Title:
OPTICAL RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2017/094227
Kind Code:
A1
Abstract:
In the present invention, an optical recording medium is provided with a plurality of information signal layers. From among the plurality of information signal layers, at least one of the information signal layers other than the furthest information signal layer from the light irradiation surface is provided with a recording layer, a first dielectric layer provided on the opposite side from the light incidence side of the recording layer, and a second dielectric layer provided on the light incidence side of the recording layer. The first dielectric layer and the second dielectric layer contain indium oxide and tin oxide. The atomic concentration of tin in the first dielectric layer is higher than the atomic concentration of tin in the second dielectric layer.
Inventors:
SUWABE MASATSUGU (JP)
Application Number:
PCT/JP2016/004861
Publication Date:
June 08, 2017
Filing Date:
November 10, 2016
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
G11B7/2578; G11B7/24038; G11B7/2433
Foreign References:
| JP2012164374A | 2012-08-30 | |||
| JP2012033217A | 2012-02-16 | |||
| JP2008097791A | 2008-04-24 | |||
| JP2012139876A | 2012-07-26 | |||
| JP2005154820A | 2005-06-16 |
Attorney, Agent or Firm:
SUGIURA, Masatomo et al. (JP)
Download PDF: