公开(公告)号：DE69322365T2

公开(公告)日：1999-05-12

申请号：DE69322365

申请日：1993-04-08

Applicant: TORAY INDUSTRIES

Inventor： OHBAYASHI GENTARO ,  KAKUO KAZUO ,  HIROTA KUSATO ,  SEO NAOYA

IPC: G11B7/24 ,  G11B7/243 ,  G11B7/253 ,  G11B7/2533 ,  G11B7/254 ,  G11B7/2542 ,  G11B7/258 ,  G11B7/2585 ,  G11B7/00

Abstract: A phase-change optical recording medium including a recording layer of a tellurium alloy comprising at least a metal M, antimony Sb and germanium Ge added to tellurium and having the following composition formula: Mz(SbxTe1-x)1-y-z(Ge0.5Te0.5)y 0.35

公开(公告)号：HK1005155A1

公开(公告)日：1998-12-24

申请号：HK98104248

申请日：1998-05-18

Applicant: TORAY INDUSTRIES

Inventor： OHBAYASHI GENTARO ,  KAKUO KAZUO ,  HIROTA KUSATO ,  SEO NAOYA

IPC: G11B7/24 ,  G11B7/243 ,  G11B7/253 ,  G11B7/2533 ,  G11B7/254 ,  G11B7/2542 ,  G11B7/258 ,  G11B7/2585 ,  G11B

Abstract: A phase-change optical recording medium including a recording layer of a tellurium alloy comprising at least a metal M, antimony Sb and germanium Ge added to tellurium and having the following composition formula: Mz(SbxTe1-x)1-y-z(Ge0.5Te0.5)y 0.35

公开(公告)号：DE69322365D1

公开(公告)日：1999-01-14

申请号：DE69322365

申请日：1993-04-08

Applicant: TORAY INDUSTRIES

Inventor： OHBAYASHI GENTARO ,  KAKUO KAZUO ,  HIROTA KUSATO ,  SEO NAOYA

IPC: G11B7/24 ,  G11B7/243 ,  G11B7/253 ,  G11B7/2533 ,  G11B7/254 ,  G11B7/2542 ,  G11B7/258 ,  G11B7/2585 ,  G11B7/00

Abstract: A phase-change optical recording medium including a recording layer of a tellurium alloy comprising at least a metal M, antimony Sb and germanium Ge added to tellurium and having the following composition formula: Mz(SbxTe1-x)1-y-z(Ge0.5Te0.5)y 0.35

公开(公告)号：DE69023228T2

公开(公告)日：1996-04-04

申请号：DE69023228

申请日：1990-08-08

Applicant: TORAY INDUSTRIES

Inventor： NAKANISHI TOSHIHARU ,  SEO NAOYA ,  OHBAYASHI GENTARO ,  WATANABE OSAMU

IPC: B41M5/26 ,  G11B7/243 ,  G11B7/24

Abstract: An optical recording medium comprises at least a substrate and a recording layer formed on the substrate, the recording layer being for irradiation with an energy beam to change the optical properties thereof by directly or indirectly generated heat, thereby recording information, wherein said recording layer comprises four elements of tellurium (Te), germanium (Ge), gallium (Ga) and bismuth (Bi) and has a composition represented by the following general formula: (TexGe1-x)1-y (GazBi1-z)y wherein 0.40

公开(公告)号：DE69023228D1

公开(公告)日：1995-11-30

申请号：DE69023228

申请日：1990-08-08

Applicant: TORAY INDUSTRIES

Inventor： NAKANISHI TOSHIHARU ,  SEO NAOYA ,  OHBAYASHI GENTARO ,  WATANABE OSAMU

IPC: B41M5/26 ,  G11B7/243 ,  G11B7/24

Abstract: An optical recording medium comprises at least a substrate and a recording layer formed on the substrate, the recording layer being for irradiation with an energy beam to change the optical properties thereof by directly or indirectly generated heat, thereby recording information, wherein said recording layer comprises four elements of tellurium (Te), germanium (Ge), gallium (Ga) and bismuth (Bi) and has a composition represented by the following general formula: (TexGe1-x)1-y (GazBi1-z)y wherein 0.40