MY157935A - Glass for information recording media substrate - Google Patents
Glass for information recording media substrateInfo
- Publication number
- MY157935A MY157935A MYPI20092011A MYPI20092011A MY157935A MY 157935 A MY157935 A MY 157935A MY PI20092011 A MYPI20092011 A MY PI20092011A MY PI20092011 A MYPI20092011 A MY PI20092011A MY 157935 A MY157935 A MY 157935A
- Authority
- MY
- Malaysia
- Prior art keywords
- glass
- information recording
- recording media
- media substrate
- contained
- Prior art date
Links
- 239000000758 substrate Substances 0.000 title abstract 5
- 239000011521 glass Substances 0.000 title 1
- 230000009477 glass transition Effects 0.000 abstract 2
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
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Glass Compositions (AREA)
- Magnetic Record Carriers (AREA)
Abstract
23 GLASS FOR INFORMATION RECORDING MEDIA SUBSTRATE ABSTPLACT TO PROVIDE A GLASS FOR AN INFORMATION RECORDING MEDIA SUBSTRATE, WHICH HAS A HIGH GLASS TRANSITION 5 TEMPERATURE. A GLASS FOR AN INFORMATION RECORDING MEDIA SUBSTRATE, WHICH COMPRISES, AS REPRESENTED BY MOL% BASED ON OXIDE, FROM 55 TO 75% OF SIO2, FROM 1 TO 12% OF A1203, FROM 2 TO 15% OF MGO, FROM 0 TO 1.5% OF CAO, FROM 1 TO 20% OF NA2O 10 AND/OR K20 AND FROM 0 TO 8% OF TIO2, WHEREIN IN A CASE WHERE BAO IS CONTAINED, ITS CONTENT IS AT MOST 2%, IN A CASE WHERE LI2O IS CONTAINED, ITS CONTENT IS AT MOST 1%, AND IN A CASE WHERE ZRO2 IS CONTAINED, ITS CONTENT IS AT MOST O.S%. A GLASS FOR AN INFORMATION RECORDING MEDIA 15 SUBSTRATE WHICH HAS A GLASS TRANSITION TEMPERATURE OF AT LEAST 6000C.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006315122 | 2006-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MY157935A true MY157935A (en) | 2016-08-15 |
Family
ID=39429778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MYPI20092011A MY157935A (en) | 2006-11-22 | 2007-11-21 | Glass for information recording media substrate |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5396859B2 (en) |
| CN (1) | CN101541696A (en) |
| MY (1) | MY157935A (en) |
| WO (1) | WO2008062847A1 (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5263152B2 (en) | 2007-03-23 | 2013-08-14 | 旭硝子株式会社 | Substrate glass and glass substrate for data storage media |
| JP5206261B2 (en) | 2007-10-26 | 2013-06-12 | 旭硝子株式会社 | Glass for information recording medium substrate, glass substrate for magnetic disk and magnetic disk |
| CN101622205B (en) | 2008-01-28 | 2012-09-26 | 旭硝子株式会社 | Glass for data storage media substrates, glass substrates for data storage media, and magnetic disks |
| DE202009018700U1 (en) | 2008-02-26 | 2012-11-20 | Corning Incorporated | Refining agent for silicate glasses |
| JP5614607B2 (en) * | 2008-08-04 | 2014-10-29 | 日本電気硝子株式会社 | Tempered glass and method for producing the same |
| JP5904239B2 (en) * | 2009-04-02 | 2016-04-13 | 旭硝子株式会社 | Glass for information recording medium substrate, glass substrate for information recording medium and magnetic disk |
| JP5699434B2 (en) | 2009-04-02 | 2015-04-08 | 旭硝子株式会社 | Glass for information recording medium substrate, glass substrate for information recording medium and magnetic disk |
| EP2465828A4 (en) | 2009-08-10 | 2014-03-26 | Hoya Corp | Glass for magnetic recording medium substrate, magnetic recording medium substrate and method for producing same, and magnetic recording medium |
| WO2012043482A1 (en) | 2010-09-27 | 2012-04-05 | 旭硝子株式会社 | Glass for chemical strengthening, chemically strengthened glass, and glass plate for display device |
| JP5880439B2 (en) * | 2010-10-27 | 2016-03-09 | 旭硝子株式会社 | Glass plate and method for producing the same |
| US8394516B2 (en) * | 2010-10-29 | 2013-03-12 | Hoya Corporation | Glass substrate for magnetic recording medium and magnetic recording medium |
| JPWO2013047246A1 (en) * | 2011-09-30 | 2015-03-26 | 旭硝子株式会社 | CdTe solar cell glass substrate and solar cell using the same |
| MX366947B (en) | 2011-10-25 | 2019-07-30 | Corning Inc | Alkaline earth alumino-silicate glass compositions with improved chemical and mechanical durability. |
| EP3305737B1 (en) | 2011-10-25 | 2020-02-12 | Corning Incorporated | Glass compositions with improved chemical and mechanical durability |
| JP6147735B2 (en) | 2012-05-16 | 2017-06-14 | Hoya株式会社 | Glass for magnetic recording medium substrate and use thereof |
| US10273048B2 (en) | 2012-06-07 | 2019-04-30 | Corning Incorporated | Delamination resistant glass containers with heat-tolerant coatings |
| WO2014148020A1 (en) * | 2013-03-22 | 2014-09-25 | 日本板硝子株式会社 | Glass composition, glass composition for chemical strengthening, reinforced glass article, and cover glass for display |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19616633C1 (en) * | 1996-04-26 | 1997-05-07 | Schott Glaswerke | Chemically toughenable alumino-silicate glass |
| JPH11191212A (en) * | 1997-12-25 | 1999-07-13 | Toshitomo Morisane | High strength smooth glass substrate |
| JP2001294441A (en) * | 2000-04-11 | 2001-10-23 | Asahi Glass Co Ltd | Glass for substrates |
| JP2001348246A (en) * | 2000-06-01 | 2001-12-18 | Asahi Glass Co Ltd | Glass for substrates and glass substrates |
| JP4572453B2 (en) * | 2000-07-19 | 2010-11-04 | 旭硝子株式会社 | Information recording medium substrate glass and information recording medium glass substrate |
-
2007
- 2007-11-21 CN CNA2007800434511A patent/CN101541696A/en active Pending
- 2007-11-21 JP JP2008545441A patent/JP5396859B2/en not_active Expired - Fee Related
- 2007-11-21 MY MYPI20092011A patent/MY157935A/en unknown
- 2007-11-21 WO PCT/JP2007/072590 patent/WO2008062847A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN101541696A (en) | 2009-09-23 |
| JP5396859B2 (en) | 2014-01-22 |
| JPWO2008062847A1 (en) | 2010-03-04 |
| WO2008062847A1 (en) | 2008-05-29 |
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