SG11201601861WA - Glass for magnetic recording medium substrate and magnetic recording medium substrate - Google Patents
Glass for magnetic recording medium substrate and magnetic recording medium substrateInfo
- Publication number
- SG11201601861WA SG11201601861WA SG11201601861WA SG11201601861WA SG11201601861WA SG 11201601861W A SG11201601861W A SG 11201601861WA SG 11201601861W A SG11201601861W A SG 11201601861WA SG 11201601861W A SG11201601861W A SG 11201601861WA SG 11201601861W A SG11201601861W A SG 11201601861WA
- Authority
- SG
- Singapore
- Prior art keywords
- recording medium
- magnetic recording
- medium substrate
- glass
- 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
- 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
- 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)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Glass Compositions (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013188315A JP6131154B2 (ja) | 2013-09-11 | 2013-09-11 | 磁気記録媒体基板用ガラスおよび磁気記録媒体基板 |
| PCT/JP2014/073911 WO2015037609A1 (ja) | 2013-09-11 | 2014-09-10 | 磁気記録媒体基板用ガラスおよび磁気記録媒体基板 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11201601861WA true SG11201601861WA (en) | 2016-04-28 |
Family
ID=52665711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11201601861WA SG11201601861WA (en) | 2013-09-11 | 2014-09-10 | Glass for magnetic recording medium substrate and magnetic recording medium substrate |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20160225396A1 (zh) |
| JP (1) | JP6131154B2 (zh) |
| CN (1) | CN105518779A (zh) |
| MY (1) | MY176222A (zh) |
| SG (1) | SG11201601861WA (zh) |
| WO (1) | WO2015037609A1 (zh) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6670462B2 (ja) * | 2015-12-04 | 2020-03-25 | 日本電気硝子株式会社 | 強化ガラス |
| JP7103219B2 (ja) * | 2016-05-27 | 2022-07-20 | Ａｇｃ株式会社 | 磁気記録媒体用ガラス、磁気記録媒体用ガラス基板および磁気ディスク |
| US10427972B2 (en) * | 2016-07-21 | 2019-10-01 | Corning Incorporated | Transparent silicate glasses with high fracture toughness |
| WO2018088563A1 (ja) * | 2016-11-14 | 2018-05-17 | 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、磁気記録媒体および磁気記録再生装置用ガラススペーサ |
| KR101911621B1 (ko) | 2017-02-27 | 2018-10-24 | 주식회사 엘지화학 | 접합 유리 및 접합 유리의 제조 방법 |
| WO2019060474A1 (en) * | 2017-09-21 | 2019-03-28 | Corning Incorporated | TRANSPARENT SILICATE GLASSES WITH EXCHANGEABLE IONS AND HAVING HIGH BREAK RESISTANCE |
| US11358898B2 (en) * | 2017-10-20 | 2022-06-14 | Corning Incorporated | Methods to improve ion exchange efficiency of glasses and glass ceramics |
| NL2020896B1 (en) * | 2018-05-08 | 2019-11-14 | Corning Inc | Water-containing glass-based articles with high indentation cracking threshold |
| JP7303482B2 (ja) * | 2017-12-26 | 2023-07-05 | 日本電気硝子株式会社 | カバーガラス |
| JP6999806B2 (ja) | 2018-05-16 | 2022-01-19 | Hoya株式会社 | 磁気記録媒体基板、磁気記録媒体、磁気記録再生装置用ガラススペーサおよび磁気記録再生装置 |
| EP3802451B1 (en) * | 2018-06-08 | 2024-02-14 | Corning Incorporated | Fracture resistant stress profiles in glasses |
| TW202026257A (zh) | 2018-11-16 | 2020-07-16 | 美商康寧公司 | 用於透過蒸氣處理而強化之玻璃成分及方法 |
| JP7445186B2 (ja) * | 2018-12-07 | 2024-03-07 | 日本電気硝子株式会社 | ガラス |
| US11370696B2 (en) | 2019-05-16 | 2022-06-28 | Corning Incorporated | Glass compositions and methods with steam treatment haze resistance |
| JP2022535231A (ja) * | 2019-06-03 | 2022-08-05 | コーニング インコーポレイテッド | アルカリ金属含有ディスプレイガラス |
| JP7229357B2 (ja) * | 2019-07-22 | 2023-02-27 | Hoya株式会社 | 磁気記録媒体基板用または磁気記録再生装置用ガラススペーサ用のガラス、磁気記録媒体基板、磁気記録媒体、磁気記録再生装置用ガラススペーサおよび磁気記録再生装置 |
| WO2021167656A2 (en) * | 2019-11-27 | 2021-08-26 | Corning Incorporated | Y2o3-containing glass compositions, substrates, and articles |
| JP7383050B2 (ja) | 2019-12-13 | 2023-11-17 | Hoya株式会社 | 磁気記録媒体基板用または磁気記録再生装置用ガラススペーサ用のガラス、磁気記録媒体基板、磁気記録媒体、磁気記録再生装置用ガラススペーサおよび磁気記録再生装置 |
| US11951713B2 (en) | 2020-12-10 | 2024-04-09 | Corning Incorporated | Glass with unique fracture behavior for vehicle windshield |
| WO2024053056A1 (ja) * | 2022-09-08 | 2024-03-14 | Hoya株式会社 | 磁気記録媒体基板用または磁気記録再生装置用ガラススペーサ用のガラス、磁気記録媒体基板、磁気記録媒体、磁気記録再生装置用ガラススペーサおよび磁気記録再生装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61101433A (ja) * | 1984-10-20 | 1986-05-20 | Nippon Sheet Glass Co Ltd | 化学強化用ガラス組成物 |
| JP3412804B2 (ja) * | 1996-12-26 | 2003-06-03 | Ｈｏｙａ株式会社 | 情報記録媒体用基板 |
| US5972460A (en) * | 1996-12-26 | 1999-10-26 | Hoya Corporation | Information recording medium |
| JP2000313634A (ja) * | 1999-02-25 | 2000-11-14 | Nippon Sheet Glass Co Ltd | ガラス組成物およびその製造方法、ならびにそれを用いた情報記録媒体用基板、情報記録媒体および情報記録装置 |
| JP4017466B2 (ja) * | 2001-12-04 | 2007-12-05 | 岡本硝子株式会社 | 耐熱性ガラス |
| MY182785A (en) * | 2007-09-28 | 2021-02-05 | Hoya Corp | Glass substrate for magnetic disk and manufacturing method of the same |
| US8652660B2 (en) * | 2010-12-21 | 2014-02-18 | Hoya Corporation | Glass substrate for magnetic recording medium and its use |
| JP5896338B2 (ja) * | 2011-01-18 | 2016-03-30 | 日本電気硝子株式会社 | 強化用ガラスの製造方法及び強化ガラス板の製造方法 |
| US8885447B2 (en) * | 2012-03-29 | 2014-11-11 | Hoya Corporation | Glass for magnetic recording medium substrate, glass substrate for magnetic recording medium, and their use |
| SG11201406177YA (en) * | 2012-03-29 | 2014-11-27 | Hoya Corp | Glass for magnetic recording medium substrate, glass substrate for magnetic recording medium, and their use |
| SG10201605515PA (en) * | 2012-05-16 | 2016-09-29 | Hoya Corp | Glass for magnetic recording medium substrate and usage thereof |
-
2013
- 2013-09-11 JP JP2013188315A patent/JP6131154B2/ja active Active
-
2014
- 2014-09-10 CN CN201480049661.1A patent/CN105518779A/zh active Pending
- 2014-09-10 SG SG11201601861WA patent/SG11201601861WA/en unknown
- 2014-09-10 WO PCT/JP2014/073911 patent/WO2015037609A1/ja active Application Filing
- 2014-09-10 MY MYPI2016700847A patent/MY176222A/en unknown
- 2014-09-10 US US15/021,204 patent/US20160225396A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CN105518779A (zh) | 2016-04-20 |
| MY176222A (en) | 2020-07-24 |
| JP6131154B2 (ja) | 2017-05-17 |
| WO2015037609A1 (ja) | 2015-03-19 |
| JP2015054794A (ja) | 2015-03-23 |
| US20160225396A1 (en) | 2016-08-04 |
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