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
- 239000011521 glass Substances 0.000 title 1
- 239000000758 substrate Substances 0.000 title 1
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)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (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 (29)
| 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 |
| US9517968B2 (en) | 2014-02-24 | 2016-12-13 | 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 |
| TWI697403B (en) | 2014-06-19 | 2020-07-01 | 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 |
| CN115572078A (en) | 2014-11-04 | 2023-01-06 | 康宁股份有限公司 | Deep non-brittle stress curve and method of making same |
| US10579106B2 (en) | 2015-07-21 | 2020-03-03 | Corning Incorporated | Glass articles exhibiting improved fracture performance |
| US11613103B2 (en) | 2015-07-21 | 2023-03-28 | Corning Incorporated | Glass articles exhibiting improved fracture performance |
| WO2017100646A1 (en) | 2015-12-11 | 2017-06-15 | Corning Incorporated | Fusion-formable glass-based articles including a metal oxide concentration gradient |
| KR20190104435A (en) | 2016-04-08 | 2019-09-09 | 코닝 인코포레이티드 | Glass-based articles including a metal oxide concentration gradient |
| KR20200091500A (en) | 2016-04-08 | 2020-07-30 | 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 |
| JP6694074B2 (en) * | 2016-11-14 | 2020-05-13 | Hoya株式会社 | Glass for magnetic recording medium substrate, magnetic recording medium substrate, magnetic recording medium and glass spacer for magnetic recording / reproducing apparatus |
| JP6832179B2 (en) | 2017-02-03 | 2021-02-24 | 昭和電工株式会社 | Magnetic recording medium board and hard disk drive |
| TW201920027A (en) * | 2017-09-21 | 2019-06-01 | 美商康寧公司 | 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 |
| US11999652B2 (en) | 2019-12-13 | 2024-06-04 | Hoya Corporation | Glass for magnetic recording medium substrate or for glass spacer to be used in magnetic recording/reproducing device, magnetic recording medium substrate, magnetic recording medium, glass spacer to be used in magnetic recording/reproducing device, and magnetic recording/reproducing device |
| US12122714B2 (en) | 2020-12-10 | 2024-10-22 | Corning Incorporated | Glass with unique fracture behavior for vehicle windshield |
| 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 |
| US20240158281A1 (en) * | 2021-03-05 | 2024-05-16 | Hoya Corporation | Glass for magnetic recording medium substrate or for glass spacer to be used in magnetic recording/reproducing device, magnetic recording medium substrate, magnetic recording medium, glass spacer to be used in magnetic recording/reproducing device, and 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 |
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|---|---|---|---|---|
| FR2727399B1 (en) | 1994-10-13 | 1997-01-31 | Saint Gobain Vitrage | SILICO-SODO-CALCIUM GLASS COMPOSITIONS AND THEIR APPLICATIONS |
| KR100402511B1 (en) | 1994-10-13 | 2004-03-20 | 쌩-고벵 글래스 프랑스 | Reinforced glass substrates |
| JP2007051064A (en) | 1995-04-20 | 2007-03-01 | Asahi Glass Co Ltd | Glass for magnetic disk substrate, glass substrate for magnetic disk and magnetic disk |
| GB2299991B (en) | 1995-04-20 | 1998-09-09 | Ag Technology Corp | Glass substrate for magnetic disk |
| US5972460A (en) * | 1996-12-26 | 1999-10-26 | Hoya Corporation | Information recording medium |
| JP3412804B2 (en) * | 1996-12-26 | 2003-06-03 | Hoya株式会社 | Information recording medium substrate |
| 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 substrate and glass substrate 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 substrates |
| 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 substrates and glass substrates |
| 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 |
| JP4446683B2 (en) | 2002-05-24 | 2010-04-07 | Hoya株式会社 | Glass substrate for magnetic recording media |
| 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 |
| 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 |
| 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 |
| 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 |
| MY158789A (en) * | 2008-03-19 | 2016-11-15 | Hoya Corp | Glass for magnetic recording media substrates, magnetic recording media substrates, magnetic recording media and method for preparation thereof |
| JP5837492B2 (en) * | 2010-06-30 | 2015-12-24 | Hoya株式会社 | Glass substrate for information recording media |
| US8394516B2 (en) | 2010-10-29 | 2013-03-12 | Hoya Corporation | Glass substrate for magnetic recording medium and magnetic recording medium |
| MY169221A (en) * | 2012-03-29 | 2019-03-19 | Hoya Corp | Glass for magnetic recording medium substrate, glass substrate for magnetic recording medium, and their use |
-
2013
- 2013-05-09 JP JP2014515588A patent/JP6147735B2/en active Active
- 2013-05-09 SG SG11201407592YA patent/SG11201407592YA/en unknown
- 2013-05-09 WO PCT/JP2013/063046 patent/WO2013172247A1/en not_active Ceased
- 2013-05-09 MY MYPI2014703395A patent/MY166878A/en unknown
- 2013-05-09 SG SG10201605515PA patent/SG10201605515PA/en unknown
- 2013-05-09 CN CN201380025244.9A patent/CN104303231A/en active Pending
- 2013-05-09 US US13/890,866 patent/US8824248B2/en active Active
-
2014
- 2014-07-25 US US14/341,142 patent/US9007878B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2013172247A1 (en) | 2016-01-12 |
| US8824248B2 (en) | 2014-09-02 |
| MY166878A (en) | 2018-07-24 |
| SG11201407592YA (en) | 2015-01-29 |
| CN104303231A (en) | 2015-01-21 |
| WO2013172247A1 (en) | 2013-11-21 |
| JP6147735B2 (en) | 2017-06-14 |
| US20140334276A1 (en) | 2014-11-13 |
| US20140036644A1 (en) | 2014-02-06 |
| US9007878B2 (en) | 2015-04-14 |
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