DE3855347D1 - Photomagnetisches speichermedium - Google Patents

Photomagnetisches speichermedium

Info

Publication number
DE3855347D1
DE3855347D1 DE3855347T DE3855347T DE3855347D1 DE 3855347 D1 DE3855347 D1 DE 3855347D1 DE 3855347 T DE3855347 T DE 3855347T DE 3855347 T DE3855347 T DE 3855347T DE 3855347 D1 DE3855347 D1 DE 3855347D1
Authority
DE
Germany
Prior art keywords
specified
membrane
atomic
metal
base
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE3855347T
Other languages
English (en)
Other versions
DE3855347T2 (de
Inventor
Kunihiko Mizumoto
Koichi Haruta
Hirokazu Kajiura
Koichi Igarashi
Hidehiko Hashimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Chemicals Inc
Original Assignee
Mitsui Petrochemical Industries Ltd
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 Industries Ltd filed Critical Mitsui Petrochemical Industries Ltd
Application granted granted Critical
Publication of DE3855347D1 publication Critical patent/DE3855347D1/de
Publication of DE3855347T2 publication Critical patent/DE3855347T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE3855347T 1987-08-08 1988-08-08 Photomagnetisches speichermedium Expired - Fee Related DE3855347T2 (de)

Applications Claiming Priority (4)

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
PCT/JP1988/000785 WO1989001687A1 (en) 1987-08-08 1988-08-08 Photomagnetic recording medium

Publications (2)

Publication Number Publication Date
DE3855347D1 true DE3855347D1 (de) 1996-07-11
DE3855347T2 DE3855347T2 (de) 1996-10-31

Family

ID=27327535

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3855347T Expired - Fee Related DE3855347T2 (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
CN1018304B (zh) * 1988-10-17 1992-09-16 三井石油化学工业株式会社 磁光记录介质
EP0406823B1 (de) * 1989-07-05 1997-10-22 Mitsui Petrochemical Industries, Ltd. 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
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
EP0503607B1 (de) * 1991-03-14 1999-07-21 TDK Corporation Magneto-optisches Aufzeichnungsmedium
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
US4612587A (en) * 1982-12-23 1986-09-16 Sony Corporation Thermomagnetic recording and reproducing system
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
WO1988008192A1 (en) * 1987-04-17 1988-10-20 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
DE3855347T2 (de) 1996-10-31
EP0331737B1 (de) 1996-06-05
WO1989001687A1 (en) 1989-02-23
EP0331737A4 (en) 1991-07-03
EP0331737A1 (de) 1989-09-13
ATE139052T1 (de) 1996-06-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MITSUI CHEMICALS, INC., TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee