SG171527A1 - Glass substrate for information recording medium and magnetic disk - Google Patents
Glass substrate for information recording medium and magnetic diskInfo
- Publication number
- SG171527A1 SG171527A1 SG201007829-3A SG2010078293A SG171527A1 SG 171527 A1 SG171527 A1 SG 171527A1 SG 2010078293 A SG2010078293 A SG 2010078293A SG 171527 A1 SG171527 A1 SG 171527A1
- Authority
- SG
- Singapore
- Prior art keywords
- recording medium
- information recording
- glass substrate
- magnetic disk
- glass
- 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
-
- 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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009265079A JP5267436B2 (ja) | 2009-11-20 | 2009-11-20 | 情報記録媒体用ガラス基板および磁気ディスク |
Publications (1)
Publication Number | Publication Date |
---|---|
SG171527A1 true SG171527A1 (en) | 2011-06-29 |
Family
ID=44062306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG201007829-3A SG171527A1 (en) | 2009-11-20 | 2010-10-25 | Glass substrate for information recording medium and magnetic disk |
Country Status (4)
Country | Link |
---|---|
US (1) | US8349476B2 (ja) |
JP (1) | JP5267436B2 (ja) |
MY (1) | MY151552A (ja) |
SG (1) | SG171527A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5720499B2 (ja) | 2010-10-26 | 2015-05-20 | 旭硝子株式会社 | 基板用ガラスおよびガラス基板 |
JP5168387B2 (ja) * | 2011-06-08 | 2013-03-21 | 旭硝子株式会社 | 磁気記録媒体用ガラス基板の製造方法 |
US11097974B2 (en) | 2014-07-31 | 2021-08-24 | Corning Incorporated | Thermally strengthened consumer electronic glass and related systems and methods |
AU2015296243A1 (en) | 2014-07-31 | 2017-03-09 | Corning Incorporated | Thermally tempered glass and methods and apparatuses for thermal tempering of glass |
US10611664B2 (en) | 2014-07-31 | 2020-04-07 | Corning Incorporated | Thermally strengthened architectural glass and related systems and methods |
CN108698922B (zh) | 2016-01-12 | 2020-02-28 | 康宁股份有限公司 | 薄的热强化和化学强化的玻璃基制品 |
US11795102B2 (en) | 2016-01-26 | 2023-10-24 | Corning Incorporated | Non-contact coated glass and related coating system and method |
US11485673B2 (en) | 2017-08-24 | 2022-11-01 | Corning Incorporated | Glasses with improved tempering capabilities |
JPWO2019082616A1 (ja) | 2017-10-25 | 2020-11-19 | Agc株式会社 | 光学ガラス、光学部材およびウェアラブル機器 |
TWI785156B (zh) | 2017-11-30 | 2022-12-01 | 美商康寧公司 | 具有高熱膨脹係數及對於熱回火之優先破裂行為的非離子交換玻璃 |
CN114514115B (zh) | 2019-08-06 | 2023-09-01 | 康宁股份有限公司 | 具有用于阻止裂纹的埋入式应力尖峰的玻璃层压体及其制造方法 |
TW202146349A (zh) * | 2020-03-25 | 2021-12-16 | 日商安瀚視特控股股份有限公司 | 覆蓋玻璃 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2837005B2 (ja) | 1991-05-20 | 1998-12-14 | ホーヤ株式会社 | 化学強化用ガラス |
JP3875748B2 (ja) | 1996-08-02 | 2007-01-31 | Hoya株式会社 | ガラス板の製造方法及び製造装置 |
JP2002338283A (ja) * | 2001-05-21 | 2002-11-27 | Nippon Sheet Glass Co Ltd | ガラス基板の製造方法及び該製造方法により製造されたガラス基板 |
JP3995902B2 (ja) * | 2001-05-31 | 2007-10-24 | Hoya株式会社 | 情報記録媒体用ガラス基板及びそれを用いた磁気情報記録媒体 |
JP4453234B2 (ja) * | 2001-08-29 | 2010-04-21 | コニカミノルタオプト株式会社 | ハードディスク用ガラス基板およびその製造方法 |
US6917740B2 (en) * | 2003-05-30 | 2005-07-12 | Corning Incorporated | Optical fiber having reduced viscosity mismatch |
JP4923556B2 (ja) | 2005-12-16 | 2012-04-25 | 日本電気硝子株式会社 | 情報記録媒体用ガラス基板 |
US7833919B2 (en) * | 2006-02-10 | 2010-11-16 | Corning Incorporated | Glass compositions having high thermal and chemical stability and methods of making thereof |
JP4930838B2 (ja) * | 2006-05-15 | 2012-05-16 | 富士電機株式会社 | 情報記録媒体用ガラス基板および情報記録媒体 |
JP2008171472A (ja) * | 2007-01-09 | 2008-07-24 | Fuji Electric Device Technology Co Ltd | 情報記録媒体用ガラス基板の製造方法、磁気記録ディスクの製造方法および磁気記録ディスク |
US8329218B2 (en) * | 2007-03-01 | 2012-12-11 | Wisconsin Alumni Research Foundation | Unusually stable glasses and methods for forming same |
JP4556962B2 (ja) * | 2007-03-14 | 2010-10-06 | コニカミノルタオプト株式会社 | ブランク材の残留応力を低減する方法、ブランク材及び情報記録媒体用ガラス基板の製造方法 |
CN102442776A (zh) | 2007-03-23 | 2012-05-09 | 旭硝子株式会社 | 数据存储介质用基板玻璃及玻璃基板 |
JP5206261B2 (ja) * | 2007-10-26 | 2013-06-12 | 旭硝子株式会社 | 情報記録媒体基板用ガラス、磁気ディスク用ガラス基板および磁気ディスク |
JP5327702B2 (ja) * | 2008-01-21 | 2013-10-30 | 日本電気硝子株式会社 | ガラス基板の製造方法 |
JP5699434B2 (ja) | 2009-04-02 | 2015-04-08 | 旭硝子株式会社 | 情報記録媒体基板用ガラス、情報記録媒体用ガラス基板および磁気ディスク |
-
2009
- 2009-11-20 JP JP2009265079A patent/JP5267436B2/ja not_active Expired - Fee Related
-
2010
- 2010-10-21 US US12/909,221 patent/US8349476B2/en not_active Expired - Fee Related
- 2010-10-25 SG SG201007829-3A patent/SG171527A1/en unknown
- 2010-10-29 MY MYPI2010005103 patent/MY151552A/en unknown
Also Published As
Publication number | Publication date |
---|---|
US20110123833A1 (en) | 2011-05-26 |
US8349476B2 (en) | 2013-01-08 |
JP2011108344A (ja) | 2011-06-02 |
JP5267436B2 (ja) | 2013-08-21 |
MY151552A (en) | 2014-06-13 |
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