公开(公告)号：FR2569033B1

公开(公告)日：1994-08-05

申请号：FR8512231

申请日：1985-08-09

Applicant: CANON KK

Inventor： OMATA HIROSHI ,  IIJIMA SHIGEHARU ,  SASAMORI EIZO ,  TAKANO KATSUHIKO ,  MATSUSHIMA MASAAKI ,  HONGUU KAZUOKI ,  SAWAMURA MITSUHARU ,  KIKUCHI KAZUHIKO ,  ISHIWATARI TAKAHIKO ,  KISHI HIROYOSHI ,  KAWADE HISAAKI

IPC: G11B7/243 ,  G11B7/253 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/254 ,  G11B7/257 ,  G11B7/2578 ,  G11B11/105 ,  G11B7/24

Abstract: In an optical recording medium having an optical recording layer provided on a substrate, a carbide film of a substance selected from among tungsten, boron, molybdenum, hafnium, niobium, titanium, chromium, vanadium, tantalum and silicon is formed on one or each side of the recording layer.

公开(公告)号：GB2150946B

公开(公告)日：1987-08-19

申请号：GB8427630

申请日：1984-11-01

Applicant: CANON KK

Inventor： MATSUSHIMA MASAAKI ,  KISHI HIROYOSHI ,  ISHIWATARI TAKAHIKO ,  KAWADE HISAAKI

IPC: G11B11/105 ,  H01F10/13 ,  C22C19/00 ,  C22C27/06 ,  C22C38/52

Abstract: This specification discloses a magneto-optical recording medium having an amorphous magnetic alloy film comprising the following composition and having a readily magnetizable axis in a direction perpendicular to the surface of the film: {(GdxTb1-x)p(FeyCo1-y)1-p}q(NizCr1-z)1-q, where 0

公开(公告)号：GB2140959A

公开(公告)日：1984-12-05

申请号：GB8401948

申请日：1984-01-25

Applicant: CANON KK

Inventor： TAKANO KATSUHIKI ,  IIJIMA SHIGEHARU ,  YOSHIHARA SATOSHI ,  MATSUSHIMA MASAAKI ,  KISHI HIROYOSHI ,  SASAMORI EIZO

IPC: G09F7/00 ,  G11B11/10 ,  G11B5/72 ,  G11B11/105 ,  G11B13/04 ,  G11C13/06

Abstract: A recording medium comprising a substrate, a recording layer formed thereupon, and an anticorrosive layer which covers the recording layer and contains a chemical to prevent the corrosion of the recording layer.

公开(公告)号：DE3317101A1

公开(公告)日：1983-11-10

申请号：DE3317101

申请日：1983-05-10

Applicant: CANON KK

Inventor： KISHI HIROYOSHI ,  MATSUSHIMA MASAAKI

IPC: C22C45/02 ,  G03G5/16 ,  G11B7/243 ,  G11B11/105 ,  H01F10/13

Abstract: A magneto-optical recording base consists of a quaternary, amorphous magnetic Gd/Tb/Fe/Co alloy.

公开(公告)号：DE69232451D1

公开(公告)日：2002-04-11

申请号：DE69232451

申请日：1992-06-19

Applicant: CANON KK

Inventor： HIRABAYASHI KEIJI ,  MATSUSHIMA MASAAKI

IPC: C04B37/02 ,  C30B29/04 ,  H01L21/28 ,  H01L29/16 ,  H01L29/43 ,  H01L29/45 ,  H01L21/205

公开(公告)号：FR2554627B1

公开(公告)日：1988-12-02

申请号：FR8416806

申请日：1984-11-05

Applicant: CANON KK

Inventor： MATSUSHIMA MASAAKI ,  KISHI HIROYOSHI ,  ISHIWATARI TAKAHIKO ,  KAWADE HISAAKI

IPC: G11B11/105 ,  H01F10/13 ,  G11B13/04

Abstract: This specification discloses a magneto-optical recording medium having an amorphous magnetic alloy film comprising the following composition and having a readily magnetizable axis in a direction perpendicular to the surface of the film: {(GdxTb1-x)p(FeyCo1-y)1-p}q(NizCr1-z)1-q, where 0

公开(公告)号：GB2164061B

公开(公告)日：1988-07-13

申请号：GB8519965

申请日：1985-08-08

Applicant: CANON KK

Inventor： OMATA HIROSHI ,  IIJIMA SHIGEHARU ,  SASAMORI EIZO ,  TAKANO KATSUHIKO ,  MATSUSHIMA MASAAKI ,  HONGUU KAZUOKI ,  SAWAMURA MITSUHARU ,  KIKUCHI KAZUHIKO ,  ISHIWATARI TAKAHIKO ,  KISHI HIROYOSHI ,  KAWADE HISAAKI

IPC: G11B7/243 ,  G11B7/253 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/254 ,  G11B7/257 ,  G11B7/2578 ,  G11B11/105 ,  C23C14/06 ,  C23C16/32

Abstract: In an optical recording medium having an optical recording layer provided on a substrate, a carbide film of a substance selected from among tungsten, boron, molybdenum, hafnium, niobium, titanium, chromium, vanadium, tantalum and silicon is formed on one or each side of the recording layer.

公开(公告)号：GB2140959B

公开(公告)日：1986-03-12

申请号：GB8401948

申请日：1984-01-25

Applicant: CANON KK

Inventor： TAKANO KATSUHIKI ,  IIJIMA SHIGEHARU ,  YOSHIHARA SATOSHI ,  MATSUSHIMA MASAAKI ,  KISHI HIROYOSHI ,  SASAMORI EIZO

IPC: G09F7/00 ,  G11B11/10 ,  G11B5/72 ,  G11B11/105 ,  G11B13/04 ,  G11C13/06

Abstract: A recording medium comprising a substrate, a recording layer formed thereupon, and an anticorrosive layer which covers the recording layer and contains a chemical to prevent the corrosion of the recording layer.

公开(公告)号：GB2165264A

公开(公告)日：1986-04-09

申请号：GB8523782

申请日：1985-09-26

Applicant: CANON KK

Inventor： ISHIWATARI TAKAHIKO ,  KISHI HIROYOSHI ,  KAWADE HISAAKI ,  MATSUSHIMA MASAAKI ,  SAWAMURA MITSUHARU ,  HONGUU KAZUOKI

IPC: G11B5/72 ,  G11B11/10 ,  G11B7/254 ,  G11B11/105 ,  G11C13/06 ,  C23C14/06

Abstract: An optical recording medium having a substrate, an optical recording layer formed on the substrate, and at least one film consisting of a carbide and a nitride and formed on the substrate.

公开(公告)号：FR2571168A1

公开(公告)日：1986-04-04

申请号：FR8514348

申请日：1985-09-27

Applicant: CANON KK

Inventor： ISHIWATARI TAKAHIKO ,  KISHI HIROYOSHI ,  KAWADE HISAAKI ,  MATSUSHIMA MASAAKI ,  SAWAMURA MITSUHARU ,  HONGUU KAZUOKI

IPC: G11B5/72 ,  G11B11/10 ,  G11B7/254 ,  G11B11/105 ,  G11C13/06 ,  G11B7/24

Abstract: An optical recording medium having a substrate, an optical recording layer formed on the substrate, and at least one film consisting of a carbide and a nitride and formed on the substrate.