MY170842A - Hdd glass substrate - Google Patents
Hdd glass substrateInfo
- Publication number
- MY170842A MY170842A MYPI2014701597A MYPI2014701597A MY170842A MY 170842 A MY170842 A MY 170842A MY PI2014701597 A MYPI2014701597 A MY PI2014701597A MY PI2014701597 A MYPI2014701597 A MY PI2014701597A MY 170842 A MY170842 A MY 170842A
- Authority
- MY
- Malaysia
- Prior art keywords
- glass substrate
- na2o
- hdd glass
- hdd
- aho3
- 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
- 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
- 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
- C03C3/089—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
- C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
-
- 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)
- Surface Treatment Of Glass (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Abstract
A HDD glass substrate of the present invention is characterized in that it includes a glass composition having, by mo!%, the following content range: 60% to 75% of SiO2; 0.1 % to 6% of AhO3; 0% to 3% of B2O3; 0.1 % to 5% of LhO; 0.1 % to 6% of Na2O; 0.1% to 5% of K2O; 5% to 18% of MgO; 0.1% to 10% of CaO; 0% to 5% of ZnO; 0% to 5% of TiO2; and 0.1% to 5% of ZrO2, the glass composition satisfying the following conditions: 0.01 < (ZrO2 + TiO2)/(SiO2 + AhO3 + B2O3) < 0.15; 0.1 < Li20/(LhO + Na2O + K2O) < 0.8; and 0.3 mol% < (Li2O + Na2O + K2O) < 15 mol%.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011278407 | 2011-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MY170842A true MY170842A (en) | 2019-09-10 |
Family
ID=48668344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MYPI2014701597A MY170842A (en) | 2011-12-20 | 2012-12-10 | Hdd glass substrate |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6084577B2 (en) |
| CN (1) | CN104145305B (en) |
| MY (1) | MY170842A (en) |
| SG (1) | SG11201402808VA (en) |
| WO (1) | WO2013094450A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102549608B1 (en) * | 2016-09-16 | 2023-06-29 | 코닝 인코포레이티드 | High transmission glasses with alkaline earth oxides as modifiers |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4161509B2 (en) * | 1999-04-13 | 2008-10-08 | 旭硝子株式会社 | Glass for information recording medium substrate and glass substrate for information recording medium |
| JP3995902B2 (en) * | 2001-05-31 | 2007-10-24 | Ｈｏｙａ株式会社 | Glass substrate for information recording medium and magnetic information recording medium using the same |
| CN1650353B (en) * | 2002-06-03 | 2012-05-30 | Hoya株式会社 | Glass substrate for information recording media and information recording medium |
| JPWO2004041740A1 (en) * | 2002-11-07 | 2006-03-09 | Hoya株式会社 | SUBSTRATE FOR INFORMATION RECORDING MEDIUM, INFORMATION RECORDING MEDIUM, AND ITS MANUFACTURING METHOD |
| JP4716245B2 (en) * | 2004-11-11 | 2011-07-06 | 日本電気硝子株式会社 | Glass substrate and manufacturing method thereof |
| JP5068258B2 (en) * | 2006-06-08 | 2012-11-07 | Ｈｏｙａ株式会社 | GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM, INFORMATION RECORDING MEDIUM, AND METHOD FOR PRODUCING THEM |
| JPWO2011096310A1 (en) * | 2010-02-03 | 2013-06-10 | コニカミノルタアドバンストレイヤー株式会社 | Glass substrate for information recording medium, method for producing glass substrate for information recording medium, and information recording medium |
| CN102811957A (en) * | 2010-03-31 | 2012-12-05 | Hoya株式会社 | Method of manufacturing glass blank for magnetic recording medium glass substrate, method of manufacturing magnetic recording medium glass substrate, and method of manufacturing magnetic recording medium |
| JP5528907B2 (en) * | 2010-05-31 | 2014-06-25 | Ｈｏｙａ株式会社 | Glass substrate for heat-assisted recording medium |
-
2012
- 2012-12-10 WO PCT/JP2012/081901 patent/WO2013094450A1/en active Application Filing
- 2012-12-10 JP JP2013550225A patent/JP6084577B2/en active Active
- 2012-12-10 MY MYPI2014701597A patent/MY170842A/en unknown
- 2012-12-10 CN CN201280061678.XA patent/CN104145305B/en active Active
- 2012-12-10 SG SG11201402808VA patent/SG11201402808VA/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2013094450A1 (en) | 2015-04-27 |
| SG11201402808VA (en) | 2014-10-30 |
| CN104145305B (en) | 2016-11-23 |
| JP6084577B2 (en) | 2017-02-22 |
| CN104145305A (en) | 2014-11-12 |
| WO2013094450A1 (en) | 2013-06-27 |
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