DE3761114D1 - Magnetischer aufzeichnungstraeger und methode zu seiner herstellung. - Google Patents

Magnetischer aufzeichnungstraeger und methode zu seiner herstellung.

Info

Publication number
DE3761114D1
DE3761114D1 DE8787200577T DE3761114T DE3761114D1 DE 3761114 D1 DE3761114 D1 DE 3761114D1 DE 8787200577 T DE8787200577 T DE 8787200577T DE 3761114 T DE3761114 T DE 3761114T DE 3761114 D1 DE3761114 D1 DE 3761114D1
Authority
DE
Germany
Prior art keywords
production
record carrier
magnetic record
magnetic
carrier
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 - Lifetime
Application number
DE8787200577T
Other languages
English (en)
Inventor
Broeder Friedrich Johannes Den
Henricus Johannes Geo Draaisma
Alexander Kahle
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3761114D1 publication Critical patent/DE3761114D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
    • G11B5/676—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having magnetic layers separated by a nonmagnetic layer, e.g. antiferromagnetic layer, Cu layer or coupling layer
    • G11B5/678—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having magnetic layers separated by a nonmagnetic layer, e.g. antiferromagnetic layer, Cu layer or coupling layer having three or more magnetic layers
    • 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
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/928—Magnetic property
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12431—Foil or filament smaller than 6 mils
    • Y10T428/12438—Composite
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12556—Organic component
    • Y10T428/12569—Synthetic resin
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12597—Noncrystalline silica or noncrystalline plural-oxide component [e.g., glass, etc.]
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12632—Four or more distinct components with alternate recurrence of each type component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12674—Ge- or Si-base component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12875—Platinum group metal-base component
DE8787200577T 1986-04-07 1987-03-26 Magnetischer aufzeichnungstraeger und methode zu seiner herstellung. Expired - Lifetime DE3761114D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8600869 1986-04-07

Publications (1)

Publication Number Publication Date
DE3761114D1 true DE3761114D1 (de) 1990-01-11

Family

ID=19847835

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787200577T Expired - Lifetime DE3761114D1 (de) 1986-04-07 1987-03-26 Magnetischer aufzeichnungstraeger und methode zu seiner herstellung.

Country Status (6)

Country Link
US (1) US4678721A (de)
EP (1) EP0241080B1 (de)
JP (1) JP2507730B2 (de)
AU (1) AU586601B2 (de)
CA (1) CA1290055C (de)
DE (1) DE3761114D1 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2533860B2 (ja) * 1986-09-24 1996-09-11 株式会社日立製作所 磁性超格子膜およびそれを用いた磁気ヘツド
US4935311A (en) * 1987-04-13 1990-06-19 Hitachi, Ltd. Magnetic multilayered film and magnetic head using the same
DE3880048T2 (de) * 1987-08-26 1993-11-11 Sony Corp Aufzeichnungsträger mit senkrechter Magnetisierung.
US5400307A (en) * 1987-08-26 1995-03-21 Sony Corporation Magneto-optical recording medium with stacked layer structure
EP0367685A3 (de) * 1988-10-31 1991-08-07 Eastman Kodak Company Magneto-optisches Speichermedium
NL8803168A (nl) * 1988-12-24 1990-07-16 Philips Nv Werkwijze voor het thermomagnetisch registreren van informatie en het optisch uitlezen van de geregistreerde informatie alsmede een registratie-element dat geschikt is voor toepassing in deze werkwijze.
US4902583A (en) * 1989-03-06 1990-02-20 Brucker Charles F Thick deposited cobalt platinum magnetic film and method of fabrication thereof
US5106703A (en) * 1989-11-27 1992-04-21 Carcia Peter F Platinum/cobalt multilayer film for magneto-optical recording
US5082749A (en) * 1990-03-15 1992-01-21 E. I. Du Pont De Nemours And Company Platinum or palladium/cobalt multilayer on a zinc oxide or indium oxide layer for magneto-optical recording
DE69117350T2 (de) * 1990-05-29 1996-10-10 Oki Electric Ind Co Ltd Verfahren zur Herstellung magnetischer Aufzeichnungsträger
EP0502699B1 (de) * 1991-03-04 1995-10-18 Kabushiki Kaisha Toshiba Senkrechter magnetischer Film und magnetischer Aufzeichnungsträger
JP3029485B2 (ja) * 1991-07-22 2000-04-04 キヤノン株式会社 光磁気記録媒体
EP1160782A3 (de) * 1991-12-27 2004-09-22 Honeywell International Inc. Mehrschichtiger magnetooptischer Aufzeichnungsträger sowie Herstellungsverfahren
US5750270A (en) * 1995-02-07 1998-05-12 Conner Peripherals, Inc. Multi-layer magnetic recording media
US6893542B1 (en) 1999-09-10 2005-05-17 Seagate Technology Llc Sputtered multilayer magnetic recording media with ultra-high coercivity
JP2003248914A (ja) 2002-02-26 2003-09-05 Hitachi Ltd 垂直磁気記録媒体及びその製造方法
EP2381015B1 (de) 2005-08-12 2019-01-16 Modumetal, Inc. Kompositionell modulierte Verbundmaterialien
BR122013014461B1 (pt) * 2009-06-08 2020-10-20 Modumetal, Inc revestimento de multicamadas resistente à corrosão em um substrato e método de eletrodeposição para produção de um revestimento de multicamada
CN105143521B (zh) 2013-03-15 2020-07-10 莫杜美拓有限公司 用于连续施加纳米叠层金属涂层的方法和装置
CN108486622B (zh) 2013-03-15 2020-10-30 莫杜美拓有限公司 具有高硬度的镍铬纳米层压涂层
WO2014146114A1 (en) 2013-03-15 2014-09-18 Modumetal, Inc. Nanolaminate coatings
CN105189826B (zh) 2013-03-15 2019-07-16 莫杜美拓有限公司 通过添加制造工艺制备的制品的电沉积的组合物和纳米层压合金
EP3194642A4 (de) 2014-09-18 2018-07-04 Modumetal, Inc. Verfahren und vorrichtung zum kontinuierlichen auftragen von nanolaminierten metallbeschichtungen
AR102068A1 (es) 2014-09-18 2017-02-01 Modumetal Inc Métodos de preparación de artículos por electrodeposición y procesos de fabricación aditiva
US11365488B2 (en) 2016-09-08 2022-06-21 Modumetal, Inc. Processes for providing laminated coatings on workpieces, and articles made therefrom
US20190360116A1 (en) 2016-09-14 2019-11-28 Modumetal, Inc. System for reliable, high throughput, complex electric field generation, and method for producing coatings therefrom
US12076965B2 (en) 2016-11-02 2024-09-03 Modumetal, Inc. Topology optimized high interface packing structures
WO2018175975A1 (en) 2017-03-24 2018-09-27 Modumetal, Inc. Lift plungers with electrodeposited coatings, and systems and methods for producing the same
CA3060619A1 (en) 2017-04-21 2018-10-25 Modumetal, Inc. Tubular articles with electrodeposited coatings, and systems and methods for producing the same
US11519093B2 (en) 2018-04-27 2022-12-06 Modumetal, Inc. Apparatuses, systems, and methods for producing a plurality of articles with nanolaminated coatings using rotation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3479156A (en) * 1966-10-20 1969-11-18 Burton Silverplating Co Multilayer magnetic coating
NL8202596A (nl) * 1982-06-28 1984-01-16 Philips Nv Magnetisch registratiemedium.
US4587176A (en) * 1985-01-14 1986-05-06 E. I. Du Pont De Nemours And Company Layered coherent structures for magnetic recording

Also Published As

Publication number Publication date
AU7102587A (en) 1987-10-15
US4678721A (en) 1987-07-07
JPS62236131A (ja) 1987-10-16
JP2507730B2 (ja) 1996-06-19
EP0241080B1 (de) 1989-12-06
CA1290055C (en) 1991-10-01
AU586601B2 (en) 1989-07-13
EP0241080A1 (de) 1987-10-14

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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: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee