MY162432A - Aluminum substrate for magnetic recording media - Google Patents

Aluminum substrate for magnetic recording media

Info

Publication number
MY162432A
MY162432A MYPI2016703303A MYPI2016703303A MY162432A MY 162432 A MY162432 A MY 162432A MY PI2016703303 A MYPI2016703303 A MY PI2016703303A MY PI2016703303 A MYPI2016703303 A MY PI2016703303A MY 162432 A MY162432 A MY 162432A
Authority
MY
Malaysia
Prior art keywords
magnetic recording
recording media
aluminum substrate
inclusive
mpa
Prior art date
Application number
MYPI2016703303A
Inventor
Tetsuo Suzuki
Naoya Fujiwara
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of MY162432A publication Critical patent/MY162432A/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
    • G11B5/84—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
    • G11B5/739—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

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)

Abstract

This aluminum substrate for magnetic recording media is obtained by forming SiO2 films, each having a thickness of from 6.0 μm to 15.0 μm (inclusive), on both surfaces of an aluminum plate. Each of the SiO2 films has a compressive stress of from 450 MPa to 1,000 MPa (inclusive).
MYPI2016703303A 2014-03-17 2015-03-11 Aluminum substrate for magnetic recording media MY162432A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014053730A JP6261399B2 (en) 2014-03-17 2014-03-17 Aluminum substrate for magnetic recording media

Publications (1)

Publication Number Publication Date
MY162432A true MY162432A (en) 2017-06-15

Family

ID=54144513

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2016703303A MY162432A (en) 2014-03-17 2015-03-11 Aluminum substrate for magnetic recording media

Country Status (5)

Country Link
JP (1) JP6261399B2 (en)
CN (1) CN106068536B (en)
MY (1) MY162432A (en)
SG (1) SG11201607531YA (en)
WO (1) WO2015141542A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI755466B (en) * 2016-12-28 2022-02-21 日商東洋鋼鈑股份有限公司 Substrate for hard disk and hard disk device using the same

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5148302A (en) * 1974-10-24 1976-04-26 Nippon Telegraph & Telephone KOKIROKUMITSUDOYOJIKIDEISUKUKIBAN
JPS60229233A (en) * 1984-04-27 1985-11-14 Sumitomo Special Metals Co Ltd Substrate for magnetic disk and its production
JP2552682B2 (en) * 1987-09-25 1996-11-13 三菱化学株式会社 Magnetic disk substrate and manufacturing method thereof
US7019924B2 (en) * 2001-02-16 2006-03-28 Komag, Incorporated Patterned medium and recording head
US7566673B2 (en) * 2003-10-31 2009-07-28 Konica Minolta Opto, Inc. Glass substrate for an information recording medium and information recording medium employing it
JP4255826B2 (en) * 2003-12-26 2009-04-15 株式会社東芝 Magnetic recording medium, magnetic recording medium manufacturing method, and magnetic recording / reproducing apparatus
JP4947429B2 (en) * 2007-12-11 2012-06-06 富士電機株式会社 Information recording medium substrate and information magnetic recording medium using the same
JP5608133B2 (en) * 2011-06-14 2014-10-15 株式会社神戸製鋼所 Method for manufacturing aluminum substrate for magnetic recording medium
JP5681580B2 (en) * 2011-07-08 2015-03-11 株式会社神戸製鋼所 Method for manufacturing aluminum substrate for magnetic recording medium
MY167782A (en) * 2011-09-27 2018-09-25 Hoya Corp Glass substrate, information recording medium using glass substrate, and method for producing glass substrate

Also Published As

Publication number Publication date
CN106068536A (en) 2016-11-02
JP2015176630A (en) 2015-10-05
SG11201607531YA (en) 2016-10-28
WO2015141542A1 (en) 2015-09-24
JP6261399B2 (en) 2018-01-17
CN106068536B (en) 2018-09-25

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