DE3484806D1 - Mehrschichtiges amorphes magnetooptisches speicherelement. - Google Patents

Mehrschichtiges amorphes magnetooptisches speicherelement.

Info

Publication number
DE3484806D1
DE3484806D1 DE8484303140T DE3484806T DE3484806D1 DE 3484806 D1 DE3484806 D1 DE 3484806D1 DE 8484303140 T DE8484303140 T DE 8484303140T DE 3484806 T DE3484806 T DE 3484806T DE 3484806 D1 DE3484806 D1 DE 3484806D1
Authority
DE
Germany
Prior art keywords
storage element
optical storage
multilayer amorphous
amorphous magneto
magneto
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.)
Revoked
Application number
DE8484303140T
Other languages
English (en)
Inventor
Robert P Minnesota Mini Freese
Leslie H Minnesota Min Johnson
Thomas A Minnesota Mi Rinehart
Richard N Minnesota Mi Gardner
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27051668&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3484806(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE3484806D1 publication Critical patent/DE3484806D1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • 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
    • G11B11/10593—Details for improving read-out properties, e.g. polarisation of light
    • 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
    • G11B11/10584—Record carriers characterised by the selection of the material or by the structure or form characterised by the form, e.g. comprising mechanical protection elements
    • 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
    • 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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/851—Coating a support with a magnetic layer by sputtering
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
DE8484303140T 1983-05-17 1984-05-09 Mehrschichtiges amorphes magnetooptisches speicherelement. Revoked DE3484806D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49517683A 1983-05-17 1983-05-17
US06/599,647 US4569881A (en) 1983-05-17 1984-04-12 Multi-layer amorphous magneto optical recording medium

Publications (1)

Publication Number Publication Date
DE3484806D1 true DE3484806D1 (de) 1991-08-22

Family

ID=27051668

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484303140T Revoked DE3484806D1 (de) 1983-05-17 1984-05-09 Mehrschichtiges amorphes magnetooptisches speicherelement.

Country Status (10)

Country Link
US (1) US4569881A (de)
EP (1) EP0126589B1 (de)
JP (1) JP2561645B2 (de)
KR (1) KR930001619B1 (de)
AU (1) AU564063B2 (de)
BR (1) BR8402317A (de)
CA (1) CA1213670A (de)
DE (1) DE3484806D1 (de)
IE (1) IE57331B1 (de)
MX (1) MX154987A (de)

Families Citing this family (51)

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US4721658A (en) * 1984-04-12 1988-01-26 Minnesota Mining And Manufacturing Company Amorphous magneto optical recording medium
US4833043A (en) * 1983-05-17 1989-05-23 Minnesota Mining And Manufacturing Company Amorphous magneto optical recording medium
US4737947A (en) * 1983-06-14 1988-04-12 Canon Kabushiki Kaisha Recording medium having optomagnetic recording layer and optical recording layer with guide tracks of specific reflectance
US4675767A (en) * 1983-12-12 1987-06-23 Canon Kabushiki Kaisha Opto-magnetic recording medium
FR2560419B1 (fr) * 1984-02-29 1986-06-13 Bull Sa Milieu d'enregistrement magneto-optique
JPS60187948A (ja) * 1984-03-06 1985-09-25 Ricoh Co Ltd 光学的情報記憶媒体
US4939023A (en) * 1984-08-13 1990-07-03 Canon Kabushiki Kaisha Opto-magnetic recording medium
JPS61117747A (ja) * 1984-11-12 1986-06-05 Nippon Kogaku Kk <Nikon> ２層膜光磁気記録媒体
US4801499A (en) * 1985-01-24 1989-01-31 Seiko Epson Corporation Optical recording medium
JPH0673197B2 (ja) * 1985-02-25 1994-09-14 株式会社東芝 光磁気記録媒体とその製造方法
JPH0775085B2 (ja) * 1985-07-10 1995-08-09 三菱化学株式会社 光磁気媒体
US4751142A (en) * 1985-09-18 1988-06-14 Kyocera Corporation Magneto-optical recording element
FR2591381A1 (fr) * 1985-12-11 1987-06-12 Canon Kk Support de memoire magneto-optique
US5253233A (en) * 1985-12-17 1993-10-12 Canon Kabushiki Kaisha Method of making a magneto-optical recording medium that includes a light interference layer having specified characteristics
JPS62192041A (ja) * 1986-02-19 1987-08-22 Hitachi Ltd 光記録円板
US5528564A (en) * 1986-03-07 1996-06-18 Movid Information Technology, Inc. Direct overwrite magneto-optic system for strip erasing and recording elongated domains
US4921760A (en) * 1986-09-26 1990-05-01 Minolta Camera Kabushiki Kaisha Anti-reflection coating of optical part made of synthetic resin
US4939717A (en) * 1986-10-31 1990-07-03 Matsushita Electric Industrial Co., Ltd. Method and apparatus for erasing and recording information using three power levels
US4861656A (en) * 1986-12-24 1989-08-29 Tdk Corporation Optical recording medium
US4822675A (en) * 1987-01-14 1989-04-18 Minnesota Mining And Manufacturing Company Stable magneto optic recording medium
US5028305A (en) * 1987-10-26 1991-07-02 Minnesota Mining And Manufacturing Company Process for producing magneto-optic recording medium
US4950556A (en) * 1987-10-26 1990-08-21 Minnesota Mining And Manufacturing Company Magneto-optic recording medium
US4888758A (en) * 1987-11-23 1989-12-19 Scruggs David M Data storage using amorphous metallic storage medium
US5098541A (en) * 1988-02-01 1992-03-24 Minnesota Mining And Manufacturing Company Method of making magneto optic recording medium with silicon carbide dielectric
US4917970A (en) * 1988-02-01 1990-04-17 Minnesota Mining & Manufacturing Company Magneto optic recording medium with silicon carbide dielectric
US5158834A (en) * 1988-02-01 1992-10-27 Minnesota Mining And Manufacturing Company Magneto optic recording medium with silicon carbide dielectric
EP0341521A1 (de) * 1988-05-09 1989-11-15 Siemens Aktiengesellschaft Magnetooptisches Speichermedium
US5237548A (en) * 1988-06-01 1993-08-17 Hoechst Aktiengesellschaft Magneto-optic recording structure and method
US5109377A (en) * 1988-08-22 1992-04-28 Fuji Photo Film Co., Ltd. Magneto-optical recording medium and method of producing the same
JPH0264944A (ja) * 1988-08-30 1990-03-05 Mitsubishi Electric Corp 光磁気記録媒体
JPH0296957A (ja) * 1988-10-03 1990-04-09 Mitsubishi Electric Corp 光磁気記録媒体の消去記録方法
DE3904611A1 (de) * 1989-02-16 1990-08-23 Hoechst Ag Magnetooptische schicht und verfahren zu ihrer herstellung
JP2722723B2 (ja) * 1989-10-23 1998-03-09 ブラザー工業株式会社 光記録媒体
JP2558011B2 (ja) 1990-01-31 1996-11-27 インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン 磁気光学記憶媒体
JP2808794B2 (ja) * 1990-02-22 1998-10-08 ソニー株式会社 両面光ディスク
EP0448919B1 (de) * 1990-03-26 1996-02-14 International Business Machines Corporation Datenträger
JPH0423239A (ja) * 1990-05-17 1992-01-27 Sony Corp 光記録媒体
KR0172861B1 (ko) * 1990-08-03 1999-04-15 이헌조 광자기 디스크구조
US5573847A (en) * 1990-09-14 1996-11-12 Komag, Inc. Magneto-optic disk exhibiting a phase shift between plus and minus twelve degrees and a reflectivity between fifteen and twenty-five percent
CA2063002A1 (en) * 1991-04-01 1992-10-02 Edward J. Woo Optical disk with vibration dampening
US5239504A (en) * 1991-04-12 1993-08-24 International Business Machines Corporation Magnetostrictive/electrostrictive thin film memory
US5315579A (en) * 1991-12-11 1994-05-24 Minnesota Mining And Manufacturing Company Recording disk hub bond
US5587216A (en) * 1992-10-16 1996-12-24 Matsushita Electric Industrial Co., Ltd. Optical recording medium
US5538774A (en) * 1994-07-29 1996-07-23 Minnesota Mining And Manufacturing Company Internally damped rotatable storage article
JPH11500253A (ja) * 1995-10-13 1999-01-06 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ 二重情報層を有する光記録媒体
US5612108A (en) * 1996-02-16 1997-03-18 Eastman Kodak Company Magneto-optical structure having titanium underlayer
TW569195B (en) 2001-01-24 2004-01-01 Matsushita Electric Ind Co Ltd Micro-particle arranged body, its manufacturing method, and device using the same
US8325440B2 (en) * 2007-03-26 2012-12-04 Tdk Corporation Magnetic head including a pole layer and an antireflection film sandwiched by two shields
TWI382415B (zh) * 2008-06-18 2013-01-11 China Steel Corp Single write type optical storage record unit
KR101383941B1 (ko) 2012-03-09 2014-04-10 동아에스티 주식회사 피록시캄 또는 약제학적으로 허용되는 그의 염과 히알루론산 또는 약제학적으로 허용되는 그의 염의 안정한 액상 조성물 및 그 제조방법
JP5397794B1 (ja) * 2013-06-04 2014-01-22 Ｒｏｃａ株式会社 酸化物結晶薄膜の製造方法

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Also Published As

Publication number Publication date
IE57331B1 (en) 1992-07-29
AU2831384A (en) 1984-11-22
CA1213670A (en) 1986-11-04
KR850000104A (ko) 1985-02-25
AU564063B2 (en) 1987-07-30
EP0126589A3 (en) 1986-09-03
IE841209L (en) 1984-11-17
JP2561645B2 (ja) 1996-12-11
US4569881A (en) 1986-02-11
EP0126589B1 (de) 1991-07-17
KR930001619B1 (ko) 1993-03-06
MX154987A (es) 1988-01-15
EP0126589A2 (de) 1984-11-28
JPS605442A (ja) 1985-01-12
BR8402317A (pt) 1985-04-02

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation