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

    • 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
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
    • 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
    • C03C10/00—Devitrified 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
    • C03C10/0018—Devitrified 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
    • C03C10/0027—Devitrified 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2510/00—Genetically modified cells
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2517/00—Cells related to new breeds of animals
    • C12N2517/04—Cells produced using nuclear transfer
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (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)
  • 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 (fr)
EP (2) EP0945855B1 (fr)
JP (1) JP4462724B2 (fr)
KR (2) KR100329003B1 (fr)
CN (2) CN1196114C (fr)
DE (2) DE69934625T2 (fr)
MY (2) MY126492A (fr)
SG (2) SG72930A1 (fr)
TW (2) TW584612B (fr)

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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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US9402699B2 (en) 2011-10-14 2016-08-02 Ivoclar Vivadent Ag Lithium silicate glass ceramic and lithium silicate glass comprising a trivalent metal oxide
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JP6340362B2 (ja) 2012-05-11 2018-06-06 イフォクレール ヴィヴァデント アクチェンゲゼルシャフトＩｖｏｃｌａｒ Ｖｉｖａｄｅｎｔ ＡＧ 歯科目的のための予備焼結ブランク
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EP2765119B1 (fr) 2013-02-12 2021-07-28 Ivoclar Vivadent AG Ébauche à des fins dentaires
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US10377661B2 (en) 2014-05-16 2019-08-13 Ivoclar Vivadent Ag Glass ceramic with SiO2 as the main crystalline phase
TWI861872B (zh) 2014-10-08 2024-11-11 美商康寧公司 具有葉長石及矽酸鋰結構的高強度玻璃陶瓷
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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
CN111099828B (zh) * 2018-10-26 2021-03-09 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
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
US20230312402A1 (en) * 2020-09-04 2023-10-05 Ohara Inc. Crystallized glass and reinforced crystallized glass
KR20230061384A (ko) * 2020-09-04 2023-05-08 가부시키가이샤 오하라 무기 조성물 물품
CN113716873A (zh) * 2021-01-28 2021-11-30 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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CN118215642A (zh) * 2021-11-26 2024-06-18 株式会社小原 无机组成物产品
JP2024045871A (ja) * 2022-09-22 2024-04-03 株式会社オハラ 結晶化ガラス

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Also Published As

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

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