SG10201912466TA - Magnetic-disk substrate, magnetic disk, and method for manufacturing magnetic-disk substrate - Google Patents

Magnetic-disk substrate, magnetic disk, and method for manufacturing magnetic-disk substrate

Info

Publication number
SG10201912466TA
SG10201912466TA SG10201912466TA SG10201912466TA SG10201912466TA SG 10201912466T A SG10201912466T A SG 10201912466TA SG 10201912466T A SG10201912466T A SG 10201912466TA SG 10201912466T A SG10201912466T A SG 10201912466TA SG 10201912466T A SG10201912466T A SG 10201912466TA
Authority
SG
Singapore
Prior art keywords
magnetic
disk
disk substrate
manufacturing
substrate
Prior art date
Application number
SG10201912466TA
Inventor
Masanobu Itaya
Kinobu Osakabe
Original Assignee
Hoya 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 Hoya Corp filed Critical Hoya Corp
Publication of SG10201912466TA publication Critical patent/SG10201912466TA/en

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/74Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82Disk carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/73Base 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/73Base 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
    • G11B5/739Magnetic recording media substrates
    • G11B5/73911Inorganic substrates
    • G11B5/73913Composites or coated substrates
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/73Base 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
    • G11B5/739Magnetic recording media substrates
    • G11B5/73911Inorganic substrates
    • G11B5/73917Metallic substrates, i.e. elemental metal or metal alloy substrates
    • G11B5/73919Aluminium or titanium elemental or alloy substrates
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/73Base 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
    • G11B5/739Magnetic recording media substrates
    • G11B5/73911Inorganic substrates
    • G11B5/73921Glass or ceramic substrates
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84Processes or apparatus specially adapted for manufacturing record carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8404Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00Manufacture or treatment of nanostructures

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Nanotechnology (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
SG10201912466TA 2015-03-31 2016-03-31 Magnetic-disk substrate, magnetic disk, and method for manufacturing magnetic-disk substrate SG10201912466TA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201562141121P 2015-03-31 2015-03-31

Publications (1)

Publication Number Publication Date
SG10201912466TA true SG10201912466TA (en) 2020-02-27

Family

ID=57004784

Family Applications (2)

Application Number Title Priority Date Filing Date
SG10201912466TA SG10201912466TA (en) 2015-03-31 2016-03-31 Magnetic-disk substrate, magnetic disk, and method for manufacturing magnetic-disk substrate
SG11201705386YA SG11201705386YA (en) 2015-03-31 2016-03-31 Magnetic-disk substrate, magnetic disk, and method for manufacturing magnetic-disk substrate

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG11201705386YA SG11201705386YA (en) 2015-03-31 2016-03-31 Magnetic-disk substrate, magnetic disk, and method for manufacturing magnetic-disk substrate

Country Status (6)

Country Link
US (3) US10319403B2 (en)
JP (2) JP6499274B2 (en)
CN (2) CN111341353B (en)
MY (1) MY182265A (en)
SG (2) SG10201912466TA (en)
WO (1) WO2016159228A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111341353B (en) * 2015-03-31 2022-03-11 Hoya株式会社 Magnetic disk substrate, magnetic disk, and magnetic disk drive device
DE102016111909B4 (en) * 2016-06-29 2020-08-13 Infineon Technologies Ag Micromechanical structure and method of making it
CN112513985B (en) * 2018-08-07 2023-07-28 Hoya株式会社 Magnetic disk substrate and magnetic disk

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4713064B2 (en) 2002-06-05 2011-06-29 Hoya株式会社 Manufacturing method of glass substrate for information recording medium and glass substrate for information recording medium manufactured by the manufacturing method
US7010939B2 (en) 2002-06-05 2006-03-14 Hoya Corporation Glass substrate for data recording medium and manufacturing method thereof
CN1310024C (en) * 2004-02-28 2007-04-11 鸿富锦精密工业(深圳)有限公司 Probe unit of microscope with atomic force and manufacturing method
JP4452827B2 (en) * 2004-12-28 2010-04-21 独立行政法人産業技術総合研究所 Scanning magnetic force microscope probe, manufacturing method thereof, and ferromagnetic alloy film forming method for carbon nanotube
DE102006039651A1 (en) * 2005-08-31 2007-03-22 Hitachi Kenki Finetech Co., Ltd. Cantilever and tester
GB2433515B (en) 2005-12-22 2011-05-04 Kao Corp Polishing composition for hard disk substrate
JP4651532B2 (en) * 2005-12-26 2011-03-16 花王株式会社 Manufacturing method of magnetic disk substrate
WO2007109777A2 (en) * 2006-03-22 2007-09-27 Veeco Instruments Inc. Stiffness tomography by atomic force microscopy
JP2008293552A (en) 2007-05-22 2008-12-04 Fujitsu Ltd Substrate, magnetic recording medium, its manufacturing method, and magnetic storage device
JP2009109411A (en) * 2007-10-31 2009-05-21 Hitachi Kenki Fine Tech Co Ltd Probe, its manufacturing method, and probe microscope of scanning type
JP5174896B2 (en) * 2008-04-17 2013-04-03 オリンパス株式会社 Carbon nanofiber probe cantilever
SG194382A1 (en) * 2008-09-30 2013-11-29 Hoya Corp Glass substrate for a magnetic disk and magnetic disk
CN102109535A (en) * 2009-12-24 2011-06-29 北京五泽坤科技有限公司 Controllable method for preparing atomic force microscope needlepoint with carbon nano tube
WO2011080912A1 (en) 2009-12-29 2011-07-07 Hoya株式会社 Method for manufacturing magnetic-disk glass substrate, and magnetic-disk glass substrate
KR101993322B1 (en) * 2011-09-28 2019-06-26 호야 가부시키가이샤 Glass substrate for mask blank, substrate with multilayer reflective film, mask blank and mask, and preparation method for the same
CN104011795B (en) * 2011-12-29 2017-02-22 Hoya株式会社 Manufacturing method for magnetic-disk glass substrate
CN103293341B (en) 2012-02-23 2015-07-01 清华大学 Atomic force microscope probe
MY176178A (en) * 2013-06-29 2020-07-24 Hoya Corp Method for manufacturing a glass substrate, method for manufacturing a magnetic disk, and polishing liquid composition for a glass substrate
MY173574A (en) 2013-09-28 2020-02-04 Hoya Corp Method for manufacturing glass substrate and method for manufacturing magnetic disk
WO2015046603A1 (en) * 2013-09-30 2015-04-02 Hoya株式会社 Silica, method for producing silica abrasive, and method for producing glass substrate for magnetic disc
KR101626936B1 (en) * 2014-10-10 2016-06-02 한국과학기술연구원 Carbon nanofibers with sharp tip structure and carbon nanofibers growth method using of palladium catalyst
CN111341353B (en) 2015-03-31 2022-03-11 Hoya株式会社 Magnetic disk substrate, magnetic disk, and magnetic disk drive device
JP2018101451A (en) 2015-04-23 2018-06-28 旭硝子株式会社 Substrate for magnetic recording medium, magnetic recording medium, and manufacturing method

Also Published As

Publication number Publication date
CN107430871B (en) 2020-02-28
CN111341353A (en) 2020-06-26
CN111341353B (en) 2022-03-11
US20210375313A1 (en) 2021-12-02
SG11201705386YA (en) 2017-08-30
JPWO2016159228A1 (en) 2017-11-30
JP2019096377A (en) 2019-06-20
US10319403B2 (en) 2019-06-11
US11682424B2 (en) 2023-06-20
JP6664530B2 (en) 2020-03-13
CN107430871A (en) 2017-12-01
US20190251993A1 (en) 2019-08-15
US11094345B2 (en) 2021-08-17
JP6499274B2 (en) 2019-04-10
US20180005659A1 (en) 2018-01-04
MY182265A (en) 2021-01-18
WO2016159228A1 (en) 2016-10-06

Similar Documents

Publication Publication Date Title
EP3225612A4 (en) Fluoropolyether compound, lubricant, magnetic disk, and method for producing same
TWI562177B (en) Magnetic core, coil component and method for manufacturing magnetic core
EP3385951A4 (en) Oriented body, method for manufacturing same, device for manufacturing same, and magnetic recording medium
EP3118865A4 (en) Magnetic core, coil component and magnetic core manufacturing method
EP3131100A4 (en) Magnetic core component, magnetic element, and production method for magnetic core component
SG11201501455YA (en) Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate
SG10202111088SA (en) Non-magnetic substrate for magnetic disk, and magnetic disk
EP3196897A4 (en) Magnetic core and method for manufacturing same
EP3075871B8 (en) Soft magnetic steel and method for manufacturing same, and soft magnetic component obtained from soft magnetic steel
SG11201702803SA (en) Method for manufacturing magnetic-disk substrate and method for manufacturing magnetic disk
SG10202006113YA (en) Grinding tool, method for manufacturing glass substrate, method for manufacturing magnetic-disk glass substrate, and method for manufacturing magnetic disk
SG11201709624VA (en) Magnetic-disk glass substrate, magnetic-disk glass substrate intermediate, and method for manufacturing magnetic-disk glass substrate
SG11201705386YA (en) Magnetic-disk substrate, magnetic disk, and method for manufacturing magnetic-disk substrate
SG11201705369SA (en) Manufacturing method for magnetic recording medium and magnetic recording medium manufactured by said manufacturing method
SG11201507852XA (en) Method for manufacturing magnetic-disk glass substrate, method for manufacturing magnetic disk, and polishing pad
SG10201604120PA (en) Glass for magnetic recording medium substrate, magnetic recording medium substrate, and magnetic recording medium
SG10201403546VA (en) Protective layer for a magnetic recording medium, and a method of manufacturing the same
SG11201508850YA (en) Grindstone, method for manufacturing magnetic-disk glass substrate, and method for manufacturing magnetic disk
SG11201605950XA (en) Method for manufacturing magnetic-disk substrate and method for manufacturing magnetic disk
SG10201604651VA (en) Glass substrate for magnetic recording medium and magnetic recording medium
SG11201507851UA (en) Method for manufacturing magnetic-disk glass substrate, magnetic-disk glass substrate, and method for manufacturing magnetic disk
SG10201701244VA (en) Disk-shaped glass substrate, magnetic-disk glass substrate, method for manufacturing magnetic-disk glass substrate, and magnetic disk
SG11201604655PA (en) Method for manufacturing perpendicular magnetic recording medium
SG11201601374SA (en) Method for manufacturing glass substrate for magnetic disk, and method for manufacturing magnetic disk
SG10201510061XA (en) Glass substrate for magnetic recording media and magnetic recording media