WO2008117758A1 - データ記憶媒体用基板ガラスおよびガラス基板 - Google Patents
データ記憶媒体用基板ガラスおよびガラス基板 Download PDFInfo
- Publication number
- WO2008117758A1 WO2008117758A1 PCT/JP2008/055307 JP2008055307W WO2008117758A1 WO 2008117758 A1 WO2008117758 A1 WO 2008117758A1 JP 2008055307 W JP2008055307 W JP 2008055307W WO 2008117758 A1 WO2008117758 A1 WO 2008117758A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mass
- glass
- substrate
- storage medium
- data storage
- Prior art date
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
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
- G11B7/2531—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising glass
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
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)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009506324A JP5263152B2 (ja) | 2007-03-23 | 2008-03-21 | データ記憶媒体用基板ガラスおよびガラス基板 |
US12/477,285 US7803472B2 (en) | 2007-03-23 | 2009-06-03 | Substrate glass for data storage medium and glass substrate |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007077020 | 2007-03-23 | ||
JP2007-077020 | 2007-03-23 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/477,285 Continuation US7803472B2 (en) | 2007-03-23 | 2009-06-03 | Substrate glass for data storage medium and glass substrate |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008117758A1 true WO2008117758A1 (ja) | 2008-10-02 |
Family
ID=39788493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/055307 WO2008117758A1 (ja) | 2007-03-23 | 2008-03-21 | データ記憶媒体用基板ガラスおよびガラス基板 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7803472B2 (ja) |
JP (1) | JP5263152B2 (ja) |
CN (3) | CN102320742A (ja) |
MY (1) | MY146997A (ja) |
WO (1) | WO2008117758A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012254918A (ja) * | 2011-05-18 | 2012-12-27 | Nippon Electric Glass Co Ltd | 高屈折率ガラス |
US8349476B2 (en) | 2009-11-20 | 2013-01-08 | Asahi Glass Company, Limited | Glass substrate for information recording medium and magnetic disk |
US8402790B2 (en) | 2009-11-24 | 2013-03-26 | Asahi Glass Company, Limited | Process for producing glass substrate for information recording medium |
JP2016117649A (ja) * | 2009-04-02 | 2016-06-30 | 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 |
US9688573B2 (en) | 2013-06-20 | 2017-06-27 | Nippon Sheet Glass Company, Limited | Glass composition, chemically strengthened glass, and glass substrate for information recording medium |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101835718B (zh) * | 2007-10-25 | 2013-11-06 | 旭硝子株式会社 | 基板用玻璃组合物及其制造方法 |
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 |
JP5392096B2 (ja) * | 2008-02-27 | 2014-01-22 | 旭硝子株式会社 | 基板用ガラス組成物 |
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 |
US8806895B2 (en) * | 2010-12-09 | 2014-08-19 | Hoya Corporation | Manufacturing method for a glass substrate for magnetic disk |
JP2012160252A (ja) | 2011-01-31 | 2012-08-23 | Hoya Corp | 磁気ディスク用ガラス基板の製造方法 |
JP5981841B2 (ja) * | 2012-12-27 | 2016-08-31 | 株式会社神戸製鋼所 | 磁気記録媒体用アルミニウム基板の製造方法 |
WO2019021911A1 (ja) * | 2017-07-26 | 2019-01-31 | Agc株式会社 | 半導体パッケージ用支持ガラス |
US11951713B2 (en) | 2020-12-10 | 2024-04-09 | Corning Incorporated | Glass with unique fracture behavior for vehicle windshield |
CN116745243A (zh) * | 2020-12-23 | 2023-09-12 | Agc株式会社 | 玻璃基板和玻璃基板的制造方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000351649A (ja) * | 1999-06-08 | 2000-12-19 | Asahi Glass Co Ltd | 基板用ガラスおよびガラス基板 |
JP2001058843A (ja) * | 1999-06-08 | 2001-03-06 | Asahi Glass Co Ltd | 基板用ガラスおよびガラス基板 |
JP2001172043A (ja) * | 1999-12-20 | 2001-06-26 | Asahi Glass Co Ltd | 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 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5599754A (en) | 1994-10-14 | 1997-02-04 | Asahi Glass Company Ltd. | Glass composition for a substrate, and substrate for plasma display made thereof |
JPH1025129A (ja) * | 1996-07-12 | 1998-01-27 | Nippon Electric Glass Co Ltd | 基板用ガラス |
JP3989988B2 (ja) * | 1996-09-04 | 2007-10-10 | Hoya株式会社 | 情報記録媒体用基板及び磁気ディスク、並びにその製造方法 |
US6313052B1 (en) | 1998-02-27 | 2001-11-06 | Asahi Glass Company Ltd. | Glass for a substrate |
TW565539B (en) | 1998-08-11 | 2003-12-11 | Asahi Glass Co Ltd | Glass for a substrate |
US6387510B1 (en) | 1999-04-13 | 2002-05-14 | Asahi Glass Company, Limited | Glass for a data storage medium substrate and glass substrate for data storage media |
JP2001134925A (ja) | 1999-08-25 | 2001-05-18 | Asahi Glass Co Ltd | 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 |
JP2001294441A (ja) | 2000-04-11 | 2001-10-23 | Asahi Glass Co Ltd | 基板用ガラス |
US6949485B2 (en) * | 2000-06-01 | 2005-09-27 | Asabi Glass Company, Limited | Glass for substrate and glass substrate |
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 |
US7462411B2 (en) | 2002-06-03 | 2008-12-09 | Hoya Corporation | Substrate for information recording medium, information recording medium and process for producing the same |
AU2003275708A1 (en) | 2002-10-29 | 2004-05-25 | Hoya Corporation | Chemically strengthened glass, substrate for information recording medium and information recording medium |
CN100482606C (zh) * | 2002-11-07 | 2009-04-29 | Hoya株式会社 | 信息记录介质用基板和信息记录介质及其制备方法 |
JP2004288228A (ja) | 2003-01-31 | 2004-10-14 | Hoya Corp | 情報記録媒体用基板、情報記録媒体およびその製造方法 |
CN101443284B (zh) * | 2006-05-10 | 2013-06-12 | 旭硝子株式会社 | 显示基板用浮法玻璃及其制造方法 |
WO2008062847A1 (fr) | 2006-11-22 | 2008-05-29 | Asahi Glass Company, Limited | Verre pour substrat support d'enregistrement d'informations |
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 |
-
2008
- 2008-03-21 MY MYPI20092281A patent/MY146997A/en unknown
- 2008-03-21 CN CN2011102542434A patent/CN102320742A/zh active Pending
- 2008-03-21 CN CN2011102542222A patent/CN102442776A/zh active Pending
- 2008-03-21 JP JP2009506324A patent/JP5263152B2/ja not_active Expired - Fee Related
- 2008-03-21 WO PCT/JP2008/055307 patent/WO2008117758A1/ja active Application Filing
- 2008-03-21 CN CNA2008800015601A patent/CN101578242A/zh active Pending
-
2009
- 2009-06-03 US US12/477,285 patent/US7803472B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000351649A (ja) * | 1999-06-08 | 2000-12-19 | Asahi Glass Co Ltd | 基板用ガラスおよびガラス基板 |
JP2001058843A (ja) * | 1999-06-08 | 2001-03-06 | Asahi Glass Co Ltd | 基板用ガラスおよびガラス基板 |
JP2001172043A (ja) * | 1999-12-20 | 2001-06-26 | Asahi Glass Co Ltd | 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 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016117649A (ja) * | 2009-04-02 | 2016-06-30 | 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 |
US8349476B2 (en) | 2009-11-20 | 2013-01-08 | Asahi Glass Company, Limited | Glass substrate for information recording medium and magnetic disk |
US8402790B2 (en) | 2009-11-24 | 2013-03-26 | Asahi Glass Company, Limited | Process for producing glass substrate for information recording medium |
JP2012254918A (ja) * | 2011-05-18 | 2012-12-27 | Nippon Electric Glass Co Ltd | 高屈折率ガラス |
US9688573B2 (en) | 2013-06-20 | 2017-06-27 | Nippon Sheet Glass Company, Limited | Glass composition, chemically strengthened glass, and glass substrate for information recording medium |
Also Published As
Publication number | Publication date |
---|---|
MY146997A (en) | 2012-10-15 |
US20090239035A1 (en) | 2009-09-24 |
US7803472B2 (en) | 2010-09-28 |
JP5263152B2 (ja) | 2013-08-14 |
JPWO2008117758A1 (ja) | 2010-07-15 |
CN101578242A (zh) | 2009-11-11 |
CN102442776A (zh) | 2012-05-09 |
CN102320742A (zh) | 2012-01-18 |
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