SG10202102247RA - Glass for magnetic recording medium substrate, magnetic recording medium substrate, magnetic recording medium and glass spacer for magnetic recording and reproducing apparatus - Google Patents
Glass for magnetic recording medium substrate, magnetic recording medium substrate, magnetic recording medium and glass spacer for magnetic recording and reproducing apparatusInfo
- Publication number
- SG10202102247RA SG10202102247RA SG10202102247RA SG10202102247RA SG10202102247RA SG 10202102247R A SG10202102247R A SG 10202102247RA SG 10202102247R A SG10202102247R A SG 10202102247RA SG 10202102247R A SG10202102247R A SG 10202102247RA SG 10202102247R A SG10202102247R A SG 10202102247RA
- Authority
- SG
- Singapore
- Prior art keywords
- magnetic recording
- recording medium
- glass
- medium substrate
- reproducing apparatus
- 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
-
- 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
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
-
- 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
- G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
- G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
- G11B5/658—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing oxygen, e.g. molecular oxygen or magnetic oxide
-
- 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
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Glass Compositions (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016221389 | 2016-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG10202102247RA true SG10202102247RA (en) | 2021-04-29 |
Family
ID=62109170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG10202102247RA SG10202102247RA (en) | 2016-11-14 | 2017-11-14 | Glass for magnetic recording medium substrate, magnetic recording medium substrate, magnetic recording medium and glass spacer for magnetic recording and reproducing apparatus |
Country Status (5)
| Country | Link |
|---|---|
| US (4) | US11081133B2 (enExample) |
| JP (4) | JP6694074B2 (enExample) |
| CN (2) | CN109923083B (enExample) |
| SG (1) | SG10202102247RA (enExample) |
| WO (1) | WO2018088563A1 (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6694074B2 (ja) * | 2016-11-14 | 2020-05-13 | 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 |
| CN110352180A (zh) * | 2017-02-27 | 2019-10-18 | 肖特玻璃科技(苏州)有限公司 | 化学钢化后具有低膨胀的含锂的铝硅酸盐玻璃 |
| CN116854364A (zh) * | 2018-05-16 | 2023-10-10 | Hoya株式会社 | 磁记录介质基板用玻璃和磁记录再生装置用玻璃间隔物 |
| JP7389545B2 (ja) * | 2018-12-10 | 2023-11-30 | 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 |
| 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 |
| KR102809471B1 (ko) * | 2019-07-29 | 2025-05-19 | 에이지씨 가부시키가이샤 | 지지 유리 기판 |
| US11697608B2 (en) * | 2019-10-01 | 2023-07-11 | Owens-Brockway Glass Container Inc. | Selective chemical fining of small bubbles in glass |
| JP7392909B2 (ja) * | 2019-11-25 | 2023-12-06 | 日本電気硝子株式会社 | 磁気記録媒体用ガラス基板及びそれを用いた磁気記録装置 |
| 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 |
| 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 |
| CN116964013A (zh) * | 2021-03-05 | 2023-10-27 | 豪雅株式会社 | 磁记录介质基板用玻璃或磁记录再生装置用玻璃间隔物用的玻璃、磁记录介质基板、磁记录介质、磁记录再生装置用玻璃间隔物和磁记录再生装置 |
| CN117486486A (zh) * | 2022-07-20 | 2024-02-02 | 荣耀终端有限公司 | 一种钇铝硅酸盐玻璃、制备方法及电子设备 |
| EP4585575A1 (en) * | 2022-09-08 | 2025-07-16 | Hoya Corporation | Glass for magnetic recording medium substrate, magnetic recording medium substrate, and magnetic recording/reproducing apparatus |
| JPWO2024190443A1 (enExample) * | 2023-03-13 | 2024-09-19 | ||
| CN121039073A (zh) * | 2023-04-17 | 2025-11-28 | Ａｇｃ株式会社 | 玻璃 |
| WO2024238181A1 (en) * | 2023-05-18 | 2024-11-21 | Corning Incorporated | Lithium-free ion exchangeable glasses |
| WO2025206374A1 (ja) * | 2024-03-29 | 2025-10-02 | Hoya株式会社 | 磁気記録装置、及び積層構造体 |
Family Cites Families (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3022524B1 (ja) * | 1998-02-26 | 2000-03-21 | 株式会社オハラ | 情報磁気記憶媒体用高剛性ガラスセラミックス基板 |
| US6344423B2 (en) * | 1998-02-26 | 2002-02-05 | Kabushiki Kaisha Ohara | High rigidity glass-ceramic substrate for a magnetic information storage medium |
| JP3011703B1 (ja) * | 1998-02-26 | 2000-02-21 | 株式会社オハラ | 情報磁気記憶媒体用高剛性ガラスセラミックス基板 |
| JP4086211B2 (ja) | 1998-04-17 | 2008-05-14 | Ｈｏｙａ株式会社 | ガラス組成物およびその製造方法 |
| JP4086210B2 (ja) * | 1998-04-17 | 2008-05-14 | Ｈｏｙａ株式会社 | 情報記録媒体用基板 |
| JP2001039732A (ja) | 1999-07-27 | 2001-02-13 | Ngk Insulators Ltd | 導電性ガラス組成物およびハードディスク用磁気記録媒体のアース用部品 |
| 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 |
| JP2001076336A (ja) * | 1999-09-08 | 2001-03-23 | Hoya Corp | 情報記録媒体用ガラス基板およびそれを用いた情報記録媒体 |
| WO2001021539A1 (en) | 1999-09-21 | 2001-03-29 | Kabushiki Kaisha Ohara | Holding member for information storage disk and information storage disk drive device |
| US6426311B1 (en) | 2000-02-01 | 2002-07-30 | Kabushiki Kaisha Ohara | Glass-ceramics |
| JP4136268B2 (ja) | 2000-04-26 | 2008-08-20 | Ｈｏｙａ株式会社 | ガラススペーサおよびそれを用いた情報記録装置 |
| US7964298B2 (en) * | 2002-10-29 | 2011-06-21 | Hoya Corporation | Glass for chemical strengthening, substrate for information recording media and information recording media |
| US8338319B2 (en) | 2008-12-22 | 2012-12-25 | Ocv Intellectual Capital, Llc | Composition for high performance glass fibers and fibers formed therewith |
| EP3178794A1 (en) * | 2006-06-08 | 2017-06-14 | Hoya Corporation | Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing method |
| JP4467597B2 (ja) * | 2007-04-06 | 2010-05-26 | 株式会社オハラ | 無機組成物物品 |
| JP4755135B2 (ja) * | 2007-04-27 | 2011-08-24 | 株式会社オハラ | 結晶化ガラス |
| JP5292028B2 (ja) | 2008-09-10 | 2013-09-18 | 株式会社オハラ | ガラス |
| EP2465828A4 (en) | 2009-08-10 | 2014-03-26 | Hoya Corp | GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING MEDIUM SUBSTRATE AND METHOD FOR PRODUCING THE SAME, AND MAGNETIC RECORDING MEDIUM |
| US20120052275A1 (en) * | 2010-08-30 | 2012-03-01 | Avanstrate Inc. | Glass substrate, chemically strengthened glass substrate and cover glass, and method for manufactruing the same |
| US8394516B2 (en) * | 2010-10-29 | 2013-03-12 | Hoya Corporation | Glass substrate for magnetic recording medium and magnetic recording medium |
| US8652660B2 (en) * | 2010-12-21 | 2014-02-18 | Hoya Corporation | Glass substrate for magnetic recording medium and its use |
| JP2012214356A (ja) * | 2010-12-29 | 2012-11-08 | Avanstrate Inc | カバーガラス及びその製造方法 |
| JP5737043B2 (ja) * | 2011-07-29 | 2015-06-17 | 旭硝子株式会社 | 基板用ガラスおよびガラス基板 |
| CN103874668A (zh) * | 2011-08-23 | 2014-06-18 | Hoya株式会社 | 强化玻璃基板的制造方法和强化玻璃基板 |
| SG188775A1 (en) * | 2011-09-30 | 2013-04-30 | Hoya Corp | Manufacturing method of glass substrate for magnetic disk, magnetic disk, and magnetic data recording/reproducing device |
| JP6147735B2 (ja) * | 2012-05-16 | 2017-06-14 | Hoya株式会社 | 磁気記録媒体基板用ガラスおよびその利用 |
| SG11201601609RA (en) * | 2013-09-09 | 2016-04-28 | Hoya Corp | Glass substrate |
| JP6131154B2 (ja) | 2013-09-11 | 2017-05-17 | Hoya株式会社 | 磁気記録媒体基板用ガラスおよび磁気記録媒体基板 |
| US10717670B2 (en) * | 2015-02-10 | 2020-07-21 | Nippon Sheet Glass Company, Limited | Glass for laser processing and method for producing perforated glass using same |
| JP6694074B2 (ja) * | 2016-11-14 | 2020-05-13 | 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 |
| CN116854364A (zh) * | 2018-05-16 | 2023-10-10 | Hoya株式会社 | 磁记录介质基板用玻璃和磁记录再生装置用玻璃间隔物 |
-
2017
- 2017-11-14 JP JP2018550300A patent/JP6694074B2/ja active Active
- 2017-11-14 US US16/349,795 patent/US11081133B2/en active Active
- 2017-11-14 SG SG10202102247RA patent/SG10202102247RA/en unknown
- 2017-11-14 CN CN201780069628.9A patent/CN109923083B/zh active Active
- 2017-11-14 CN CN202210793597.4A patent/CN115072991B/zh active Active
- 2017-11-14 WO PCT/JP2017/040833 patent/WO2018088563A1/ja not_active Ceased
-
2020
- 2020-04-16 JP JP2020073228A patent/JP7135024B2/ja active Active
-
2021
- 2021-06-24 US US17/357,281 patent/US11551714B2/en active Active
-
2022
- 2022-08-31 JP JP2022138270A patent/JP7454021B2/ja active Active
- 2022-12-06 US US18/075,606 patent/US12040003B2/en active Active
-
2024
- 2024-03-08 JP JP2024035418A patent/JP7734777B2/ja active Active
- 2024-06-04 US US18/732,851 patent/US20240321310A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN115072991B (zh) | 2024-07-19 |
| CN109923083B (zh) | 2022-07-26 |
| US20190362754A1 (en) | 2019-11-28 |
| US11551714B2 (en) | 2023-01-10 |
| US20210387896A1 (en) | 2021-12-16 |
| JPWO2018088563A1 (ja) | 2019-10-10 |
| WO2018088563A1 (ja) | 2018-05-17 |
| CN109923083A (zh) | 2019-06-21 |
| US20240321310A1 (en) | 2024-09-26 |
| JP2022180402A (ja) | 2022-12-06 |
| US11081133B2 (en) | 2021-08-03 |
| CN115072991A (zh) | 2022-09-20 |
| JP2020121920A (ja) | 2020-08-13 |
| US12040003B2 (en) | 2024-07-16 |
| JP7454021B2 (ja) | 2024-03-21 |
| JP7135024B2 (ja) | 2022-09-12 |
| JP2024069356A (ja) | 2024-05-21 |
| JP6694074B2 (ja) | 2020-05-13 |
| JP7734777B2 (ja) | 2025-09-05 |
| US20230103236A1 (en) | 2023-03-30 |
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