SG10201407058SA - Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing method - Google Patents
Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing methodInfo
- Publication number
- SG10201407058SA SG10201407058SA SG10201407058SA SG10201407058SA SG10201407058SA SG 10201407058S A SG10201407058S A SG 10201407058SA SG 10201407058S A SG10201407058S A SG 10201407058SA SG 10201407058S A SG10201407058S A SG 10201407058SA SG 10201407058S A SG10201407058S A SG 10201407058SA
- Authority
- SG
- Singapore
- Prior art keywords
- recording medium
- information recording
- substrate
- percent
- total
- Prior art date
Links
Classifications
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- 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
-
- 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
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
-
- 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
- C03C19/00—Surface treatment of glass, not in the form of fibres or filaments, by mechanical means
-
- 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
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/0075—Cleaning of glass
-
- 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
-
- 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
- C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
-
- 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
- C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
-
- G11B5/7315—
-
- 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
-
- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
-
- 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.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
-
- 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
- Y10T428/31—Surface property or characteristic of web, sheet or block
- Y10T428/315—Surface modified glass [e.g., tempered, strengthened, etc.]
Abstract
Abstract Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing method According to one aspect of the present invention, provided is glass for use in substrate for information recording medium, which comprises, denoted as molar percentages, a total of 70 to 85 percent of SiCte and AlaOs, where SiC>2 content is equal to or greater than 50 percent and AI2O3 content is equal to or greater than 3 percent; a total of equal to or greater than 10 percent of L12O, NasO and KsO> a total of 1 to 6 percent of CaO and MgO, where CaO content is greater than MgO content; a total of greater than 0 percent but equal to or lower than 4 percent of ZrOa, HfOa, NbaOs, TasGs, LagOg Y2O3 and 1102; with the molar ratio of the total content of ItaO, Na20 and K2O to the total content of SiOj>, Al20 , 3 ZxOz, H£02, NbaOs, TasOs, LasOs/SaOg and Ti0 2 ((U2O + Na 0 2 + BiO)/<SiOa + AI2O3 + ZrOa + Hf0 2 + Nb205 + Ta205 + La20a + Y2O3 + T1O2)) being equal to or less than 0.28. Further provided are the substrate for information recording medium, information recording medium and their manufacturing methods according to the present invention. NO FIGURE. 87
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006159223 | 2006-06-08 |
Publications (1)
Publication Number | Publication Date |
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SG10201407058SA true SG10201407058SA (en) | 2015-01-29 |
Family
ID=38801568
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG10201407058SA SG10201407058SA (en) | 2006-06-08 | 2007-06-08 | Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing method |
SG10201606460SA SG10201606460SA (en) | 2006-06-08 | 2007-06-08 | Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing method |
SG201103081-4A SG171640A1 (en) | 2006-06-08 | 2007-06-08 | Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing method |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG10201606460SA SG10201606460SA (en) | 2006-06-08 | 2007-06-08 | Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing method |
SG201103081-4A SG171640A1 (en) | 2006-06-08 | 2007-06-08 | Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing method |
Country Status (8)
Country | Link |
---|---|
US (4) | US8076014B2 (en) |
EP (2) | EP2036867B1 (en) |
JP (4) | JP5068258B2 (en) |
CN (3) | CN104591536B (en) |
MY (2) | MY152135A (en) |
SG (3) | SG10201407058SA (en) |
TW (1) | TWI455902B (en) |
WO (1) | WO2007142324A1 (en) |
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Also Published As
Publication number | Publication date |
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JP2015107911A (en) | 2015-06-11 |
US9236077B2 (en) | 2016-01-12 |
CN101466648A (en) | 2009-06-24 |
CN101466648B (en) | 2012-09-26 |
JP5068258B2 (en) | 2012-11-07 |
CN102432171A (en) | 2012-05-02 |
TW200817298A (en) | 2008-04-16 |
US20100167091A1 (en) | 2010-07-01 |
US8076014B2 (en) | 2011-12-13 |
EP2036867A4 (en) | 2010-07-07 |
EP2036867B1 (en) | 2016-10-05 |
CN102432171B (en) | 2014-12-31 |
CN104591536A (en) | 2015-05-06 |
JP5748675B2 (en) | 2015-07-15 |
MY152135A (en) | 2014-08-15 |
US20120021892A1 (en) | 2012-01-26 |
US20140302346A1 (en) | 2014-10-09 |
US8357459B2 (en) | 2013-01-22 |
TWI455902B (en) | 2014-10-11 |
JP2012106927A (en) | 2012-06-07 |
US20120328907A1 (en) | 2012-12-27 |
CN104591536B (en) | 2018-08-28 |
EP3178794A1 (en) | 2017-06-14 |
US8785011B2 (en) | 2014-07-22 |
WO2007142324A1 (en) | 2007-12-13 |
SG171640A1 (en) | 2011-06-29 |
JP2016155750A (en) | 2016-09-01 |
JPWO2007142324A1 (en) | 2009-10-29 |
JP6220411B2 (en) | 2017-10-25 |
JP5922746B2 (en) | 2016-05-24 |
SG10201606460SA (en) | 2016-09-29 |
EP2036867A1 (en) | 2009-03-18 |
MY171124A (en) | 2019-09-26 |
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