JP5396859B2 - 情報記録媒体基板用ガラス - Google Patents

情報記録媒体基板用ガラス Download PDF

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Publication number
JP5396859B2
JP5396859B2 JP2008545441A JP2008545441A JP5396859B2 JP 5396859 B2 JP5396859 B2 JP 5396859B2 JP 2008545441 A JP2008545441 A JP 2008545441A JP 2008545441 A JP2008545441 A JP 2008545441A JP 5396859 B2 JP5396859 B2 JP 5396859B2
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JP
Japan
Prior art keywords
glass
less
recording medium
information recording
content
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
JP2008545441A
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English (en)
Japanese (ja)
Other versions
JPWO2008062847A1 (ja
Inventor
哲也 中島
研輔 永井
敬 前田
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.)
AGC Inc
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
Priority to JP2008545441A priority Critical patent/JP5396859B2/ja
Publication of JPWO2008062847A1 publication Critical patent/JPWO2008062847A1/ja
Application granted granted Critical
Publication of JP5396859B2 publication Critical patent/JP5396859B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Magnetic Record Carriers (AREA)
JP2008545441A 2006-11-22 2007-11-21 情報記録媒体基板用ガラス Expired - Fee Related JP5396859B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008545441A JP5396859B2 (ja) 2006-11-22 2007-11-21 情報記録媒体基板用ガラス

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2006315122 2006-11-22
JP2006315122 2006-11-22
PCT/JP2007/072590 WO2008062847A1 (fr) 2006-11-22 2007-11-21 Verre pour substrat support d'enregistrement d'informations
JP2008545441A JP5396859B2 (ja) 2006-11-22 2007-11-21 情報記録媒体基板用ガラス

Publications (2)

Publication Number Publication Date
JPWO2008062847A1 JPWO2008062847A1 (ja) 2010-03-04
JP5396859B2 true JP5396859B2 (ja) 2014-01-22

Family

ID=39429778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008545441A Expired - Fee Related JP5396859B2 (ja) 2006-11-22 2007-11-21 情報記録媒体基板用ガラス

Country Status (4)

Country Link
JP (1) JP5396859B2 (zh)
CN (1) CN101541696A (zh)
MY (1) MY157935A (zh)
WO (1) WO2008062847A1 (zh)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN101622205B (zh) 2008-01-28 2012-09-26 旭硝子株式会社 数据存储介质基板用玻璃、数据存储介质用玻璃基板及磁盘
DE202009018723U1 (de) 2008-02-26 2012-11-20 Corning Inc. Läutermittel für Silikatgläser
JP5614607B2 (ja) * 2008-08-04 2014-10-29 日本電気硝子株式会社 強化ガラスおよびその製造方法
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
JP5904239B2 (ja) * 2009-04-02 2016-04-13 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
WO2011019010A1 (ja) * 2009-08-10 2011-02-17 Hoya株式会社 磁気記録媒体基板用ガラス、磁気記録媒体基板およびその製造方法、ならびに磁気記録媒体
WO2012043482A1 (ja) 2010-09-27 2012-04-05 旭硝子株式会社 化学強化用ガラス、化学強化ガラスおよびディスプレイ装置用ガラス板
AR083739A1 (es) * 2010-10-27 2013-03-20 Asahi Glass Co Ltd Placa de vidrio y proceso para su produccion
US8394516B2 (en) 2010-10-29 2013-03-12 Hoya Corporation Glass substrate for magnetic recording medium and magnetic recording medium
JPWO2013047246A1 (ja) * 2011-09-30 2015-03-26 旭硝子株式会社 ＣｄＴｅ太陽電池用ガラス基板およびそれを用いた太陽電池
EP2771293B1 (en) 2011-10-25 2019-01-16 Corning Incorporated Alkaline earth alumino-silicate glass compositions with improved chemical and mechanical durability
CA2966451C (en) 2011-10-25 2020-06-02 Corning Incorporated Glass compositions with improved chemical and mechanical durability
WO2013172247A1 (ja) * 2012-05-16 2013-11-21 Hoya株式会社 磁気記録媒体基板用ガラスおよびその利用
US10273048B2 (en) 2012-06-07 2019-04-30 Corning Incorporated Delamination resistant glass containers with heat-tolerant coatings
WO2014148020A1 (ja) * 2013-03-22 2014-09-25 日本板硝子株式会社 ガラス組成物、化学強化用ガラス組成物、強化ガラス物品、およびディスプレイ用のカバーガラス

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1072238A (ja) * 1996-04-26 1998-03-17 Carl Zeiss:Fa 化学強化可能なアルミノケイ酸塩ガラス及びその使用
JPH11191212A (ja) * 1997-12-25 1999-07-13 Toshitomo Morisane 高強度スムーズガラス基板
JP2001294441A (ja) * 2000-04-11 2001-10-23 Asahi Glass Co Ltd 基板用ガラス

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001348246A (ja) * 2000-06-01 2001-12-18 Asahi Glass Co Ltd 基板用ガラスおよびガラス基板
JP4572453B2 (ja) * 2000-07-19 2010-11-04 旭硝子株式会社 情報記録媒体基板用ガラスおよび情報記録媒体用ガラス基板

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1072238A (ja) * 1996-04-26 1998-03-17 Carl Zeiss:Fa 化学強化可能なアルミノケイ酸塩ガラス及びその使用
JPH11191212A (ja) * 1997-12-25 1999-07-13 Toshitomo Morisane 高強度スムーズガラス基板
JP2001294441A (ja) * 2000-04-11 2001-10-23 Asahi Glass Co Ltd 基板用ガラス

Also Published As

Publication number Publication date
MY157935A (en) 2016-08-15
CN101541696A (zh) 2009-09-23
JPWO2008062847A1 (ja) 2010-03-04
WO2008062847A1 (fr) 2008-05-29

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