DE69210928T2 - Magnetische Aufzeichnungsplatte - Google Patents

Magnetische Aufzeichnungsplatte

Info

Publication number
DE69210928T2
DE69210928T2 DE69210928T DE69210928T DE69210928T2 DE 69210928 T2 DE69210928 T2 DE 69210928T2 DE 69210928 T DE69210928 T DE 69210928T DE 69210928 T DE69210928 T DE 69210928T DE 69210928 T2 DE69210928 T2 DE 69210928T2
Authority
DE
Germany
Prior art keywords
magnetic recording
recording disk
disk
magnetic
recording
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
DE69210928T
Other languages
English (en)
Other versions
DE69210928D1 (de
Inventor
James Kent Howard
Hung-Chang Ward Huang
Cherngye Hwang
Anthony Wai Wu
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE69210928D1 publication Critical patent/DE69210928D1/de
Application granted granted Critical
Publication of DE69210928T2 publication Critical patent/DE69210928T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base 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
    • G11B5/73—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
    • G11B5/7371—Non-magnetic single underlayer comprising nickel
    • 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
    • G11B5/7373—Non-magnetic single underlayer comprising chromium
    • 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
    • G11B5/7377—Physical structure of underlayer, e.g. texture
    • 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
    • G11B5/73911—Inorganic substrates
    • G11B5/73913—Composites or coated substrates
    • 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
    • G11B5/73911—Inorganic substrates
    • G11B5/73913—Composites or coated substrates
    • G11B5/73915—Silicon compound based coating
    • 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
    • G11B5/73911—Inorganic substrates
    • G11B5/73917—Metallic substrates, i.e. elemental metal or metal alloy substrates
    • G11B5/73919—Aluminium or titanium elemental or alloy 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
    • 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
    • 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
    • Y10S428/9335—Product by special process
    • Y10S428/938—Vapor deposition or gas diffusion
    • 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.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, 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
    • Y10T428/26—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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
DE69210928T 1991-09-24 1992-09-03 Magnetische Aufzeichnungsplatte Expired - Fee Related DE69210928T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76458291A 1991-09-24 1991-09-24

Publications (2)

Publication Number Publication Date
DE69210928D1 DE69210928D1 (de) 1996-06-27
DE69210928T2 true DE69210928T2 (de) 1996-12-12

Family

ID=25071141

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69210928T Expired - Fee Related DE69210928T2 (de) 1991-09-24 1992-09-03 Magnetische Aufzeichnungsplatte

Country Status (4)

Country Link
US (1) US5436047A (de)
EP (1) EP0534624B1 (de)
JP (1) JPH071537B2 (de)
DE (1) DE69210928T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2834392B2 (ja) * 1993-06-23 1998-12-09 ストアメディア インコーポレーテッド 金属薄膜型磁気記録媒体とその製造方法
US5871621A (en) * 1994-09-27 1999-02-16 Komag, Incorporated Method of fabricating a textured magnetic storage disk
KR19980702586A (ko) * 1995-03-08 1998-07-15 미가꾸 다까하시 자기기록매체 및 그 제조방법
US5789090A (en) * 1996-02-05 1998-08-04 Stormedia, Inc. Metallic thin-film magnetic recording media
US5824387A (en) * 1996-02-05 1998-10-20 Seagate Technology, Inc. Magnetic disc with carbon protective layer having regions differing in hardness
JP3669457B2 (ja) 1996-03-19 2005-07-06 富士通株式会社 磁気記録媒体及びその製造方法
JP2856165B2 (ja) * 1996-08-12 1999-02-10 日本電気株式会社 磁気抵抗効果素子及びその製造方法
US6165583A (en) * 1997-09-08 2000-12-26 Seagate Technology, Inc. Surface modification of magnetic recording substrates to control subsequent laser texturing
JP2001236643A (ja) * 2000-02-23 2001-08-31 Fuji Electric Co Ltd 磁気記録媒体製造用スパッタリングターゲット、それを用いた磁気記録媒体の製造方法および磁気記録媒体
US6689476B2 (en) 2001-06-27 2004-02-10 Guardian Industries Corp. Hydrophobic coating including oxide of Ni and/or Cr
US6753130B1 (en) * 2001-09-18 2004-06-22 Seagate Technology Llc Resist removal from patterned recording media
US7189583B2 (en) * 2003-07-02 2007-03-13 Micron Technology, Inc. Method for production of MRAM elements
DE102006001253B4 (de) * 2005-12-30 2013-02-07 Advanced Micro Devices, Inc. Verfahren zur Herstellung einer Metallschicht über einem strukturierten Dielektrikum mittels einer nasschemischen Abscheidung mit einer stromlosen und einer leistungsgesteuerten Phase
CN113088904B (zh) * 2021-03-01 2022-02-11 西安交通大学 一种具有纳米多级结构的金属Cr涂层及其制备方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3110613A (en) * 1960-09-19 1963-11-12 Charles P Bean Magnetic material
US3864093A (en) * 1972-11-17 1975-02-04 Union Carbide Corp High-temperature, wear-resistant coating
JPS5961105A (ja) * 1982-09-30 1984-04-07 Fuji Photo Film Co Ltd 磁気記録媒体
US4472248A (en) * 1982-12-20 1984-09-18 Minnesota Mining And Manufacturing Company Method of making thin-film magnetic recording medium having perpendicular anisotropy
JPS59119538A (ja) * 1982-12-25 1984-07-10 Tdk Corp 磁気記録媒体
JPS61199236A (ja) * 1985-03-01 1986-09-03 Mitsubishi Electric Corp 磁気記録媒体
JPS61202326A (ja) * 1985-03-05 1986-09-08 Mitsubishi Electric Corp 磁気デイスク
JPS62129934A (ja) * 1985-12-02 1987-06-12 Victor Co Of Japan Ltd 磁気記録媒体
US4828905A (en) * 1986-06-12 1989-05-09 Sumitomo Special Metals Co., Ltd. Magnetic recording medium
DE3888984T2 (de) * 1987-01-07 1994-08-04 Hitachi Maxell Magnetischer Aufzeichnungsträger.
US4940511A (en) * 1988-03-28 1990-07-10 International Business Machines Corporation Method for making a magnetoresistive read transducer
JPH02216609A (ja) * 1989-02-16 1990-08-29 Victor Co Of Japan Ltd 磁気記録媒体とその製造方法

Also Published As

Publication number Publication date
JPH071537B2 (ja) 1995-01-11
DE69210928D1 (de) 1996-06-27
US5436047A (en) 1995-07-25
EP0534624A1 (de) 1993-03-31
EP0534624B1 (de) 1996-05-22
JPH05205243A (ja) 1993-08-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee