SG171527A1 - Glass substrate for information recording medium and magnetic disk - Google Patents

Glass substrate for information recording medium and magnetic disk

Info

Publication number
SG171527A1
SG171527A1 SG201007829-3A SG2010078293A SG171527A1 SG 171527 A1 SG171527 A1 SG 171527A1 SG 2010078293 A SG2010078293 A SG 2010078293A SG 171527 A1 SG171527 A1 SG 171527A1
Authority
SG
Singapore
Prior art keywords
recording medium
information recording
glass substrate
magnetic disk
glass
Prior art date
Application number
SG201007829-3A
Other languages
English (en)
Inventor
Jun Endo
Tetsuya Nakashima
Original Assignee
Asahi Glass Co 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 Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Publication of SG171527A1 publication Critical patent/SG171527A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
SG201007829-3A 2009-11-20 2010-10-25 Glass substrate for information recording medium and magnetic disk SG171527A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009265079A JP5267436B2 (ja) 2009-11-20 2009-11-20 情報記録媒体用ガラス基板および磁気ディスク

Publications (1)

Publication Number Publication Date
SG171527A1 true SG171527A1 (en) 2011-06-29

Family

ID=44062306

Family Applications (1)

Application Number Title Priority Date Filing Date
SG201007829-3A SG171527A1 (en) 2009-11-20 2010-10-25 Glass substrate for information recording medium and magnetic disk

Country Status (4)

Country Link
US (1) US8349476B2 (ja)
JP (1) JP5267436B2 (ja)
MY (1) MY151552A (ja)
SG (1) SG171527A1 (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5720499B2 (ja) 2010-10-26 2015-05-20 旭硝子株式会社 基板用ガラスおよびガラス基板
JP5168387B2 (ja) * 2011-06-08 2013-03-21 旭硝子株式会社 磁気記録媒体用ガラス基板の製造方法
US11097974B2 (en) 2014-07-31 2021-08-24 Corning Incorporated Thermally strengthened consumer electronic glass and related systems and methods
AU2015296243A1 (en) 2014-07-31 2017-03-09 Corning Incorporated Thermally tempered glass and methods and apparatuses for thermal tempering of glass
US10611664B2 (en) 2014-07-31 2020-04-07 Corning Incorporated Thermally strengthened architectural glass and related systems and methods
CN108698922B (zh) 2016-01-12 2020-02-28 康宁股份有限公司 薄的热强化和化学强化的玻璃基制品
US11795102B2 (en) 2016-01-26 2023-10-24 Corning Incorporated Non-contact coated glass and related coating system and method
US11485673B2 (en) 2017-08-24 2022-11-01 Corning Incorporated Glasses with improved tempering capabilities
JPWO2019082616A1 (ja) 2017-10-25 2020-11-19 Ａｇｃ株式会社 光学ガラス、光学部材およびウェアラブル機器
TWI785156B (zh) 2017-11-30 2022-12-01 美商康寧公司 具有高熱膨脹係數及對於熱回火之優先破裂行為的非離子交換玻璃
CN114514115B (zh) 2019-08-06 2023-09-01 康宁股份有限公司 具有用于阻止裂纹的埋入式应力尖峰的玻璃层压体及其制造方法
TW202146349A (zh) * 2020-03-25 2021-12-16 日商安瀚視特控股股份有限公司 覆蓋玻璃

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2837005B2 (ja) 1991-05-20 1998-12-14 ホーヤ株式会社 化学強化用ガラス
JP3875748B2 (ja) 1996-08-02 2007-01-31 Ｈｏｙａ株式会社 ガラス板の製造方法及び製造装置
JP2002338283A (ja) * 2001-05-21 2002-11-27 Nippon Sheet Glass Co Ltd ガラス基板の製造方法及び該製造方法により製造されたガラス基板
JP3995902B2 (ja) * 2001-05-31 2007-10-24 Ｈｏｙａ株式会社 情報記録媒体用ガラス基板及びそれを用いた磁気情報記録媒体
JP4453234B2 (ja) * 2001-08-29 2010-04-21 コニカミノルタオプト株式会社 ハードディスク用ガラス基板およびその製造方法
US6917740B2 (en) * 2003-05-30 2005-07-12 Corning Incorporated Optical fiber having reduced viscosity mismatch
JP4923556B2 (ja) 2005-12-16 2012-04-25 日本電気硝子株式会社 情報記録媒体用ガラス基板
US7833919B2 (en) * 2006-02-10 2010-11-16 Corning Incorporated Glass compositions having high thermal and chemical stability and methods of making thereof
JP4930838B2 (ja) * 2006-05-15 2012-05-16 富士電機株式会社 情報記録媒体用ガラス基板および情報記録媒体
JP2008171472A (ja) * 2007-01-09 2008-07-24 Fuji Electric Device Technology Co Ltd 情報記録媒体用ガラス基板の製造方法、磁気記録ディスクの製造方法および磁気記録ディスク
US8329218B2 (en) * 2007-03-01 2012-12-11 Wisconsin Alumni Research Foundation Unusually stable glasses and methods for forming same
JP4556962B2 (ja) * 2007-03-14 2010-10-06 コニカミノルタオプト株式会社 ブランク材の残留応力を低減する方法、ブランク材及び情報記録媒体用ガラス基板の製造方法
CN102442776A (zh) 2007-03-23 2012-05-09 旭硝子株式会社 数据存储介质用基板玻璃及玻璃基板
JP5206261B2 (ja) * 2007-10-26 2013-06-12 旭硝子株式会社 情報記録媒体基板用ガラス、磁気ディスク用ガラス基板および磁気ディスク
JP5327702B2 (ja) * 2008-01-21 2013-10-30 日本電気硝子株式会社 ガラス基板の製造方法
JP5699434B2 (ja) 2009-04-02 2015-04-08 旭硝子株式会社 情報記録媒体基板用ガラス、情報記録媒体用ガラス基板および磁気ディスク

Also Published As

Publication number Publication date
US20110123833A1 (en) 2011-05-26
US8349476B2 (en) 2013-01-08
JP2011108344A (ja) 2011-06-02
JP5267436B2 (ja) 2013-08-21
MY151552A (en) 2014-06-13

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