"Optical Recording Medium"

Abstract: An optical recording medium includes a support substrate and a semi-transmissive recording layer. The semi-transmissive recording layer includes a first dielectric layer, a semi-transmissive semi-reflective layer, a second dielectric layer, a phase change recording material layer, and a third dielectric layer that are sequentially stacked in that order on the support substrate. The semi-transmissive semi-reflective layer contains silver. The_ second dielectric layer has a stack structure including a lower layer disposed at the interface on the semi-transmissive semi-reflective layer side and an upper layer disposed on the phase change recording material layer side of the lower layer. The lower layer is composed of indium oxide or a composite oxide of indium oxide and tin oxide. The upper layer is composed of tantalum oxide, gallium oxide, zirconium oxide, or niobium oxide.

Patent Information

Application #

Filing Date

22 July 2011

Publication Number

43/2012

Publication Type

INA

Invention Field

PHYSICS

Status

Email

Parent Application

Applicants

SONY CORPORATION

1-7-1 KONAN, MINATO-KU, TOKYO, JAPAN

Inventors

1. KOTARO KUROKAWA

C/O SONY CORPORATION, 1-7-1 KONAN, MINATO-KU, TOKYO, JAPAN

2. SHIGEKI TAKAGAWA

C/O SONY CORPORATION, 1-7-1 KONAN, MINATO-KU, TOKYO, JAPAN

Specification

NA

Documents

Application Documents

#	Name	Date
1	2065-del-2011-GPA.pdf	2012-03-06
2	2065-del-2011-Form-5.pdf	2012-03-06
3	2065-del-2011-Form-3.pdf	2012-03-06
4	2065-del-2011-Form-2.pdf	2012-03-06
5	2065-del-2011-Form-1.pdf	2012-03-06
6	2065-del-2011-Drawings.pdf	2012-03-06
7	2065-del-2011-Description (Complete).pdf	2012-03-06
8	2065-del-2011-Correspondence-others.pdf	2012-03-06
9	2065-del-2011-Claims.pdf	2012-03-06
10	2065-del-2011-Abstract.pdf	2012-03-06
11	2065-del-2011-Form-3-(08-01-2013).pdf	2013-01-08
12	2065-del-2011-Correspondence Others-(08-01-2013).pdf	2013-01-08