ATE139052T1 - Photomagnetisches speichermedium - Google Patents

Photomagnetisches speichermedium

Info

Publication number
ATE139052T1
ATE139052T1 AT88906911T AT88906911T ATE139052T1 AT E139052 T1 ATE139052 T1 AT E139052T1 AT 88906911 T AT88906911 T AT 88906911T AT 88906911 T AT88906911 T AT 88906911T AT E139052 T1 ATE139052 T1 AT E139052T1
Authority
AT
Austria
Prior art keywords
specified
membrane
atomic
metal
base
Prior art date
Application number
AT88906911T
Other languages
English (en)
Inventor
Kunihiko Mizumoto
Koichi Haruta
Hirokazu Kajiura
Koichi Igarashi
Hidehiko Hashimoto
Original Assignee
Mitsui Petrochemical Ind
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP62198713A external-priority patent/JP2633572B2/ja
Priority claimed from JP62207629A external-priority patent/JPS6450256A/ja
Priority claimed from JP33555487A external-priority patent/JPH01179241A/ja
Application filed by Mitsui Petrochemical Ind filed Critical Mitsui Petrochemical Ind
Application granted granted Critical
Publication of ATE139052T1 publication Critical patent/ATE139052T1/de

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
    • G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised by the selection of the material
    • G11B11/10589—Details
    • G11B11/10591—Details for improving write-in properties, e.g. Curie-point temperature
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
    • G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised by the selection of the material

Landscapes

  • Thin Magnetic Films (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Electrically Operated Instructional Devices (AREA)
AT88906911T 1987-08-08 1988-08-08 Photomagnetisches speichermedium ATE139052T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62198713A JP2633572B2 (ja) 1987-08-08 1987-08-08 光磁気記録体
JP62207629A JPS6450256A (en) 1987-08-20 1987-08-20 Magneto-optical recording medium
JP33555487A JPH01179241A (ja) 1987-12-28 1987-12-28 光磁気記録媒体

Publications (1)

Publication Number Publication Date
ATE139052T1 true ATE139052T1 (de) 1996-06-15

Family

ID=27327535

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88906911T ATE139052T1 (de) 1987-08-08 1988-08-08 Photomagnetisches speichermedium

Country Status (4)

Country Link
EP (1) EP0331737B1 (de)
AT (1) ATE139052T1 (de)
DE (1) DE3855347T2 (de)
WO (1) WO1989001687A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920007319B1 (ko) * 1988-10-17 1992-08-29 미쓰이 세끼유 가가꾸 고오교오 가부시끼가이샤 광자기 기록매체
DE69031612T2 (de) * 1989-07-05 1998-03-12 Mitsui Petrochemical Ind Magnetooptische Aufzeichnungsmedien
CA2014751C (en) * 1989-10-19 1996-01-23 Kunihiko Mizumoto Magnetooptical recording media
DE69028092T2 (de) * 1989-11-10 1997-04-03 Mitsubishi Chem Corp Magnetooptisches aufzeichnungsmedium
US5233575A (en) * 1989-11-10 1993-08-03 Mitsubishi Kasei Corporation Magneto-optical recording medium
CA2038785C (en) * 1990-03-27 1998-09-29 Atsushi Oyamatsu Magneto-optical recording medium
EP0503607B1 (de) * 1991-03-14 1999-07-21 TDK Corporation Magneto-optisches Aufzeichnungsmedium
JP2968632B2 (ja) * 1991-03-14 1999-10-25 ティーディーケイ株式会社 光磁気記録媒体
CN108425080B (zh) * 2018-02-27 2020-04-28 南方科技大学 单质非晶钯及其制备方法和用途

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984002603A1 (en) * 1982-12-23 1984-07-05 Sony Corp Thermomagnetic optical recording/reproducing method
US4614778A (en) * 1984-02-03 1986-09-30 Hirokazu Kajiura Random copolymer
JPS61117749A (ja) * 1984-11-13 1986-06-05 Seiko Instr & Electronics Ltd 光磁気記録媒体
JPH0697514B2 (ja) * 1985-02-21 1994-11-30 シャープ株式会社 磁気光学記憶素子
JP2601796B2 (ja) * 1985-12-05 1997-04-16 日立マクセル株式会社 光磁気記録媒体
KR870006535A (ko) * 1985-02-27 1987-07-13 나가이 아쯔시 광자기 기록 매체
JPS61255546A (ja) * 1985-05-09 1986-11-13 Kokusai Denshin Denwa Co Ltd <Kdd> 光磁気記録媒体
JPH0746442B2 (ja) * 1986-06-30 1995-05-17 松下電器産業株式会社 光学情報記録媒体
EP0310680A4 (en) * 1987-04-17 1990-10-03 Mitsui Petrochemical Industries, Ltd. Photomagnetic recording membrane
JP3278080B2 (ja) * 1993-02-22 2002-04-30 直 柴田 半導体集積回路

Also Published As

Publication number Publication date
EP0331737A4 (en) 1991-07-03
DE3855347T2 (de) 1996-10-31
EP0331737B1 (de) 1996-06-05
EP0331737A1 (de) 1989-09-13
WO1989001687A1 (en) 1989-02-23
DE3855347D1 (de) 1996-07-11

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties