Export Citation:
Assignee:
株式会社リコー
International Classes:
B41M5/26; G11B7/24; G11B7/243; G11B7/2433; G11B7/254; G11B7/257; (IPC1-7): G11B7/24; G11B7/24
Domestic Patent References:
| JP2195537A | ||||
| JP264937A | ||||
| JP6254853A | ||||
| JP358884A |
Attorney, Agent or Firm:
Hidetake Komatsu (2 outside)