SG10201701244VA - Disk-shaped glass substrate, magnetic-disk glass substrate, method for manufacturing magnetic-disk glass substrate, and magnetic disk - Google Patents
Disk-shaped glass substrate, magnetic-disk glass substrate, method for manufacturing magnetic-disk glass substrate, and magnetic diskInfo
- Publication number
- SG10201701244VA SG10201701244VA SG10201701244VA SG10201701244VA SG10201701244VA SG 10201701244V A SG10201701244V A SG 10201701244VA SG 10201701244V A SG10201701244V A SG 10201701244VA SG 10201701244V A SG10201701244V A SG 10201701244VA SG 10201701244V A SG10201701244V A SG 10201701244VA
- Authority
- SG
- Singapore
- Prior art keywords
- disk
- glass substrate
- magnetic
- manufacturing
- shaped
- Prior art date
Links
- 239000011521 glass Substances 0.000 title 3
- 239000000758 substrate Substances 0.000 title 3
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/005—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents using brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/065—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of thin, brittle parts, e.g. semiconductors, wafers
-
- 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
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0081—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition having a magnetic crystal phase
-
- 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
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Magnetic Record Carriers (AREA)
- Surface Treatment Of Glass (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013135380 | 2013-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG10201701244VA true SG10201701244VA (en) | 2017-04-27 |
Family
ID=52142042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG10201701244VA SG10201701244VA (en) | 2013-06-27 | 2014-06-27 | Disk-shaped glass substrate, magnetic-disk glass substrate, method for manufacturing magnetic-disk glass substrate, and magnetic disk |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9697862B2 (enrdf_load_stackoverflow) |
| JP (2) | JP5912002B2 (enrdf_load_stackoverflow) |
| CN (1) | CN105164751B (enrdf_load_stackoverflow) |
| MY (2) | MY176681A (enrdf_load_stackoverflow) |
| SG (1) | SG10201701244VA (enrdf_load_stackoverflow) |
| WO (1) | WO2014208717A1 (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6020753B1 (ja) * | 2015-12-28 | 2016-11-02 | 旭硝子株式会社 | 磁気記録媒体用ガラス基板、磁気記録媒体 |
| SG11201908016WA (en) | 2017-06-30 | 2019-09-27 | Hoya Corp | Substrate for magnetic disks, and magnetic disk |
| TWI727683B (zh) * | 2020-02-27 | 2021-05-11 | 態金材料科技股份有限公司 | 抗反射光學玻璃之製法及其製品 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07230621A (ja) * | 1993-07-07 | 1995-08-29 | A G Technol Kk | 磁気ディスク用ガラス基板およびその製造方法 |
| US5569518A (en) * | 1993-07-07 | 1996-10-29 | Ag Technology Co., Ltd. | Glass substrate for a magnetic disk with roughened edges |
| JP4250385B2 (ja) | 2002-08-09 | 2009-04-08 | Ｈｏｙａ株式会社 | 情報記録媒体用ガラス基板の製造方法、及び情報記録媒体用ガラス基板の研削装置 |
| WO2005005099A1 (ja) * | 2003-07-15 | 2005-01-20 | Hoya Corporation | 磁気ディスク用基板の製造方法、磁気ディスク用基板の製造装置及び磁気ディスクの製造方法 |
| US7727645B2 (en) * | 2005-07-08 | 2010-06-01 | Showa Denko K.K. | Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording and reproducing apparatus |
| MY163763A (en) * | 2007-02-20 | 2017-10-31 | Hoya Corp | Magnetic disk substrate, magnetic disk, and magnetic disk device |
| JP5361185B2 (ja) * | 2007-12-25 | 2013-12-04 | Ｈｏｙａ株式会社 | 磁気ディスク用ガラス基板の製造方法 |
| JP2011198429A (ja) * | 2010-03-23 | 2011-10-06 | Hoya Corp | 磁気ディスク用ガラス基板およびその評価方法 |
| MY163632A (en) * | 2010-08-31 | 2017-10-13 | Hoya Corp | Method for manufacturing glass substrate for magnetic disk and method for manufacturing magnetic disk |
| JP5902914B2 (ja) * | 2010-11-02 | 2016-04-13 | Hoya株式会社 | 磁気ディスク用ガラス基板の製造方法 |
| JP5335983B2 (ja) * | 2011-10-05 | 2013-11-06 | Ｈｏｙａ株式会社 | 磁気ディスク用ガラス基板および磁気記録媒体 |
| WO2014034251A1 (ja) * | 2012-08-29 | 2014-03-06 | Hoya株式会社 | 磁気ディスク用ガラス基板、磁気ディスク |
-
2014
- 2014-06-27 WO PCT/JP2014/067134 patent/WO2014208717A1/ja active Application Filing
- 2014-06-27 CN CN201480023887.4A patent/CN105164751B/zh active Active
- 2014-06-27 US US14/894,859 patent/US9697862B2/en active Active
- 2014-06-27 SG SG10201701244VA patent/SG10201701244VA/en unknown
- 2014-06-27 MY MYPI2018001352A patent/MY176681A/en unknown
- 2014-06-27 JP JP2015524129A patent/JP5912002B2/ja active Active
- 2014-06-27 MY MYPI2015704252A patent/MY167362A/en unknown
-
2016
- 2016-03-30 JP JP2016068328A patent/JP6360512B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2014208717A1 (ja) | 2017-02-23 |
| CN105164751A (zh) | 2015-12-16 |
| MY167362A (en) | 2018-08-16 |
| JP5912002B2 (ja) | 2016-04-27 |
| US20160163344A1 (en) | 2016-06-09 |
| JP2016146231A (ja) | 2016-08-12 |
| JP6360512B2 (ja) | 2018-07-18 |
| MY176681A (en) | 2020-08-19 |
| WO2014208717A1 (ja) | 2014-12-31 |
| CN105164751B (zh) | 2018-11-13 |
| US9697862B2 (en) | 2017-07-04 |
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