JP6131154B2 - 磁気記録媒体基板用ガラスおよび磁気記録媒体基板 - Google Patents

磁気記録媒体基板用ガラスおよび磁気記録媒体基板 Download PDF

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Publication number
JP6131154B2
JP6131154B2 JP2013188315A JP2013188315A JP6131154B2 JP 6131154 B2 JP6131154 B2 JP 6131154B2 JP 2013188315 A JP2013188315 A JP 2013188315A JP 2013188315 A JP2013188315 A JP 2013188315A JP 6131154 B2 JP6131154 B2 JP 6131154B2
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Japan
Prior art keywords
glass
magnetic recording
recording medium
content
mgo
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JP2013188315A
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English (en)
Japanese (ja)
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JP2015054794A5 (https=
JP2015054794A (ja
Inventor
勝治 下嶋
勝治 下嶋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoya Corp
Original Assignee
Hoya Corp
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Filing date
Publication date
Priority to JP2013188315A priority Critical patent/JP6131154B2/ja
Application filed by Hoya Corp filed Critical Hoya Corp
Priority to US15/021,204 priority patent/US20160225396A1/en
Priority to PCT/JP2014/073911 priority patent/WO2015037609A1/ja
Priority to MYPI2016700847A priority patent/MY176222A/en
Priority to CN201480049661.1A priority patent/CN105518779A/zh
Priority to SG11201601861WA priority patent/SG11201601861WA/en
Publication of JP2015054794A publication Critical patent/JP2015054794A/ja
Publication of JP2015054794A5 publication Critical patent/JP2015054794A5/ja
Application granted granted Critical
Publication of JP6131154B2 publication Critical patent/JP6131154B2/ja
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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
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • 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
    • C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
    • C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
    • 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
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
    • 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)
JP2013188315A 2013-09-11 2013-09-11 磁気記録媒体基板用ガラスおよび磁気記録媒体基板 Active JP6131154B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2013188315A JP6131154B2 (ja) 2013-09-11 2013-09-11 磁気記録媒体基板用ガラスおよび磁気記録媒体基板
PCT/JP2014/073911 WO2015037609A1 (ja) 2013-09-11 2014-09-10 磁気記録媒体基板用ガラスおよび磁気記録媒体基板
MYPI2016700847A MY176222A (en) 2013-09-11 2014-09-10 Glass for magnetic recording medium substrate and magnetic recording medium substrate
CN201480049661.1A CN105518779A (zh) 2013-09-11 2014-09-10 磁记录介质基板用玻璃及磁记录介质基板
US15/021,204 US20160225396A1 (en) 2013-09-11 2014-09-10 Glass for magnetic recording medium substrate and magnetic recording medium substrate
SG11201601861WA SG11201601861WA (en) 2013-09-11 2014-09-10 Glass for magnetic recording medium substrate and magnetic recording medium substrate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013188315A JP6131154B2 (ja) 2013-09-11 2013-09-11 磁気記録媒体基板用ガラスおよび磁気記録媒体基板

Publications (3)

Publication Number Publication Date
JP2015054794A JP2015054794A (ja) 2015-03-23
JP2015054794A5 JP2015054794A5 (https=) 2016-07-07
JP6131154B2 true JP6131154B2 (ja) 2017-05-17

Family

ID=52665711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013188315A Active JP6131154B2 (ja) 2013-09-11 2013-09-11 磁気記録媒体基板用ガラスおよび磁気記録媒体基板

Country Status (6)

Country Link
US (1) US20160225396A1 (https=)
JP (1) JP6131154B2 (https=)
CN (1) CN105518779A (https=)
MY (1) MY176222A (https=)
SG (1) SG11201601861WA (https=)
WO (1) WO2015037609A1 (https=)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6670462B2 (ja) * 2015-12-04 2020-03-25 日本電気硝子株式会社 強化ガラス
JP7103219B2 (ja) * 2016-05-27 2022-07-20 Ａｇｃ株式会社 磁気記録媒体用ガラス、磁気記録媒体用ガラス基板および磁気ディスク
US10427972B2 (en) * 2016-07-21 2019-10-01 Corning Incorporated Transparent silicate glasses with high fracture toughness
SG10202102247RA (en) 2016-11-14 2021-04-29 Hoya Corp Glass for magnetic recording medium substrate, magnetic recording medium substrate, magnetic recording medium and glass spacer for magnetic recording and reproducing apparatus
KR101911621B1 (ko) 2017-02-27 2018-10-24 주식회사 엘지화학 접합 유리 및 접합 유리의 제조 방법
JP2020534238A (ja) * 2017-09-21 2020-11-26 コーニング インコーポレイテッド 高い破壊靭性を有する透明でイオン交換可能なケイ酸塩ガラス
US11358898B2 (en) * 2017-10-20 2022-06-14 Corning Incorporated Methods to improve ion exchange efficiency of glasses and glass ceramics
NL2020896B1 (en) 2018-05-08 2019-11-14 Corning Inc Water-containing glass-based articles with high indentation cracking threshold
CN111132942A (zh) * 2017-12-26 2020-05-08 日本电气硝子株式会社 盖玻璃
JP7303482B2 (ja) * 2017-12-26 2023-07-05 日本電気硝子株式会社 カバーガラス
KR102584366B1 (ko) * 2018-02-12 2023-10-04 삼성디스플레이 주식회사 유리 제품 및 그 제조 방법
MY204452A (en) * 2018-05-16 2024-08-29 Hoya Corp Glass for magnetic recording medium substrate, magnetic recording medium substrate, magnetic recording medium, glass spacer for magnetic recording and reproducing apparatus, and magnetic recording and reproducing apparatus
US11339088B2 (en) * 2018-06-08 2022-05-24 Corning Incorporated Fracture resistant stress profiles in glasses
MY208527A (en) 2018-08-07 2025-05-14 Hoya Corp Substrate for magnetic disk and magnetic disk
TWI891613B (zh) 2018-11-16 2025-08-01 美商康寧公司 用於透過蒸氣處理而強化之玻璃成分及方法
JP7445186B2 (ja) * 2018-12-07 2024-03-07 日本電気硝子株式会社 ガラス
US12122711B2 (en) 2019-05-16 2024-10-22 Corning Incorporated Steam strengthenable glass compositions with low phosphorous content
CN117361875A (zh) 2019-05-16 2024-01-09 康宁股份有限公司 具有蒸汽处理雾度抗性的玻璃组合物及其方法
US12404204B2 (en) 2019-05-16 2025-09-02 Corning Incorporated Glasses with modified young's modulus profile
WO2020247232A1 (en) * 2019-06-03 2020-12-10 Corning Incorporated Alkali metal-containing display glasses
CN120441191A (zh) * 2019-07-22 2025-08-08 Hoya株式会社 玻璃、磁记录介质基板、磁记录介质、磁记录再生装置用玻璃间隔物和磁记录再生装置
US11613497B2 (en) * 2019-11-27 2023-03-28 Corning Incorporated Y2O3-containing glass compositions, substrates, and articles
MY208742A (en) * 2019-12-13 2025-05-27 Hoya Corp Glass for magnetic recording medium substrate or for glass spacer to be used in magnetic recording/reproducing device, magnetic recording medium substrate, magnetic recording medium, glass spacer to be used in magnetic recording/reproducing device, and magnetic recording/reproducing device
US12122714B2 (en) 2020-12-10 2024-10-22 Corning Incorporated Glass with unique fracture behavior for vehicle windshield
US11951713B2 (en) 2020-12-10 2024-04-09 Corning Incorporated Glass with unique fracture behavior for vehicle windshield
WO2024053056A1 (ja) * 2022-09-08 2024-03-14 Hoya株式会社 磁気記録媒体基板用または磁気記録再生装置用ガラススペーサ用のガラス、磁気記録媒体基板、磁気記録媒体、磁気記録再生装置用ガラススペーサおよび磁気記録再生装置
CN118184398A (zh) * 2024-05-17 2024-06-14 合肥商德应用材料有限公司 一种提高氧化铝陶瓷强度的处理方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61101433A (ja) * 1984-10-20 1986-05-20 Nippon Sheet Glass Co Ltd 化学強化用ガラス組成物
US5972460A (en) * 1996-12-26 1999-10-26 Hoya Corporation Information recording medium
JP3412804B2 (ja) * 1996-12-26 2003-06-03 Ｈｏｙａ株式会社 情報記録媒体用基板
JP2000313634A (ja) * 1999-02-25 2000-11-14 Nippon Sheet Glass Co Ltd ガラス組成物およびその製造方法、ならびにそれを用いた情報記録媒体用基板、情報記録媒体および情報記録装置
JP4017466B2 (ja) * 2001-12-04 2007-12-05 岡本硝子株式会社 耐熱性ガラス
US8119267B2 (en) * 2007-09-28 2012-02-21 Hoya Corporation Glass substrate for magnetic disk and manufacturing method of the same
US8652660B2 (en) * 2010-12-21 2014-02-18 Hoya Corporation Glass substrate for magnetic recording medium and its use
JP5896338B2 (ja) * 2011-01-18 2016-03-30 日本電気硝子株式会社 強化用ガラスの製造方法及び強化ガラス板の製造方法
US8885447B2 (en) * 2012-03-29 2014-11-11 Hoya Corporation Glass for magnetic recording medium substrate, glass substrate for magnetic recording medium, and their use
CN104246883B (zh) * 2012-03-29 2018-10-23 Hoya株式会社 磁记录介质基板用玻璃、磁记录介质用玻璃基板及其利用
US8824248B2 (en) * 2012-05-16 2014-09-02 Hoya Corporation Glass for magnetic recording medium substrate and usage thereof

Also Published As

Publication number Publication date
SG11201601861WA (en) 2016-04-28
US20160225396A1 (en) 2016-08-04
JP2015054794A (ja) 2015-03-23
WO2015037609A1 (ja) 2015-03-19
CN105518779A (zh) 2016-04-20
MY176222A (en) 2020-07-24

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