Title:
多層光記録媒体、多層光記録媒体の情報記録方法
Document Type and Number:
Japanese Patent JP4458027
Kind Code:
B2
Abstract:
A multilayer optical recording medium enabled to retain an ideal signal regenerating property in spite of accidental adhesion of finger mark or alien substance is provided. The multilayer optical recording medium 1 is provided with a plurality of information-recording layers 20, 22, 24, and 26 capable of reading information with a reading light irradiated through a light incidence surface 38A on one side and is so adapted that the light incidence side information-recording layer 26 approximating most closely to the light incidence surface 38A may be set at a small recording capacity as compared with the recording capacities of at least one of the other information-recording layers.
Inventors:
Yasuko Mishima
Takashi Kikukawa
Hideki Ito
Daisuke Yutoku
Takashi Kikukawa
Hideki Ito
Daisuke Yutoku
Application Number:
JP2005341773A
Publication Date:
April 28, 2010
Filing Date:
November 28, 2005
Export Citation:
Assignee:
tdk Corporation
International Classes:
G11B7/24; G11B7/24041
Domestic Patent References:
| JP2004079071A | ||||
| JP2003141775A |
Attorney, Agent or Firm:
Masashi Sahara