SG11201408464WA - Glass substrate for information recording medium and method for manufacturing the same - Google Patents

Glass substrate for information recording medium and method for manufacturing the same

Info

Publication number
SG11201408464WA
SG11201408464WA SG11201408464WA SG11201408464WA SG11201408464WA SG 11201408464W A SG11201408464W A SG 11201408464WA SG 11201408464W A SG11201408464W A SG 11201408464WA SG 11201408464W A SG11201408464W A SG 11201408464WA SG 11201408464W A SG11201408464W A SG 11201408464WA
Authority
SG
Singapore
Prior art keywords
manufacturing
recording medium
same
glass substrate
information recording
Prior art date
Application number
SG11201408464WA
Other languages
English (en)
Inventor
Noriko Shimazu
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 SG11201408464WA publication Critical patent/SG11201408464WA/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
    • G11B5/73921—Glass or ceramic substrates

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
  • Surface Treatment Of Glass (AREA)
SG11201408464WA 2012-06-29 2013-06-18 Glass substrate for information recording medium and method for manufacturing the same SG11201408464WA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012147260 2012-06-29
PCT/JP2013/066706 WO2014002825A1 (ja) 2012-06-29 2013-06-18 情報記録媒体用ガラス基板および情報記録媒体用ガラス基板の製造方法

Publications (1)

Publication Number Publication Date
SG11201408464WA true SG11201408464WA (en) 2015-04-29

Family

ID=49782984

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201408464WA SG11201408464WA (en) 2012-06-29 2013-06-18 Glass substrate for information recording medium and method for manufacturing the same

Country Status (5)

Country Link
JP (1) JP6267115B2 (ja)
CN (1) CN104395959B (ja)
MY (1) MY181624A (ja)
SG (1) SG11201408464WA (ja)
WO (1) WO2014002825A1 (ja)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3310563B2 (ja) * 1996-12-09 2002-08-05 株式会社日立製作所 磁気記録媒体及びその製造方法
JP2000117208A (ja) * 1998-10-13 2000-04-25 Kurita Water Ind Ltd 電子材料の洗浄方法
US7010939B2 (en) * 2002-06-05 2006-03-14 Hoya Corporation Glass substrate for data recording medium and manufacturing method thereof
KR20050065312A (ko) * 2003-12-25 2005-06-29 마츠시타 덴끼 산교 가부시키가이샤 반도체웨이퍼의 세정방법
JP4041110B2 (ja) * 2004-09-29 2008-01-30 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
JP4560789B2 (ja) * 2005-06-14 2010-10-13 富士電機デバイステクノロジー株式会社 磁気ディスク基板の研磨方法
JP5177087B2 (ja) * 2009-07-09 2013-04-03 旭硝子株式会社 情報記録媒体用ガラス基板及びその製造方法、磁気記録媒体
SG176883A1 (en) * 2010-03-31 2012-01-30 Hoya Corp Method for producing glass substrate for magnetic disk

Also Published As

Publication number Publication date
WO2014002825A1 (ja) 2014-01-03
MY181624A (en) 2020-12-29
JP6267115B2 (ja) 2018-01-24
CN104395959A (zh) 2015-03-04
JPWO2014002825A1 (ja) 2016-05-30
CN104395959B (zh) 2017-12-01

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