JP4033368B2 - 磁気表示媒体 - Google Patents

磁気表示媒体 Download PDF

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Publication number
JP4033368B2
JP4033368B2 JP34591798A JP34591798A JP4033368B2 JP 4033368 B2 JP4033368 B2 JP 4033368B2 JP 34591798 A JP34591798 A JP 34591798A JP 34591798 A JP34591798 A JP 34591798A JP 4033368 B2 JP4033368 B2 JP 4033368B2
Authority
JP
Japan
Prior art keywords
magnetic
substrate
dielectric multilayer
magnetic layer
groove
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
JP34591798A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11259855A (ja
JPH11259855A5 (enExample
Inventor
忠雄 桂川
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP34591798A priority Critical patent/JP4033368B2/ja
Priority to US09/205,781 priority patent/US6187431B1/en
Publication of JPH11259855A publication Critical patent/JPH11259855A/ja
Publication of JPH11259855A5 publication Critical patent/JPH11259855A5/ja
Application granted granted Critical
Publication of JP4033368B2 publication Critical patent/JP4033368B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Magnetic Record Carriers (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Thin Magnetic Films (AREA)
JP34591798A 1997-12-05 1998-12-04 磁気表示媒体 Expired - Fee Related JP4033368B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP34591798A JP4033368B2 (ja) 1997-12-05 1998-12-04 磁気表示媒体
US09/205,781 US6187431B1 (en) 1997-12-05 1998-12-04 Magnetic recording medium

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP35234897 1997-12-05
JP9-352348 1997-12-05
JP34591798A JP4033368B2 (ja) 1997-12-05 1998-12-04 磁気表示媒体

Publications (3)

Publication Number Publication Date
JPH11259855A JPH11259855A (ja) 1999-09-24
JPH11259855A5 JPH11259855A5 (enExample) 2005-07-28
JP4033368B2 true JP4033368B2 (ja) 2008-01-16

Family

ID=26578142

Family Applications (1)

Application Number Title Priority Date Filing Date
JP34591798A Expired - Fee Related JP4033368B2 (ja) 1997-12-05 1998-12-04 磁気表示媒体

Country Status (2)

Country Link
US (1) US6187431B1 (enExample)
JP (1) JP4033368B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6967050B2 (en) * 2000-07-05 2005-11-22 Sony Corporation Optical recording medium and a method of manufacturing the same
JP3908600B2 (ja) * 2002-05-30 2007-04-25 株式会社リコー 調光窓
JP5417683B2 (ja) * 2006-01-10 2014-02-19 株式会社リコー 磁気光学素子
EP2500771A4 (en) * 2010-01-28 2013-01-23 Sharp Kk DISPLAY ELEMENT AND ELECTRIC EQUIPMENT THEREWITH

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5112701A (en) 1988-03-25 1992-05-12 Ricoh Company, Ltd. Magneto-optic recording media and process for producing the same
US5554451A (en) * 1991-09-27 1996-09-10 Brother Kogyo Kabushiki Kaisha Optical data recording medium
JPH06309710A (ja) * 1993-04-27 1994-11-04 Nikon Corp 光磁気記録媒体
JPH08203125A (ja) * 1995-01-31 1996-08-09 Pioneer Electron Corp 貼り合わせ型光ディスク及びその製造方法
JP3445023B2 (ja) * 1995-06-08 2003-09-08 シャープ株式会社 光磁気記録媒体およびその再生方法並びに記録方法
JP3554083B2 (ja) * 1995-07-18 2004-08-11 キヤノン株式会社 光磁気記録媒体及び該媒体の情報記録方法
US5700540A (en) * 1995-11-13 1997-12-23 Eastman Kodak Company Optical recording medium

Also Published As

Publication number Publication date
JPH11259855A (ja) 1999-09-24
US6187431B1 (en) 2001-02-13

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