Title:
DIELECTRIC LAYER, OPTICAL RECORDING MEDIUM, SPUTTERING TARGET, AND OXIDE
Document Type and Number:
WIPO Patent Application WO/2018/154997
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a dielectric layer which is highly durable and does not require measures for preventing health problems, and in which good information recording in a directly-laminated oxide-based recording layer is possible. This dielectric layer is formed of an oxide containing elemental Sn and at least one element among elemental Zn, Zr, Si, and Ga, and satisfies equations (1)-(7) below: (1) 0≤b/(a+b)≤0.6, (2) 0≤(c+d)/(a+b+c+d+e)≤0.5, (3) 0≤b≤50, (4) 0≤c≤40, (5) 0≤d≤45, (6) 0≤e≤40, (7) 20≤b+c+d+e≤80, where a, b, c, d, and e are respectively the content of elemental Sn, the content of elemental Zn, the content of elemental Zr, the content of elemental Si, and the content of elemental Ga in mol% with respect to all elements other than oxygen in the oxide.
Inventors:
TAUCHI YUKI
Application Number:
PCT/JP2018/000793
Publication Date:
August 30, 2018
Filing Date:
January 15, 2018
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
G11B7/2578; G11B7/243; G11B7/26
Domestic Patent References:
| WO2016129237A1 | 2016-08-18 |
Foreign References:
| JP2016504253A | 2016-02-12 | |||
| JP2005293821A | 2005-10-20 | |||
| JP2005063634A | 2005-03-10 |
Attorney, Agent or Firm:
AMANO Kazunori (JP)
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