SG11201510551VA - Glass substrate for information recording medium and magnetic disk device - Google Patents

Glass substrate for information recording medium and magnetic disk device

Info

Publication number
SG11201510551VA
SG11201510551VA SG11201510551VA SG11201510551VA SG11201510551VA SG 11201510551V A SG11201510551V A SG 11201510551VA SG 11201510551V A SG11201510551V A SG 11201510551VA SG 11201510551V A SG11201510551V A SG 11201510551VA SG 11201510551V A SG11201510551V A SG 11201510551VA
Authority
SG
Singapore
Prior art keywords
recording medium
glass substrate
information recording
magnetic disk
disk device
Prior art date
Application number
SG11201510551VA
Other languages
English (en)
Inventor
Fukumoto Naoyuki
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 SG11201510551VA publication Critical patent/SG11201510551VA/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
    • G11B5/62—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
SG11201510551VA 2013-06-27 2014-05-29 Glass substrate for information recording medium and magnetic disk device SG11201510551VA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013134918 2013-06-27
PCT/JP2014/064217 WO2014208259A1 (fr) 2013-06-27 2014-05-29 Substrat en verre destiné à un support d'enregistrement d'informations, et dispositif disque magnétique

Publications (1)

Publication Number Publication Date
SG11201510551VA true SG11201510551VA (en) 2016-01-28

Family

ID=52141611

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201510551VA SG11201510551VA (en) 2013-06-27 2014-05-29 Glass substrate for information recording medium and magnetic disk device

Country Status (5)

Country Link
JP (1) JP5898381B2 (fr)
CN (1) CN105247615B (fr)
MY (1) MY168982A (fr)
SG (1) SG11201510551VA (fr)
WO (1) WO2014208259A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6481509B2 (ja) * 2015-05-25 2019-03-13 Ａｇｃ株式会社 磁気記録媒体基板用ガラス、磁気記録媒体基板、および磁気記録媒体
JP6786307B2 (ja) * 2016-08-29 2020-11-18 株式会社ニューフレアテクノロジー 気相成長方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101356040B (zh) * 2006-09-19 2012-05-30 Hoya株式会社 磁盘用玻璃基板的制造方法及磁盘制造方法
JP5518166B2 (ja) * 2006-09-19 2014-06-11 Ｈｏｙａ株式会社 磁気ディスク用ガラス基板の製造方法および磁気ディスク製造方法
JP4748115B2 (ja) * 2007-06-12 2011-08-17 コニカミノルタオプト株式会社 磁気記録媒体用ガラス基板及び磁気記録媒体
WO2009084534A1 (fr) * 2007-12-28 2009-07-09 Hoya Corporation Substrat en verre pour disque magnétique, disque magnétique, et procédé de fabrication de disque magnétique
JP2010073289A (ja) * 2008-09-22 2010-04-02 Hoya Corp 磁気ディスク用基板および磁気ディスク
JP5991728B2 (ja) * 2011-09-30 2016-09-14 Hoya株式会社 磁気ディスク用ガラス基板の製造方法及び磁気ディスクの製造方法
JP5671624B2 (ja) * 2011-09-30 2015-02-18 Hoya株式会社 情報記録媒体用ガラス基板および情報記録媒体

Also Published As

Publication number Publication date
JPWO2014208259A1 (ja) 2017-02-23
MY168982A (en) 2019-01-29
CN105247615A (zh) 2016-01-13
WO2014208259A1 (fr) 2014-12-31
JP5898381B2 (ja) 2016-04-06
CN105247615B (zh) 2018-06-22

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