NL192964B - Magneto-optisch element en werkwijze voor het vervaardigen daarvan. - Google Patents

Magneto-optisch element en werkwijze voor het vervaardigen daarvan.

Info

Publication number
NL192964B
NL192964B NL8501963A NL8501963A NL192964B NL 192964 B NL192964 B NL 192964B NL 8501963 A NL8501963 A NL 8501963A NL 8501963 A NL8501963 A NL 8501963A NL 192964 B NL192964 B NL 192964B
Authority
NL
Netherlands
Prior art keywords
magneto
manufacturing
optical element
optical
Prior art date
Application number
NL8501963A
Other languages
English (en)
Other versions
NL192964C (nl
NL8501963A (nl
Original Assignee
Kyocera Corp
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 JP59143079A external-priority patent/JP2551403B2/ja
Priority claimed from JP11934285A external-priority patent/JPH0630182B2/ja
Application filed by Kyocera Corp filed Critical Kyocera Corp
Publication of NL8501963A publication Critical patent/NL8501963A/nl
Publication of NL192964B publication Critical patent/NL192964B/nl
Application granted granted Critical
Publication of NL192964C publication Critical patent/NL192964C/nl

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/16—Layers for recording by changing the magnetic properties, e.g. for Curie-point-writing
    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates
    • 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
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/146—Laser beam

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
NL8501963A 1984-07-09 1985-07-09 Magneto-optisch element en werkwijze voor het vervaardigen daarvan. NL192964C (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP59143079A JP2551403B2 (ja) 1984-07-09 1984-07-09 光磁気記録素子
JP14307984 1984-07-09
JP11934285A JPH0630182B2 (ja) 1985-05-31 1985-05-31 光磁気記録素子の製法
JP11934285 1985-05-31

Publications (3)

Publication Number Publication Date
NL8501963A NL8501963A (nl) 1986-02-03
NL192964B true NL192964B (nl) 1998-02-02
NL192964C NL192964C (nl) 1998-06-03

Family

ID=26457108

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8501963A NL192964C (nl) 1984-07-09 1985-07-09 Magneto-optisch element en werkwijze voor het vervaardigen daarvan.

Country Status (2)

Country Link
US (1) US4680742A (nl)
NL (1) NL192964C (nl)

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US6077585A (en) * 1985-01-24 2000-06-20 Seiko Epson Corporation Optical recording medium and method of preparing same
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
DE3778389D1 (de) * 1986-02-05 1992-05-27 Oki Electric Ind Co Ltd Magnetisch-optisches gedaechtnismedium.
JPS62192041A (ja) * 1986-02-19 1987-08-22 Hitachi Ltd 光記録円板
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US4849304A (en) * 1986-12-17 1989-07-18 Tdk Corporation Optical recording medium
US4902584A (en) * 1986-12-25 1990-02-20 Tdk Corporation Optical recording medium
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US5571629A (en) * 1987-07-10 1996-11-05 Tdk Corporation Optical recording medium
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US5192626A (en) * 1988-12-14 1993-03-09 Teijin Limited Optical recording medium
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US5698312A (en) * 1990-03-22 1997-12-16 Fuji Photo Film Co., Ltd. Magneto-optical recording medium and method for making the same
CA2038785C (en) * 1990-03-27 1998-09-29 Atsushi Oyamatsu Magneto-optical recording medium
JPH0413251A (ja) * 1990-04-28 1992-01-17 Kyocera Corp 光磁気記録素子及びその製造方法
KR0172861B1 (ko) * 1990-08-03 1999-04-15 이헌조 광자기 디스크구조
DE69127902D1 (de) * 1990-08-10 1997-11-13 Minnesota Mining & Mfg Direkt überschreibbares thermomagnetisches speichersystem mit hoher speicherdichte
EP0503607B1 (en) * 1991-03-14 1999-07-21 TDK Corporation 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
JP2693289B2 (ja) * 1991-08-09 1997-12-24 シャープ株式会社 光メモリ
JP2960824B2 (ja) * 1992-09-30 1999-10-12 ティーディーケイ株式会社 光磁気記録媒体
US5612122A (en) * 1993-02-08 1997-03-18 Imation Corp. High recording density magnetic recording medium having an undercoat layer of iron oxide and carbon black
JPH06236541A (ja) * 1993-02-08 1994-08-23 Minnesota Mining & Mfg Co <3M> 光透過式のサーボトラッキング方式の高記録密度磁気記録媒体
US5403458A (en) * 1993-08-05 1995-04-04 Guardian Industries Corp. Sputter-coating target and method of use
JPH07169127A (ja) * 1993-10-01 1995-07-04 Minnesota Mining & Mfg Co <3M> 非晶質希土類酸化物
US5376455A (en) * 1993-10-05 1994-12-27 Guardian Industries Corp. Heat-treatment convertible coated glass and method of converting same
US5487931A (en) 1993-12-02 1996-01-30 Annacone; William R. Rigid disc substrate comprising a central hard core substrate with a hard, thermally and mechanically matched overlying smoothing layer and method for making the same
US5376602A (en) * 1993-12-23 1994-12-27 The Dow Chemical Company Low temperature, pressureless sintering of silicon nitride
JP3414823B2 (ja) * 1994-03-15 2003-06-09 富士通株式会社 光磁気記録媒体
KR100366910B1 (ko) * 1994-04-05 2003-03-04 소니 가부시끼 가이샤 반도체장치의제조방법
US5563428A (en) * 1995-01-30 1996-10-08 Ek; Bruce A. Layered structure of a substrate, a dielectric layer and a single crystal layer
JPH08249649A (ja) 1995-02-23 1996-09-27 Minnesota Mining & Mfg Co <3M> 磁気記録媒体
AU680786B2 (en) * 1995-06-07 1997-08-07 Guardian Industries Corporation Heat treatable, durable, IR-reflecting sputter-coated glasses and method of making same
US6821707B2 (en) * 1996-03-11 2004-11-23 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, producing method thereof and method of recording/erasing/reproducing information
DE69729990T2 (de) * 1996-03-11 2004-12-09 Matsushita Electric Industrial Co., Ltd., Kadoma Optischer datenaufzeichnungsmedium, verfahren zur herstellung dasselbe und verfahren zur wiedergabe/löschen einer aufzeichnung
US6503690B1 (en) 1997-08-12 2003-01-07 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, method for producing the same, and method for recording and reproducing optical information
JPH11134720A (ja) 1997-08-28 1999-05-21 Matsushita Electric Ind Co Ltd 光学的情報記録媒体及びその記録再生方法
US6132881A (en) * 1997-09-16 2000-10-17 Guardian Industries Corp. High light transmission, low-E sputter coated layer systems and insulated glass units made therefrom
US6343062B1 (en) 1997-09-26 2002-01-29 Matsushita Electric Industrial Co., Ltd Optical disk device and optical disk for recording and reproducing high-density signals
TW448443B (en) 1998-08-05 2001-08-01 Matsushita Electric Ind Co Ltd Optical information storage media and production method as well as the storage reproducing method and device
US6514620B1 (en) 1999-12-06 2003-02-04 Guardian Industries Corp. Matchable low-E I G units and laminates and methods of making same
US6495263B2 (en) 1999-12-06 2002-12-17 Guardian Industries Corp. Low-E matchable coated articles and methods of making same
US6475626B1 (en) 1999-12-06 2002-11-05 Guardian Industries Corp. Low-E matchable coated articles and methods of making same
KR100472817B1 (ko) * 2001-12-07 2005-03-10 마츠시타 덴끼 산교 가부시키가이샤 정보기록 매체와 그 제조 방법
JP4326895B2 (ja) * 2003-09-25 2009-09-09 キヤノンアネルバ株式会社 スパッタリング装置
JP2005251279A (ja) * 2004-03-03 2005-09-15 Nec Corp 光学的情報記録媒体及びその製造方法
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JP2014526958A (ja) * 2011-07-14 2014-10-09 ディーアイシー・イメージング・プロダクツ・ユーエスエー・エルエルシー 高屈折率の紫外線硬化型コーティングを利用する、損傷した光学基板を復元するための方法及び組成物

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Also Published As

Publication number Publication date
US4680742A (en) 1987-07-14
NL192964C (nl) 1998-06-03
NL8501963A (nl) 1986-02-03

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V4 Discontinued because of reaching the maximum lifetime of a patent

Effective date: 20050709