SG11201601369TA - Glass substrate for information recording media - Google Patents
Glass substrate for information recording mediaInfo
- Publication number
- SG11201601369TA SG11201601369TA SG11201601369TA SG11201601369TA SG11201601369TA SG 11201601369T A SG11201601369T A SG 11201601369TA SG 11201601369T A SG11201601369T A SG 11201601369TA SG 11201601369T A SG11201601369T A SG 11201601369TA SG 11201601369T A SG11201601369T A SG 11201601369TA
- Authority
- SG
- Singapore
- Prior art keywords
- glass substrate
- information recording
- recording media
- media
- information
- 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
- C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
-
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013179975 | 2013-08-30 | ||
| PCT/JP2014/072008 WO2015029902A1 (en) | 2013-08-30 | 2014-08-22 | Glass substrate for information recording media |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11201601369TA true SG11201601369TA (en) | 2016-03-30 |
Family
ID=52586461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11201601369TA SG11201601369TA (en) | 2013-08-30 | 2014-08-22 | Glass substrate for information recording media |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6052936B2 (en) |
| CN (1) | CN105473520B (en) |
| MY (1) | MY188043A (en) |
| SG (1) | SG11201601369TA (en) |
| WO (1) | WO2015029902A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7165655B2 (en) * | 2017-06-09 | 2022-11-04 | Hoya株式会社 | Glass for information recording medium substrate, information recording medium substrate, information recording medium and glass spacer for recording/reproducing device |
| KR20220108079A (en) * | 2019-11-26 | 2022-08-02 | 코닝 인코포레이티드 | Magnesium aluminosilicate glass with high fracture toughness |
| US11951713B2 (en) | 2020-12-10 | 2024-04-09 | Corning Incorporated | Glass with unique fracture behavior for vehicle windshield |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69902839T2 (en) * | 1998-04-28 | 2003-05-28 | Asahi Glass Co Ltd | Flat glass and substrate glass for electronics |
| 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 |
| JP4530618B2 (en) * | 2002-09-27 | 2010-08-25 | コニカミノルタオプト株式会社 | Glass composition and glass substrate |
| JP4430001B2 (en) * | 2005-11-01 | 2010-03-10 | 湖州大享玻璃制品有限公司 | Li2O-Al2O3-SiO2-MgO-K2O-F-based crystalline glass and crystallized glass, and method for producing the crystalline glass and crystallized glass |
| 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 |
| JP5613164B2 (en) * | 2009-09-28 | 2014-10-22 | Hoya株式会社 | Glass substrate for information recording medium and information recording medium |
| US8394516B2 (en) * | 2010-10-29 | 2013-03-12 | Hoya Corporation | Glass substrate for magnetic recording medium and magnetic recording medium |
| JP5737043B2 (en) * | 2011-07-29 | 2015-06-17 | 旭硝子株式会社 | Substrate glass and glass substrate |
-
2014
- 2014-08-22 CN CN201480046868.3A patent/CN105473520B/en active Active
- 2014-08-22 JP JP2015534178A patent/JP6052936B2/en active Active
- 2014-08-22 MY MYPI2016700695A patent/MY188043A/en unknown
- 2014-08-22 SG SG11201601369TA patent/SG11201601369TA/en unknown
- 2014-08-22 WO PCT/JP2014/072008 patent/WO2015029902A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2015029902A1 (en) | 2017-03-02 |
| MY188043A (en) | 2021-11-11 |
| CN105473520B (en) | 2018-11-06 |
| JP6052936B2 (en) | 2016-12-27 |
| WO2015029902A1 (en) | 2015-03-05 |
| CN105473520A (en) | 2016-04-06 |
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