DE68921527D1 - Magnetooptischer Aufzeignungsträger. - Google Patents

Magnetooptischer Aufzeignungsträger.

Info

Publication number: DE68921527D1
Authority: DE; Germany
Prior art keywords: magneto; recording medium; optical recording; optical; medium
Prior art date: 1988-09-13
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

DE68921527T

Other languages

English (en)

Other versions

DE68921527T2 (de

Inventor

Masahiko Sekiya

Kiyoshi Chiba

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.)

Teijin Ltd

Original Assignee

Teijin 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.)

1988-09-13

Filing date

1989-09-07

Publication date

1995-04-13

1988-09-13 Priority claimed from JP63227548A external-priority patent/JPH0762195B2/ja

1988-10-04 Priority claimed from JP63248990A external-priority patent/JPH0752529B2/ja

1989-09-07 Application filed by Teijin Ltd filed Critical Teijin Ltd

1995-04-13 Publication of DE68921527D1 publication Critical patent/DE68921527D1/de

1995-09-21 Application granted granted Critical

1995-09-21 Publication of DE68921527T2 publication Critical patent/DE68921527T2/de

2009-09-08 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- 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
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
- G11B5/726—Two or more protective coatings
- G11B5/7262—Inorganic protective coating
- G11B5/7264—Inorganic carbon protective coating, e.g. graphite, diamond like carbon or doped carbon
- 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
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/254—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers
- G11B7/2548—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of inorganic materials
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
- G11B7/2578—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
- G11B2007/24302—Metals or metalloids
- G11B2007/24306—Metals or metalloids transition metal elements of groups 3-10
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
- G11B2007/25705—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
- G11B2007/25706—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials containing transition metal elements (Zn, Fe, Co, Ni, Pt)
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
- G11B2007/25705—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
- G11B2007/25708—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials containing group 13 elements (B, Al, Ga)
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
- G11B2007/25705—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
- G11B2007/2571—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials containing group 14 elements except carbon (Si, Ge, Sn, Pb)
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
- G11B2007/25705—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
- G11B2007/25713—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials containing nitrogen
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
- G11B7/2533—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins
- G11B7/2534—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins polycarbonates [PC]
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/254—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers
- G11B7/2542—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of organic resins
- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
- 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
- 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
- Y10T428/268—Monolayer with structurally defined element

Landscapes

Chemical & Material Sciences (AREA)
Inorganic Chemistry (AREA)

DE68921527T 1988-09-13 1989-09-07 Magnetooptischer Aufzeignungsträger. Expired - Fee Related DE68921527T2 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP63227548A JPH0762195B2 (ja)	1988-09-13	1988-09-13	耐食性合金
JP63248990A JPH0752529B2 (ja)	1988-10-04	1988-10-04	光磁気記録媒体

Publications (2)

Publication Number	Publication Date
DE68921527D1 true DE68921527D1 (de)	1995-04-13
DE68921527T2 DE68921527T2 (de)	1995-09-21

Family

ID=26527745

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE68921527T Expired - Fee Related DE68921527T2 (de)	1988-09-13	1989-09-07	Magnetooptischer Aufzeignungsträger.

Country Status (5)

Country	Link
US (2)	US5492773A (de)
EP (1)	EP0359114B1 (de)
KR (1)	KR900005396A (de)
CA (1)	CA1333820C (de)
DE (1)	DE68921527T2 (de)

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CA1333820C (en) *	1988-09-13	1995-01-03	Masahiko Sekiya	Magneto-optical recording medium
EP0482606B1 (de) *	1990-10-26	1995-08-16	Teijin Limited	Magnetooptisches Aufzeichnungsmedium
JPH05140277A (ja) *	1991-11-18	1993-06-08	Teijin Ltd	水性ポリエステル、これを塗設した易接着性ポリエステルフイルム及びその製造方法
JPH08106663A (ja) *	1994-08-10	1996-04-23	Tdk Corp	光磁気ディスク
US5644555A (en) *	1995-01-19	1997-07-01	International Business Machines Corporation	Multiple data surface magneto-optical data storage system
KR100474044B1 (ko) *	1996-12-30	2005-12-26	고려화학 주식회사	저온소부분체도료조성물
KR100515390B1 (ko) *	1996-12-30	2006-03-17	주식회사 케이씨씨	저온 경화형 수지 제조방법 및 이를 함유한 분체도료 조성물
KR19990066305A (ko) *	1998-01-23	1999-08-16	한형수	도장강판 도료용 산관능기형 폴리에스테르 수지 제조방법
US6042919A (en) *	1998-05-07	2000-03-28	Zomax Optical Media, Inc.	Structurally stable optical data storage medium
US6544716B1 (en) *	1998-06-19	2003-04-08	Terastor Corporation	Multilayer optical medium for near-field optical recording and reading
US6268073B1 (en)	1998-11-09	2001-07-31	Seagate Technology Llc	Flash layer overcoat for magnetically-induced super resolution magneto-optical media
US6381200B1 (en)	1998-11-18	2002-04-30	Seagate Technology Llc	Flash layer overcoat for first surface magneto-optical media
US6355342B1 (en)	1998-11-18	2002-03-12	Seagate Technology Llc	Flash layer overcoat for high density multilayer magneto-optical media
US6324131B1 (en)	1999-01-04	2001-11-27	Seagate Technology Llc	Low glide magneto-optical recording medium
US6590836B1 (en) *	1999-09-29	2003-07-08	Sanyo Electric Co., Ltd.	Magneto optical recording medium capable of preventing a reproduction layer from having a degraded characteristic
US6806030B2 (en) *	2000-03-30	2004-10-19	Hitachi, Ltd.	Information recording medium and method for manufacturing information recording medium
US6746517B2 (en) *	2000-09-05	2004-06-08	Donaldson Company, Inc.	Filter structure with two or more layers of fine fiber having extended useful service life
US7115150B2 (en) *	2000-09-05	2006-10-03	Donaldson Company, Inc.	Mist filtration arrangement utilizing fine fiber layer in contact with media having a pleated construction and floor filter method
US7270693B2 (en) *	2000-09-05	2007-09-18	Donaldson Company, Inc.	Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
US6743273B2 (en)	2000-09-05	2004-06-01	Donaldson Company, Inc.	Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
RU2300543C2 (ru) *	2001-05-31	2007-06-10	Дональдсон Компани, Инк.	Составы тонкого волокна, способы их получения, способ изготовления тонковолокнистого материала
AU2002367881A1 (en)	2002-04-18	2003-11-03	Seagate Technology Llc	Gmr spin valve structure using heusler alloy
KR20030097388A (ko) *	2002-06-20	2003-12-31	건설화학공업(주)	시온, 감온성(Thermochromic) 원료를 포함하는 에폭시타입, 에폭시-폴리에스테르 타입 분체도료의 제조 및 그조성물
JP2006520984A (ja) *	2003-03-19	2006-09-14	コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ	記録可能型光記録媒体
ATE390457T1 (de) *	2004-09-03	2008-04-15	Ciba Sc Holding Ag	In-can stabilisatoren
JP6980619B2 (ja) *	2018-08-31	2021-12-15	株式会社東芝	半導体装置、および半導体装置の製造方法

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JPS6032331B2 (ja) *	1980-03-12	1985-07-27	ケイディディ株式会社	磁気光学記録媒体
EP0045183B1 (de) *	1980-07-25	1984-12-05	Asahi Kasei Kogyo Kabushiki Kaisha	Aufzeichnungsmaterial
JPS5873746A (ja) *	1981-10-27	1983-05-04	Kokusai Denshin Denwa Co Ltd <Kdd>	光磁気記録媒体
JPS60197965A (ja) *	1984-03-21	1985-10-07	Canon Inc	磁気記録媒体
JPS6129437A (ja) *	1984-07-20	1986-02-10	Canon Inc	光磁気記録媒体
JPS6157052A (ja) *	1984-08-28	1986-03-22	Canon Inc	光学的記録媒体
JP2594030B2 (ja) *	1985-01-16	1997-03-26	セイコーエプソン株式会社	光磁気記録媒体
JPS6180640A (ja) *	1984-09-28	1986-04-24	Canon Inc	光学的記録媒体
JPS61115258A (ja) *	1984-11-09	1986-06-02	Oki Electric Ind Co Ltd	光磁気記録用媒体
JPS61122955A (ja) *	1984-11-19	1986-06-10	Fujitsu Ltd	光磁気記録媒体
JPS61276150A (ja) *	1985-05-31	1986-12-06	Oki Electric Ind Co Ltd	光磁気記録用媒体
US4786559A (en) *	1985-12-25	1988-11-22	Sharp Kabushiki Kaisha	Magnetooptical storage element
JPS62172547A (ja) *	1986-01-23	1987-07-29	Nec Corp	光磁気記録媒体
JPS62172545A (ja) *	1986-01-23	1987-07-29	Hitachi Maxell Ltd	光磁気記録媒体
JPS62172549A (ja) *	1986-01-23	1987-07-29	Nec Corp	光磁気記録媒体
JPS62246160A (ja) *	1986-04-18	1987-10-27	Oki Electric Ind Co Ltd	光磁気記録用媒体
JPS62267947A (ja) *	1986-05-16	1987-11-20	Hitachi Ltd	光磁気記録媒体
JPS63113835A (ja) *	1986-10-29	1988-05-18	Kyocera Corp	光磁気記録素子
JPS63269348A (ja) *	1987-04-27	1988-11-07	Oki Electric Ind Co Ltd	光磁気記録用媒体
CA1333820C (en) *	1988-09-13	1995-01-03	Masahiko Sekiya	Magneto-optical recording medium

1989
- 1989-09-05 CA CA000610354A patent/CA1333820C/en not_active Expired - Fee Related
- 1989-09-07 DE DE68921527T patent/DE68921527T2/de not_active Expired - Fee Related
- 1989-09-07 EP EP89116479A patent/EP0359114B1/de not_active Expired - Lifetime
- 1989-09-12 KR KR1019890013287A patent/KR900005396A/ko not_active Application Discontinuation
1993
- 1993-06-21 US US08/080,391 patent/US5492773A/en not_active Expired - Fee Related
1995
- 1995-05-22 US US08/445,654 patent/US5633746A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
US5633746A (en)	1997-05-27
US5492773A (en)	1996-02-20
EP0359114A3 (de)	1991-03-13
DE68921527T2 (de)	1995-09-21
EP0359114B1 (de)	1995-03-08
EP0359114A2 (de)	1990-03-21
KR900005396A (ko)	1990-04-14
CA1333820C (en)	1995-01-03

Publication	Publication Date	Title
DE68921527D1 (de)	1995-04-13	Magnetooptischer Aufzeignungsträger.
DE3778168D1 (de)	1992-05-21	Magnetisches aufzeichnungsmedium.
DE68917638D1 (de)	1994-09-29	Magneto-optisches Datenaufzeichnungssystem.
DE3773239D1 (de)	1991-10-31	Magnetisches aufzeichnungsmedium.
DE3877234D1 (de)	1993-02-18	Magnetooptisches informationstragendes medium.
DE3888109D1 (de)	1994-04-07	Magneto-optisches Aufzeichnungsmedium.
DE3680478D1 (de)	1991-08-29	Magnetooptisches aufzeichnungsmedium.
DE69021657D1 (de)	1995-09-21	Opto-magnetisches Aufzeichnungsmedium.
DE69112168D1 (de)	1995-09-21	Magnetooptisches Aufzeichnungsmedium.
DE68910570D1 (de)	1993-12-16	Magneto-optische Wiedergabeköpfe.
DE68917903D1 (de)	1994-10-06	Magneto-optischer Aufzeichnungsträger.
DE68923782D1 (de)	1995-09-14	Magneto-optisches Scheibenaufzeichnungsgerät.
DE69115426D1 (de)	1996-01-25	Magneto-optisches Aufzeichnungsmedium
DE69115963D1 (de)	1996-02-15	Magnetooptisches Aufzeichnungsmedium
DE69024747D1 (de)	1996-02-22	Magnetooptisches Aufzeichnungsmedium
DE69032931D1 (de)	1999-03-18	Magneto-optischer Aufzeichnungsträger
DE69222988D1 (de)	1997-12-11	Magnetooptisches Aufzeichnungsmedium
DE69020992D1 (de)	1995-08-24	Magneto-optisches Aufzeichnungsmedium.
DE69122977D1 (de)	1996-12-12	Magnetooptisches Aufzeichnungsmedium
DE68925393D1 (de)	1996-02-22	Magneto-optisches Aufzeichnungsmedium
DE69021789D1 (de)	1995-09-28	Aufzeichnungsmedium.
DE69130441D1 (de)	1998-12-10	Magnetooptischer Aufzeichnungsträger
DE68919289D1 (de)	1994-12-15	Magneto-optisches Aufzeichnungsgerät.
DE69016171D1 (de)	1995-03-02	Magnetooptisches Aufzeichnungsmedium.
DE69125919D1 (de)	1997-06-05	Magneto-optisches Aufzeichnungsmedium

Legal Events

Date	Code	Title	Description
1996-04-04	8364	No opposition during term of opposition
2000-11-09	8339	Ceased/non-payment of the annual fee