ATE458243T1 - Wärmeunterstütztes magnetisches aufzeichnungsmedium und verfahren zu dessen herstellung - Google Patents

Wärmeunterstütztes magnetisches aufzeichnungsmedium und verfahren zu dessen herstellung

Info

Publication number
ATE458243T1
ATE458243T1 AT06016168T AT06016168T ATE458243T1 AT E458243 T1 ATE458243 T1 AT E458243T1 AT 06016168 T AT06016168 T AT 06016168T AT 06016168 T AT06016168 T AT 06016168T AT E458243 T1 ATE458243 T1 AT E458243T1
Authority
AT
Austria
Prior art keywords
magnetic recording
assisted magnetic
producing
heat
recording medium
Prior art date
Application number
AT06016168T
Other languages
English (en)
Inventor
Po-Cheng Kuo
Yen-Hsiang Fang
An-Cheng Sun
Tao-Hsuan Yang
Chun-Yuan Chou
Ching-Ray Chang
Original Assignee
Po-Cheng Kuo
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 Po-Cheng Kuo filed Critical Po-Cheng Kuo
Application granted granted Critical
Publication of ATE458243T1 publication Critical patent/ATE458243T1/de

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
    • G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
    • G11B5/656—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing Co
    • 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
    • G11B5/672—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 different compositions in a plurality of magnetic layers, e.g. layer compositions having differing elemental components or differing proportions of elements
    • 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
    • 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
    • G11B5/7369—Two or more non-magnetic underlayers, e.g. seed layers or barrier 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
    • G11B5/739—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
    • G11B5/73921—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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
AT06016168T 2006-08-02 2006-08-02 Wärmeunterstütztes magnetisches aufzeichnungsmedium und verfahren zu dessen herstellung ATE458243T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06016168A EP1887568B1 (de) 2006-08-02 2006-08-02 Wärmeunterstütztes magnetisches Aufzeichnungsmedium und Verfahren zu dessen Herstellung

Publications (1)

Publication Number Publication Date
ATE458243T1 true ATE458243T1 (de) 2010-03-15

Family

ID=37547557

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06016168T ATE458243T1 (de) 2006-08-02 2006-08-02 Wärmeunterstütztes magnetisches aufzeichnungsmedium und verfahren zu dessen herstellung

Country Status (3)

Country Link
EP (1) EP1887568B1 (de)
AT (1) ATE458243T1 (de)
DE (1) DE602006012309D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8988976B2 (en) 2013-07-09 2015-03-24 Seagate Technology Llc Composite magnetic recording structure for heat assisted magnetic recording device
US9324353B2 (en) 2013-11-19 2016-04-26 HGST Netherlands B.V. Dual segregant heat assisted magnetic recording (HAMR) media
US9443545B2 (en) 2013-12-24 2016-09-13 HGST Netherlands B.V. Thermally stable Au alloys as a heat diffusion and plasmonic underlayer for heat-assisted magnetic recording (HAMR) media

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4409085B2 (ja) * 2000-12-28 2010-02-03 昭和電工株式会社 磁気記録媒体、その製造方法、および磁気記録再生装置
JP2003016620A (ja) 2001-06-29 2003-01-17 Toshiba Corp 磁気記録媒体、磁気記録装置および磁気記録方法
JP4332833B2 (ja) 2001-08-31 2009-09-16 富士電機デバイステクノロジー株式会社 垂直磁気記録媒体及びその製造方法
JP3981732B2 (ja) 2003-03-27 2007-09-26 独立行政法人物質・材料研究機構 垂直磁気異方性を有するＦｅＰｔ磁性薄膜とその製造方法

Also Published As

Publication number Publication date
EP1887568A1 (de) 2008-02-13
DE602006012309D1 (de) 2010-04-01
EP1887568B1 (de) 2010-02-17

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Legal Events

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