SG72930A1 - Glass-ceramic substrate for an information storage medium - Google Patents

Glass-ceramic substrate for an information storage medium

Info

Publication number
SG72930A1
SG72930A1 SG1999001057A SG1999001057A SG72930A1 SG 72930 A1 SG72930 A1 SG 72930A1 SG 1999001057 A SG1999001057 A SG 1999001057A SG 1999001057 A SG1999001057 A SG 1999001057A SG 72930 A1 SG72930 A1 SG 72930A1
Authority
SG
Singapore
Prior art keywords
glass
storage medium
information storage
ceramic substrate
ceramic
Prior art date
Application number
SG1999001057A
Other languages
English (en)
Inventor
Naoyuki Goto
Junko Ishioka
Yasuyuki Kawashima
Original Assignee
Ohara Kk
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 Ohara Kk filed Critical Ohara Kk
Publication of SG72930A1 publication Critical patent/SG72930A1/en

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/64Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/66Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C10/00Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0018Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents
    • C03C10/0027Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents containing SiO2, Al2O3, Li2O as main constituents
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/73Base 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
    • G11B5/739Magnetic recording media substrates
    • G11B5/73911Inorganic substrates
    • G11B5/73921Glass or ceramic substrates
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/74Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82Disk carriers
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2510/00Genetically modified cells
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2517/00Cells related to new breeds of animals
    • C12N2517/04Cells produced using nuclear transfer
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/90Magnetic feature

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Magnetic Record Carriers (AREA)
  • Surface Treatment Of Glass (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
SG1999001057A 1998-03-23 1999-03-03 Glass-ceramic substrate for an information storage medium SG72930A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP9402098 1998-03-23
JP12531698 1998-04-20
JP35168298 1998-12-10

Publications (1)

Publication Number Publication Date
SG72930A1 true SG72930A1 (en) 2000-05-23

Family

ID=27307457

Family Applications (2)

Application Number Title Priority Date Filing Date
SG1999001057A SG72930A1 (en) 1998-03-23 1999-03-03 Glass-ceramic substrate for an information storage medium
SG1999001208A SG72933A1 (en) 1998-03-23 1999-03-22 Glass-ceramic substrate for an information storage medium

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG1999001208A SG72933A1 (en) 1998-03-23 1999-03-22 Glass-ceramic substrate for an information storage medium

Country Status (9)

Country Link
US (2) US6383645B1 (ja)
EP (2) EP0945855B1 (ja)
JP (1) JP4462724B2 (ja)
KR (2) KR100329004B1 (ja)
CN (2) CN1196114C (ja)
DE (2) DE69934625T2 (ja)
MY (2) MY126492A (ja)
SG (2) SG72930A1 (ja)
TW (2) TW584612B (ja)

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US6395368B1 (en) 1998-08-10 2002-05-28 Kabushiki Kaisha Ohara Glass-ceramic substrate for a magnetic information storage medium
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JP4831854B2 (ja) * 1999-07-06 2011-12-07 コニカミノルタオプト株式会社 結晶化ガラス組成物
JP4849702B2 (ja) * 1999-07-06 2012-01-11 コニカミノルタオプト株式会社 結晶化ガラス
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JP3399883B2 (ja) * 1999-08-30 2003-04-21 株式会社オハラ 光フィルター用ガラス及び光フィルター
AU7316500A (en) 1999-09-21 2001-04-24 Kabushiki Kaisha Ohara Holding member for information storage disk and information storage disk drive device
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DE102007011337A1 (de) * 2007-03-06 2008-09-11 Hermsdorfer Institut Für Technische Keramik E.V. Verblendkeramik für dentale Restaurationen aus yttriumstabilisiertem Zirkoniumdioxid und Verfahren zur Verblendung von dentalen Restaurationen aus yttriumstabilisiertem Zirkoniumdioxid
JP5070006B2 (ja) * 2007-11-02 2012-11-07 株式会社オハラ 結晶化ガラス
JP5053948B2 (ja) * 2007-12-21 2012-10-24 株式会社オハラ 結晶化ガラス
WO2009119829A1 (ja) * 2008-03-28 2009-10-01 昭和電工株式会社 垂直磁気記録媒体、垂直磁気記録媒体の製造方法、および磁気記録再生装置
JP4691135B2 (ja) * 2008-05-23 2011-06-01 株式会社オハラ 情報記録媒体用ガラス基板
JP4559523B2 (ja) * 2009-02-24 2010-10-06 株式会社オハラ 情報記録媒体用ガラス基板およびその製造方法
JP4815002B2 (ja) 2009-06-04 2011-11-16 株式会社オハラ 情報記録媒体用結晶化ガラス基板およびその製造方法
JP2011040144A (ja) * 2009-07-17 2011-02-24 Ohara Inc 情報記録媒体用基板の製造方法
US8865606B2 (en) 2010-04-16 2014-10-21 Ivoclar Vivadent Ag Process for the preparation of dental restorations
EP2377830B1 (de) 2010-04-16 2016-04-13 Ivoclar Vivadent AG Lithiumsilikat-Glaskeramik und -Glas mit Übergangsmetalloxid
US9878944B1 (en) * 2015-08-25 2018-01-30 National Technology & Engineering Solutions Of Sandia, Llc Engineered high expansion glass-ceramics having near linear thermal strain and methods thereof
US8883663B2 (en) 2010-11-30 2014-11-11 Corning Incorporated Fusion formed and ion exchanged glass-ceramics
EP2699521B1 (en) * 2011-04-20 2017-10-18 Straumann Holding AG Process for preparing a glass-ceramic body
ES2568249T3 (es) 2011-10-14 2016-04-28 Ivoclar Vivadent Ag Vitrocerámica y vidrio de silicato de litio con óxido metálico divalente
ES2562338T3 (es) 2011-10-14 2016-03-03 Ivoclar Vivadent Ag Vitrocerámica y vidrio de silicato de litio con óxido metálico monovalente
WO2013053868A2 (de) * 2011-10-14 2013-04-18 Ivoclar Vivadent Ag Lithiumsilikat-glaskeramik und -glas mit sechswertigem metalloxid
MX351162B (es) 2011-10-14 2017-10-04 Ivoclar Vivadent Ag Vidrio y cerámica de vidrio de silicato de litio con óxido de metal trivalente.
CN108996911A (zh) 2011-10-14 2018-12-14 义获嘉伟瓦登特公司 包含四价金属氧化物的硅酸锂玻璃陶瓷和硅酸锂玻璃
RU2648447C2 (ru) 2011-10-14 2018-03-26 Ивоклар Вивадент Аг Литиево-силикатные стеклокерамика и стекло с оксидом пятивалентного металла
EP2844213B1 (de) 2012-05-04 2019-12-04 Ivoclar Vivadent AG Lithiumdisilikat-apatit-glaskeramik
ES2687653T3 (es) 2012-05-11 2018-10-26 Ivoclar Vivadent Ag Pieza en bruto presinterizada para fines dentales
US9757217B2 (en) 2012-05-11 2017-09-12 Ivoclar Vivadent Ag Pre-sintered blank for dental purposes
EP2765119B1 (de) 2013-02-12 2021-07-28 Ivoclar Vivadent AG Rohling für dentale Zwecke
EP2792649B1 (de) 2013-04-15 2019-11-27 Ivoclar Vivadent AG Lithiumsilikat-Glaskeramik und -Glas mit Gehalt an Rubidiumoxid
EP2944619B1 (de) 2014-05-13 2023-08-09 Ivoclar Vivadent AG Verfahren zur Herstellung von Lithiumsilikatgläsern und Lithiumsilikat-Glaskeramiken
US10377661B2 (en) 2014-05-16 2019-08-13 Ivoclar Vivadent Ag Glass ceramic with SiO2 as the main crystalline phase
ES2840674T3 (es) 2014-10-08 2021-07-07 Corning Inc Vitrocerámicas de alta resistencia que tienen estructuras de petalita y silicato de litio
EP3050856B1 (de) 2015-01-30 2019-05-29 Ivoclar Vivadent AG Lithiumsilikat-Diopsid-Glaskeramik
DE102016119108A1 (de) * 2016-10-07 2018-04-12 Degudent Gmbh Lithiumsilikat-Glaskeramik
JP7004234B2 (ja) * 2017-05-30 2022-01-21 日本電気硝子株式会社 支持結晶化ガラス基板の製造方法
US10544058B1 (en) 2017-06-01 2020-01-28 National Technology & Engineering Solutions Of Sandia, Llc High thermal expansion glass composites and uses thereof
US10723649B2 (en) * 2017-11-30 2020-07-28 Corning Incorporated Black lithium silicate glass ceramics
CN112608032B (zh) * 2018-10-26 2022-04-22 成都光明光电股份有限公司 微晶玻璃、微晶玻璃制品及其制造方法
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CN116096688A (zh) * 2020-09-04 2023-05-09 株式会社小原 无机组成物产品
CN113831020A (zh) * 2021-01-28 2021-12-24 成都光明光电股份有限公司 微晶玻璃、微晶玻璃制品及其制造方法
CN112919810B (zh) * 2021-03-23 2022-02-18 成都光明光电股份有限公司 玻璃陶瓷、玻璃陶瓷制品及其制造方法
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Also Published As

Publication number Publication date
DE69934625D1 (de) 2007-02-15
TW565538B (en) 2003-12-11
US6383645B1 (en) 2002-05-07
EP0945856A3 (en) 1999-10-13
CN1196114C (zh) 2005-04-06
JP2001019490A (ja) 2001-01-23
DE69936164D1 (de) 2007-07-12
EP0945855A3 (en) 1999-10-13
KR100329004B1 (ko) 2002-03-20
EP0945855A2 (en) 1999-09-29
US6174827B1 (en) 2001-01-16
CN1100732C (zh) 2003-02-05
EP0945856A2 (en) 1999-09-29
US20020031670A1 (en) 2002-03-14
TW584612B (en) 2004-04-21
JP4462724B2 (ja) 2010-05-12
KR19990078120A (ko) 1999-10-25
KR19990078112A (ko) 1999-10-25
MY126492A (en) 2006-10-31
EP0945856B1 (en) 2007-05-30
CN1237545A (zh) 1999-12-08
SG72933A1 (en) 2000-05-23
DE69936164T2 (de) 2008-01-17
MY129707A (en) 2007-04-30
CN1229975A (zh) 1999-09-29
KR100329003B1 (ko) 2002-03-20
EP0945855B1 (en) 2007-01-03
DE69934625T2 (de) 2007-10-25

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