SG10201605515PA - Glass for magnetic recording medium substrate and usage thereof - Google Patents
Glass for magnetic recording medium substrate and usage thereofInfo
- Publication number
- SG10201605515PA SG10201605515PA SG10201605515PA SG10201605515PA SG10201605515PA SG 10201605515P A SG10201605515P A SG 10201605515PA SG 10201605515P A SG10201605515P A SG 10201605515PA SG 10201605515P A SG10201605515P A SG 10201605515PA SG 10201605515P A SG10201605515P A SG 10201605515PA
- Authority
- SG
- Singapore
- Prior art keywords
- usage
- glass
- recording medium
- magnetic recording
- medium substrate
- 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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/06—Surface treatment of glass, not in the form of fibres or filaments, by coating with metals
-
- 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
-
- 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
- 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
- G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
- G11B13/04—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties
-
- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
-
- 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
- G11B2005/0002—Special dispositions or recording techniques
- G11B2005/0005—Arrangements, methods or circuits
- G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Glass Compositions (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261647644P | 2012-05-16 | 2012-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG10201605515PA true SG10201605515PA (en) | 2016-09-29 |
Family
ID=49583653
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11201407592YA SG11201407592YA (en) | 2012-05-16 | 2013-05-09 | Glass for magnetic recording medium substrate and usage thereof |
| SG10201605515PA SG10201605515PA (en) | 2012-05-16 | 2013-05-09 | Glass for magnetic recording medium substrate and usage thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11201407592YA SG11201407592YA (en) | 2012-05-16 | 2013-05-09 | Glass for magnetic recording medium substrate and usage thereof |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US8824248B2 (en) |
| JP (1) | JP6147735B2 (en) |
| CN (1) | CN104303231A (en) |
| MY (1) | MY166878A (en) |
| SG (2) | SG11201407592YA (en) |
| WO (1) | WO2013172247A1 (en) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5724779B2 (en) * | 2011-09-13 | 2015-05-27 | 旭硝子株式会社 | Method for measuring strength of chemically strengthened glass, method for reproducing cracks in chemically strengthened glass, and method for producing chemically strengthened glass |
| JPWO2013108790A1 (en) * | 2012-01-20 | 2015-05-11 | 旭硝子株式会社 | Glass substrate for Cu-In-Ga-Se solar cell and solar cell using the same |
| US9359251B2 (en) | 2012-02-29 | 2016-06-07 | Corning Incorporated | Ion exchanged glasses via non-error function compressive stress profiles |
| US11079309B2 (en) | 2013-07-26 | 2021-08-03 | Corning Incorporated | Strengthened glass articles having improved survivability |
| JP6131154B2 (en) * | 2013-09-11 | 2017-05-17 | Hoya株式会社 | Glass for magnetic recording medium substrate and magnetic recording medium substrate |
| US10118858B2 (en) | 2014-02-24 | 2018-11-06 | Corning Incorporated | Strengthened glass with deep depth of compression |
| DE102014203567B4 (en) * | 2014-02-27 | 2018-04-26 | Schott Ag | Float method for producing a float glass pane |
| TWI773291B (en) | 2014-06-19 | 2022-08-01 | 美商康寧公司 | Glasses having non-frangible stress profiles |
| KR20190090090A (en) | 2014-10-08 | 2019-07-31 | 코닝 인코포레이티드 | Glasses and glass ceramics including a metal oxide concentration gradient |
| US10150698B2 (en) | 2014-10-31 | 2018-12-11 | Corning Incorporated | Strengthened glass with ultra deep depth of compression |
| EP3215471B1 (en) | 2014-11-04 | 2021-12-15 | Corning Incorporated | Deep non-frangible stress profiles and methods of making |
| US9701569B2 (en) | 2015-07-21 | 2017-07-11 | Corning Incorporated | Glass articles exhibiting improved fracture performance |
| US11613103B2 (en) | 2015-07-21 | 2023-03-28 | Corning Incorporated | Glass articles exhibiting improved fracture performance |
| JP6839192B2 (en) | 2015-12-11 | 2021-03-03 | コーニング インコーポレイテッド | Fusion-moldable glass-based articles containing metal oxide concentration gradients |
| KR20210068158A (en) | 2016-04-08 | 2021-06-08 | 코닝 인코포레이티드 | Glass-based articles including a metal oxide concentration gradient |
| KR20240019381A (en) | 2016-04-08 | 2024-02-14 | 코닝 인코포레이티드 | Glass-based articles including a stress profile comprising two regions, and methods of making |
| JP6574740B2 (en) * | 2016-07-08 | 2019-09-11 | 昭和電工株式会社 | Magnetic recording medium substrate and hard disk drive |
| WO2018088563A1 (en) * | 2016-11-14 | 2018-05-17 | Hoya株式会社 | Glass for magnetic recording medium substrates, magnetic recording medium substrate, magnetic recording medium, and glass spacer for magnetic recording/reproducing apparatuses |
| JP6832179B2 (en) | 2017-02-03 | 2021-02-24 | 昭和電工株式会社 | Magnetic recording medium board and hard disk drive |
| CN111164055A (en) * | 2017-09-21 | 2020-05-15 | 康宁股份有限公司 | Transparent ion-exchangeable silicate glasses with high fracture toughness |
| US11319243B2 (en) | 2018-01-17 | 2022-05-03 | Corning Incorporated | High refractive index optical borate glass |
| CN116798456A (en) * | 2018-08-07 | 2023-09-22 | Hoya株式会社 | Magnetic disk substrate and magnetic disk |
| US11688424B2 (en) * | 2019-07-22 | 2023-06-27 | Hoya Corporation | Glass for magnetic recording medium substrate, magnetic recording medium substrate, magnetic recording medium, glass spacer for magnetic recording and reproducing apparatus, and magnetic recording and reproducing apparatus |
| JP7383050B2 (en) * | 2019-12-13 | 2023-11-17 | Hoya株式会社 | Glass for magnetic recording medium substrates or glass spacers for magnetic recording and reproducing devices, magnetic recording medium substrates, magnetic recording media, glass spacers for magnetic recording and reproducing devices, and magnetic recording and reproducing devices |
| US11951713B2 (en) | 2020-12-10 | 2024-04-09 | Corning Incorporated | Glass with unique fracture behavior for vehicle windshield |
| US11270724B1 (en) * | 2021-03-04 | 2022-03-08 | Western Digital Technologies, Inc. | Glass substrates for heat assisted magnetic recording (HAMR) and methods and apparatus for use with the glass substrates |
| JP7488416B2 (en) | 2021-03-05 | 2024-05-21 | Hoya株式会社 | Glass for a magnetic recording medium substrate or a glass spacer for a magnetic recording/reproducing device, a magnetic recording medium substrate, a magnetic recording medium, a glass spacer for a magnetic recording/reproducing device, and a magnetic recording/reproducing device |
| CN113402165B (en) * | 2021-07-28 | 2022-07-29 | 成都光明光电股份有限公司 | Glass composition, chemically strengthened glass, and method for producing same |
Family Cites Families (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2727399B1 (en) | 1994-10-13 | 1997-01-31 | Saint Gobain Vitrage | SILICO-SODO-CALCIUM GLASS COMPOSITIONS AND THEIR APPLICATIONS |
| AU3656495A (en) | 1994-10-13 | 1996-05-06 | Saint-Gobain Vitrage S.A. | Reinforced glass substrates |
| JP2007051064A (en) | 1995-04-20 | 2007-03-01 | Asahi Glass Co Ltd | Glass for magnetic disc substrate, glass substrate for magnetic disc, and magnetic disc |
| GB2299991B (en) | 1995-04-20 | 1998-09-09 | Ag Technology Corp | Glass substrate for magnetic disk |
| JP3412804B2 (en) * | 1996-12-26 | 2003-06-03 | Ｈｏｙａ株式会社 | Information recording medium substrate |
| US5972460A (en) * | 1996-12-26 | 1999-10-26 | Hoya Corporation | Information recording medium |
| US5997977A (en) * | 1997-06-05 | 1999-12-07 | Hoya Corporation | Information recording substrate and information recording medium prepared from the substrate |
| JPH11232636A (en) * | 1997-11-14 | 1999-08-27 | Hoya Corp | Substrate for information record medium and its manufacture |
| JP4635297B2 (en) | 1999-06-08 | 2011-02-23 | 旭硝子株式会社 | Substrate glass and glass substrate |
| JP2001134925A (en) | 1999-08-25 | 2001-05-18 | Asahi Glass Co Ltd | Glass for information recording medium board and glass board for information recording medium |
| JP4518291B2 (en) * | 1999-10-19 | 2010-08-04 | Ｈｏｙａ株式会社 | Glass composition and substrate for information recording medium, information recording medium and information recording apparatus using the same |
| JP2001294441A (en) | 2000-04-11 | 2001-10-23 | Asahi Glass Co Ltd | Glass for substrate |
| US6949485B2 (en) | 2000-06-01 | 2005-09-27 | Asabi Glass Company, Limited | Glass for substrate and glass substrate |
| JP2001348246A (en) | 2000-06-01 | 2001-12-18 | Asahi Glass Co Ltd | Glass for substrate and glass substrate |
| JP4446683B2 (en) | 2002-05-24 | 2010-04-07 | Ｈｏｙａ株式会社 | Glass substrate for magnetic recording media |
| US7309671B2 (en) | 2002-05-24 | 2007-12-18 | Nippon Sheet Glass Co., Ltd. | Glass composition, glass article, glass substrate for magnetic recording media, and method for producing the same |
| JP4213076B2 (en) | 2003-05-14 | 2009-01-21 | 富士通株式会社 | Method for manufacturing magnetic recording medium |
| JP4726400B2 (en) * | 2003-05-29 | 2011-07-20 | コニカミノルタオプト株式会社 | Manufacturing method of glass substrate |
| US7273668B2 (en) | 2003-06-06 | 2007-09-25 | Hoya Corporation | Glass composition including zirconium, chemically strengthened glass article, glass substrate for magnetic recording media, and method of producing glass sheet |
| JP4656863B2 (en) * | 2003-06-06 | 2011-03-23 | Ｈｏｙａ株式会社 | Zirconium-containing glass composition, chemically strengthened glass article, glass substrate for magnetic recording medium, and method for producing glass plate |
| JP4039381B2 (en) | 2004-03-25 | 2008-01-30 | コニカミノルタオプト株式会社 | Glass substrate for information recording medium using glass composition and information recording medium using the same |
| JP4213077B2 (en) * | 2004-04-28 | 2009-01-21 | Ｈｏｙａ株式会社 | GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM AND ITS MANUFACTURING METHOD, AND INFORMATION RECORDING MEDIUM AND ITS MANUFACTURING METHOD |
| JP2006327935A (en) | 2006-08-25 | 2006-12-07 | Konica Minolta Opto Inc | Glass substrate |
| CN101541696A (en) * | 2006-11-22 | 2009-09-23 | 旭硝子株式会社 | Glass for information recording medium substrate |
| US20080130171A1 (en) * | 2006-11-30 | 2008-06-05 | Francis Martin Behan | Calcium aluminosilicate glasses for use as information recording medium substrates |
| JP4641524B2 (en) * | 2006-12-25 | 2011-03-02 | キヤノン株式会社 | Magnetic recording medium and method for manufacturing the same |
| JP5004018B2 (en) | 2007-10-31 | 2012-08-22 | 富士電機株式会社 | Magnetic recording medium for heat-assisted recording |
| WO2009116278A1 (en) * | 2008-03-19 | 2009-09-24 | Hoya株式会社 | Glasses for substrate for magnetic recording medium, substrates for magnetic recording medium, magnetic recording media, and processes for producing these |
| US8916487B2 (en) * | 2010-06-30 | 2014-12-23 | Hoya Corporation | Glass substrate for information recording medium |
| US8394516B2 (en) * | 2010-10-29 | 2013-03-12 | Hoya Corporation | Glass substrate for magnetic recording medium and magnetic recording medium |
| CN104246883B (en) * | 2012-03-29 | 2018-10-23 | Hoya株式会社 | Magnetic recording medium substrate glass, glass base plate for magnetic recording carrier and its utilization |
-
2013
- 2013-05-09 MY MYPI2014703395A patent/MY166878A/en unknown
- 2013-05-09 CN CN201380025244.9A patent/CN104303231A/en active Pending
- 2013-05-09 SG SG11201407592YA patent/SG11201407592YA/en unknown
- 2013-05-09 WO PCT/JP2013/063046 patent/WO2013172247A1/en active Application Filing
- 2013-05-09 US US13/890,866 patent/US8824248B2/en active Active
- 2013-05-09 SG SG10201605515PA patent/SG10201605515PA/en unknown
- 2013-05-09 JP JP2014515588A patent/JP6147735B2/en active Active
-
2014
- 2014-07-25 US US14/341,142 patent/US9007878B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US9007878B2 (en) | 2015-04-14 |
| JP6147735B2 (en) | 2017-06-14 |
| MY166878A (en) | 2018-07-24 |
| JPWO2013172247A1 (en) | 2016-01-12 |
| CN104303231A (en) | 2015-01-21 |
| SG11201407592YA (en) | 2015-01-29 |
| US20140334276A1 (en) | 2014-11-13 |
| US8824248B2 (en) | 2014-09-02 |
| US20140036644A1 (en) | 2014-02-06 |
| WO2013172247A1 (en) | 2013-11-21 |
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