SG129692G - Magnetic disk - Google Patents

Magnetic disk

Info

Publication number
SG129692G
SG129692G SG129692A SG129692A SG129692G SG 129692 G SG129692 G SG 129692G SG 129692 A SG129692 A SG 129692A SG 129692 A SG129692 A SG 129692A SG 129692 G SG129692 G SG 129692G
Authority
SG
Singapore
Prior art keywords
magnetic disk
disk
magnetic
Prior art date
Application number
SG129692A
Other languages
English (en)
Original Assignee
Polyplastics Co
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 Polyplastics Co filed Critical Polyplastics Co
Publication of SG129692G publication Critical patent/SG129692G/en

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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • 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
    • G11B5/73921—Glass or ceramic 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
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • 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
    • 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
    • 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
    • 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
    • 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
    • G11B5/73925—Composite or coated non-esterified 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
    • G11B5/73923—Organic polymer substrates
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
    • 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
    • G11B5/73937—Substrates having an organic polymer comprising a ring structure
    • 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
    • Y10S428/91—Product with molecular orientation
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Metallurgy (AREA)
  • Ceramic Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
  • Magnetic Record Carriers (AREA)
  • Polyamides (AREA)
SG129692A 1985-06-14 1992-12-19 Magnetic disk SG129692G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12961685A JPH0673179B2 (ja) 1985-06-14 1985-06-14 磁気デイスク

Publications (1)

Publication Number Publication Date
SG129692G true SG129692G (en) 1993-06-11

Family

ID=15013869

Family Applications (1)

Application Number Title Priority Date Filing Date
SG129692A SG129692G (en) 1985-06-14 1992-12-19 Magnetic disk

Country Status (7)

Country Link
US (1) US4726998A (de)
EP (1) EP0206599B1 (de)
JP (1) JPH0673179B2 (de)
KR (1) KR920002086B1 (de)
CA (1) CA1288543C (de)
DE (1) DE3675437D1 (de)
SG (1) SG129692G (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61117730A (ja) * 1984-11-13 1986-06-05 Mitsubishi Chem Ind Ltd デイスク基板
DE3752302T2 (de) * 1986-08-27 2000-05-11 Teijin Ltd., Osaka Biaxial orientierte Polyesterfilme
JPH0726011B2 (ja) * 1986-10-17 1995-03-22 ポリプラスチックス株式会社 ポリエステル樹脂組成物
JPS6414246A (en) * 1987-07-07 1989-01-18 Diafoil Co Ltd Polyphenylene sulfide film
US5124184A (en) * 1987-08-21 1992-06-23 Minnesota Mining And Manufacturing Co. Films containing liquid crystalline polymers
US4963402A (en) * 1987-08-21 1990-10-16 Minnesota Mining And Manufacturing Company Films containing liquid crystalline polymers
US4869967A (en) * 1988-02-29 1989-09-26 Director General Of The Agency Of Industrial Science And Technology Multi-layer molded article and process for producing same
DE3817446A1 (de) * 1988-05-21 1989-11-23 Agfa Gevaert Ag Verfahren zur herstellung eines aufzeichnungstraegers
US4892912A (en) * 1988-11-08 1990-01-09 Idemitsu Petrochemical Co., Ltd. Process for producing aromatic polyester
JP2653163B2 (ja) * 1989-03-23 1997-09-10 松下電器産業株式会社 磁気テープ
US5045610A (en) * 1989-08-31 1991-09-03 The Dow Chemical Company Blend of copolyestercarbonate polymer derived from diaryl dicarboxylic acid
JPH06506498A (ja) * 1991-04-01 1994-07-21 フオスター・ミラー・インコーポレイテツド 平面構造を有する押出された熱可塑性ポリマー、液晶ポリマー及びこれらの混合物
JP3090706B2 (ja) * 1991-04-08 2000-09-25 株式会社クラレ 液晶高分子よりなるフィルムの製造方法
US5981007A (en) * 1992-03-31 1999-11-09 Foster-Miller, Inc. Extruded thermoplastic, liquid crystalline polymers and blends thereof having a planar morphology
JP3351475B2 (ja) * 1992-10-03 2002-11-25 ユニチカ株式会社 積層板及びその製造方法
EP1166264A1 (de) 1999-02-12 2002-01-02 General Electric Company Datenaufzeichnungsmedium
US7179551B2 (en) 1999-02-12 2007-02-20 General Electric Company Poly(arylene ether) data storage media
JP2002069392A (ja) * 2000-08-31 2002-03-08 Polymatech Co Ltd 熱伝導性接着フィルムおよびその製造方法ならびに電子部品
KR20030090761A (ko) * 2001-04-19 2003-11-28 제너럴 일렉트릭 캄파니 회전 피복된 매체

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1176482A (en) * 1966-09-07 1970-01-01 Zonal Film Magnetic Coatings L Magnetic Disk
JPS5926471B2 (ja) * 1976-03-12 1984-06-27 帝人株式会社 積層体
EP0047330B1 (de) * 1980-09-06 1984-06-13 Ibm Deutschland Gmbh Magnetplatten-Trägerkern aus faserverstärktem Kunststoff
US4390683A (en) * 1980-10-09 1983-06-28 Mitsui Petrochemical Industries Ltd. Stretched film structure of the poly-1,3-phenylene terephthalate type
US4384016A (en) * 1981-08-06 1983-05-17 Celanese Corporation Mutiaxially oriented high performance laminates comprised of uniaxially oriented sheets of thermotropic liquid crystal polymers
JPS58215722A (ja) * 1982-06-08 1983-12-15 Diafoil Co Ltd 磁気記録体用ポリエステルフイルム
JPS58215723A (ja) * 1982-06-08 1983-12-15 Diafoil Co Ltd 磁気記録体用ポリエステルフイルム
US4539389A (en) * 1983-03-30 1985-09-03 Teijin Limited Biaxially oriented polyester film
JPS59195322A (ja) * 1983-04-20 1984-11-06 Toray Ind Inc 磁気デイスク
FR2548958B1 (fr) * 1983-07-13 1986-03-21 Rhone Poulenc Films Films polyesters composites
JPS6021250A (ja) * 1983-07-15 1985-02-02 東レ株式会社 複合ポリエステルフイルム
JPS6071254A (ja) * 1983-09-29 1985-04-23 帝人株式会社 易接着性ポリエステルフィルム
US4606930A (en) * 1984-03-02 1986-08-19 Sumitomo Chemical Company, Limited Method for treating fibers
JPS6178862A (ja) * 1984-09-27 1986-04-22 Toray Ind Inc 二軸配向ポリエステルフイルム

Also Published As

Publication number Publication date
JPH0673179B2 (ja) 1994-09-14
EP0206599A2 (de) 1986-12-30
KR870000685A (ko) 1987-02-19
KR920002086B1 (ko) 1992-03-10
JPS61289523A (ja) 1986-12-19
EP0206599A3 (en) 1988-07-13
CA1288543C (en) 1991-09-03
DE3675437D1 (de) 1990-12-13
EP0206599B1 (de) 1990-11-07
US4726998A (en) 1988-02-23

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