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ATE286297T1 - Magnetplattensubstrate aus keramik-metall matrix kompositen mit oder ohne metallbeschichtung - Google Patents

Magnetplattensubstrate aus keramik-metall matrix kompositen mit oder ohne metallbeschichtung

Info

Publication number
ATE286297T1
ATE286297T1 AT97928764T AT97928764T ATE286297T1 AT E286297 T1 ATE286297 T1 AT E286297T1 AT 97928764 T AT97928764 T AT 97928764T AT 97928764 T AT97928764 T AT 97928764T AT E286297 T1 ATE286297 T1 AT E286297T1
Authority
AT
Austria
Prior art keywords
ceramic
metal
metal matrix
magnetic plate
matrix composites
Prior art date
Application number
AT97928764T
Other languages
English (en)
Inventor
Robin A Carden
Raymond L Stanish
William C Harrigan
Original Assignee
Dyson Us Holdings Inc
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
Priority claimed from US08/674,140 external-priority patent/US5712014A/en
Priority claimed from US08/791,831 external-priority patent/US5895696A/en
Priority claimed from US08/795,384 external-priority patent/US5948495A/en
Application filed by Dyson Us Holdings Inc filed Critical Dyson Us Holdings Inc
Application granted granted Critical
Publication of ATE286297T1 publication Critical patent/ATE286297T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • 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
    • G11B5/73911—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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2204/00—End product comprising different layers, coatings or parts of cermet

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Chemically Coating (AREA)
  • Powder Metallurgy (AREA)
  • Physical Vapour Deposition (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Soft Magnetic Materials (AREA)
  • Laminated Bodies (AREA)
AT97928764T 1996-07-01 1997-05-21 Magnetplattensubstrate aus keramik-metall matrix kompositen mit oder ohne metallbeschichtung ATE286297T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/674,140 US5712014A (en) 1996-07-01 1996-07-01 Metal matrix compositions for substrates used to make magnetic disks for hard disk drives
US08/791,831 US5895696A (en) 1996-07-01 1997-01-30 Metal-clad ceramic-metal matrix composites for magnetic disk substrates for hard disk drives
US08/795,384 US5948495A (en) 1996-07-01 1997-02-04 Ceramic-metal matrix composites for magnetic disk substrates for hard disk drives
PCT/US1997/009399 WO1998000572A1 (en) 1996-07-01 1997-05-21 Magnetic disk substrates formed of ceramic-metal matrix composites with or without metal cladding

Publications (1)

Publication Number Publication Date
ATE286297T1 true ATE286297T1 (de) 2005-01-15

Family

ID=27418279

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97928764T ATE286297T1 (de) 1996-07-01 1997-05-21 Magnetplattensubstrate aus keramik-metall matrix kompositen mit oder ohne metallbeschichtung

Country Status (9)

Country Link
EP (1) EP0914488B1 (de)
JP (1) JP2000514501A (de)
AT (1) ATE286297T1 (de)
CA (1) CA2259483A1 (de)
DE (1) DE69732112T2 (de)
ES (1) ES2235237T3 (de)
HK (1) HK1020075A1 (de)
PT (1) PT914488E (de)
WO (1) WO1998000572A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR0008208A (pt) 1999-02-12 2002-02-19 Gen Electric Meios de armazenamento de dados
FR2882948B1 (fr) * 2005-03-14 2007-05-04 Forges De Bologne Soc Par Acti Procede ameliore de preparation de composites a matrice metallique et dispositif de mise en oeuvre d'un tel procede
WO2018118095A1 (en) * 2016-12-23 2018-06-28 Intel Corporation Multiferroic recording media and readout sensor
WO2018118093A1 (en) * 2016-12-23 2018-06-28 Intel Corporation Quaternary and six state magnetic media and read heads

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4623388A (en) * 1983-06-24 1986-11-18 Inco Alloys International, Inc. Process for producing composite material
US4605440A (en) * 1985-05-06 1986-08-12 The United States Of America As Represented By The United States Department Of Energy Boron-carbide-aluminum and boron-carbide-reactive metal cermets
EP0313379B1 (de) * 1987-10-23 1992-07-22 Mitsubishi Rayon Co., Ltd. Optisch aktive, Delta-Valerolacton-Ring enthaltende Verbindung und dieselbe enthaltende flüssigkristalline Zusammensetzung
US5486223A (en) * 1994-01-19 1996-01-23 Alyn Corporation Metal matrix compositions and method of manufacture thereof
US5480695A (en) * 1994-08-10 1996-01-02 Tenhover; Michael A. Ceramic substrates and magnetic data storage components prepared therefrom
US5780164A (en) * 1994-12-12 1998-07-14 The Dow Chemical Company Computer disk substrate, the process for making same, and the material made therefrom

Also Published As

Publication number Publication date
JP2000514501A (ja) 2000-10-31
EP0914488B1 (de) 2004-12-29
HK1020075A1 (en) 2000-03-10
WO1998000572A1 (en) 1998-01-08
DE69732112D1 (de) 2005-02-03
CA2259483A1 (en) 1998-01-08
PT914488E (pt) 2005-02-28
EP0914488A1 (de) 1999-05-12
ES2235237T3 (es) 2005-07-01
DE69732112T2 (de) 2005-12-08
EP0914488A4 (de) 2000-10-04

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