JP4284763B2 - ガラス組成 - Google Patents
ガラス組成 Download PDFInfo
- Publication number
- JP4284763B2 JP4284763B2 JP20044599A JP20044599A JP4284763B2 JP 4284763 B2 JP4284763 B2 JP 4284763B2 JP 20044599 A JP20044599 A JP 20044599A JP 20044599 A JP20044599 A JP 20044599A JP 4284763 B2 JP4284763 B2 JP 4284763B2
- Authority
- JP
- Japan
- Prior art keywords
- composition
- glass
- hours
- composition ratio
- less
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000203 mixture Substances 0.000 title claims description 146
- 239000011521 glass Substances 0.000 title claims description 96
- 239000013078 crystal Substances 0.000 claims description 114
- 239000000758 substrate Substances 0.000 claims description 46
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 43
- 229910018068 Li 2 O Inorganic materials 0.000 claims description 41
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 39
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 10
- HZVVJJIYJKGMFL-UHFFFAOYSA-N almasilate Chemical group O.[Mg+2].[Al+3].[Al+3].O[Si](O)=O.O[Si](O)=O HZVVJJIYJKGMFL-UHFFFAOYSA-N 0.000 claims description 2
- 238000011282 treatment Methods 0.000 description 62
- 230000008018 melting Effects 0.000 description 50
- 238000002844 melting Methods 0.000 description 50
- 238000011221 initial treatment Methods 0.000 description 42
- 238000004519 manufacturing process Methods 0.000 description 35
- 238000002425 crystallisation Methods 0.000 description 25
- 230000008025 crystallization Effects 0.000 description 25
- 230000004907 flux Effects 0.000 description 25
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 24
- 239000002994 raw material Substances 0.000 description 21
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 20
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 20
- 229910052749 magnesium Inorganic materials 0.000 description 20
- 239000011777 magnesium Substances 0.000 description 20
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 16
- 239000000126 substance Substances 0.000 description 14
- 238000004140 cleaning Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 238000000465 moulding Methods 0.000 description 10
- 238000001556 precipitation Methods 0.000 description 10
- 238000004031 devitrification Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910052715 tantalum Inorganic materials 0.000 description 5
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000005352 clarification Methods 0.000 description 4
- 239000003484 crystal nucleating agent Substances 0.000 description 4
- 239000006025 fining agent Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000002667 nucleating agent Substances 0.000 description 4
- 238000007517 polishing process Methods 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 230000009257 reactivity Effects 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910018071 Li 2 O 2 Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- OJMOMXZKOWKUTA-UHFFFAOYSA-N aluminum;borate Chemical compound [Al+3].[O-]B([O-])[O-] OJMOMXZKOWKUTA-UHFFFAOYSA-N 0.000 description 1
- 239000005345 chemically strengthened glass Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007496 glass forming Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
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
- 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
- C03C10/0036—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 containing SiO2, Al2O3 and a divalent metal oxide as main constituents
- C03C10/0045—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 containing SiO2, Al2O3 and a divalent metal oxide as main constituents containing SiO2, Al2O3 and MgO as main constituents
-
- 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
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)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Glass Compositions (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20044599A JP4284763B2 (ja) | 1999-07-14 | 1999-07-14 | ガラス組成 |
| US09/616,026 US6569790B1 (en) | 1999-07-14 | 2000-07-13 | Glass-ceramic composition for recording disk substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20044599A JP4284763B2 (ja) | 1999-07-14 | 1999-07-14 | ガラス組成 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001026448A JP2001026448A (ja) | 2001-01-30 |
| JP2001026448A5 JP2001026448A5 (enExample) | 2005-11-10 |
| JP4284763B2 true JP4284763B2 (ja) | 2009-06-24 |
Family
ID=16424428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20044599A Expired - Fee Related JP4284763B2 (ja) | 1999-07-14 | 1999-07-14 | ガラス組成 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US6569790B1 (enExample) |
| JP (1) | JP4284763B2 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2019716B1 (en) * | 2016-10-13 | 2018-08-14 | Schott Ag | Cordierite glass-ceramic, production and use thereof |
Family Cites Families (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4042362A (en) | 1976-05-18 | 1977-08-16 | Corning Glass Works | Production of glass-ceramic articles |
| US4304603A (en) | 1980-08-11 | 1981-12-08 | Corning Glass Works | Glass-ceramic compositions designed for radomes |
| US4374931A (en) | 1982-01-08 | 1983-02-22 | Corning Glass Works | Photochromic glass suitable for ophthalmic applications |
| US4714687A (en) | 1986-10-27 | 1987-12-22 | Corning Glass Works | Glass-ceramics suitable for dielectric substrates |
| US5250474A (en) * | 1991-02-07 | 1993-10-05 | Schott Glaswerke | Glass powder which is crystallizable to yield a sintered glass ceramic containing hexagonal cordierite as the principal crystalline phase |
| US5219799A (en) | 1991-10-07 | 1993-06-15 | Corning Incorporated | Lithium disilicate-containing glass-ceramics some of which are self-glazing |
| US5498580A (en) * | 1993-03-30 | 1996-03-12 | Sumitomo Metal Industries Ltd. | Ceramic substrate and a method for producing the same |
| US5391522A (en) | 1993-05-19 | 1995-02-21 | Kabushiki Kaisya Ohara | Glass-ceramic for magnetic disks and method for manufacturing the same |
| US5626935A (en) | 1993-05-19 | 1997-05-06 | Kabushiki Kaisya Ohara | Magnetic disk substrate and method for manufacturing the same |
| EP0729924B1 (en) | 1993-05-19 | 2000-01-26 | Kabushiki Kaisha Ohara | Glass-ceramic for a magnetic disk substrate |
| JP2959363B2 (ja) | 1993-12-09 | 1999-10-06 | 株式会社オハラ | 磁気ディスク用着色結晶化ガラス |
| US5352638A (en) | 1994-02-22 | 1994-10-04 | Corning Incorporated | Nickel aluminosilicate glass-ceramics |
| US5489558A (en) | 1994-03-14 | 1996-02-06 | Corning Incorporated | Glasses for flat panel display |
| FR2726350B1 (fr) | 1994-10-14 | 1997-01-10 | Eurokera | Plaques pliees en vitroceramique, plaques de cuisson comportant une telle plaque pliee et procede de fabrication d'une plaque pliee en vitroceramique |
| US5476821A (en) | 1994-11-01 | 1995-12-19 | Corning Incorporated | High modulus glass-ceramics containing fine grained spinel-type crystals |
| US5532194A (en) * | 1994-11-18 | 1996-07-02 | Kabushiki Kaisya Ohara | Cordierite glass-ceramic and method for manufacturing the same |
| JP3327556B2 (ja) * | 1995-01-27 | 2002-09-24 | サーノフ コーポレイション | 低誘電損失ガラス |
| US5491116A (en) | 1995-04-03 | 1996-02-13 | Corning Incorporated | Fine-grained glass-ceramics |
| EP0736497A1 (en) | 1995-04-07 | 1996-10-09 | Corning Incorporated | Method and apparatus for molding glass |
| US5726108A (en) | 1995-07-24 | 1998-03-10 | Yamamura Glass Co., Ltd. | Glass-ceramic magnetic disk substrate |
| JPH10208226A (ja) | 1997-01-28 | 1998-08-07 | Yamamura Glass Co Ltd | 結晶化ガラス磁気ディスク基板 |
| US5786286A (en) | 1995-10-31 | 1998-07-28 | Corning Incorporated | Glass ceramic rear panel for emissive display |
| US5910459A (en) | 1995-10-31 | 1999-06-08 | Corning Incorporated | Glass-ceramic containing a stabilized hexacelsian crystal structure |
| JPH10226532A (ja) | 1995-12-28 | 1998-08-25 | Yamamura Glass Co Ltd | 磁気ディスク基板用ガラス組成物及び磁気ディスク基板 |
| KR100188901B1 (ko) | 1996-02-02 | 1999-06-01 | 가지카와 히로시 | 자기디스크용 결정화 유리기판 |
| JP3131138B2 (ja) | 1996-02-05 | 2001-01-31 | 株式会社オハラ | 磁気ディスク用結晶化ガラス基板 |
| JPH09314458A (ja) | 1996-05-27 | 1997-12-09 | Yamamura Glass Co Ltd | 結晶化ガラスの精密研磨方法 |
| US6214429B1 (en) * | 1996-09-04 | 2001-04-10 | Hoya Corporation | Disc substrates for information recording discs and magnetic discs |
| JP2001504434A (ja) * | 1996-11-21 | 2001-04-03 | コーニング インコーポレイテッド | β石英をベースとするガラスセラミック |
| JP3140702B2 (ja) | 1996-12-20 | 2001-03-05 | 日本碍子株式会社 | 磁気ディスク基板用結晶化ガラス、磁気ディスク基板および磁気ディスク |
| JP3098220B2 (ja) | 1997-04-28 | 2000-10-16 | 株式会社オハラ | 磁気情報記憶媒体用ガラスセラミック基板 |
| JPH1116142A (ja) | 1997-04-28 | 1999-01-22 | Ohara Inc | 磁気情報記憶媒体用ガラスセラミック基板 |
| US6344423B2 (en) * | 1998-02-26 | 2002-02-05 | Kabushiki Kaisha Ohara | High rigidity glass-ceramic substrate for a magnetic information storage medium |
| JP3311308B2 (ja) * | 1998-03-03 | 2002-08-05 | 株式会社オハラ | 垂直磁気記録媒体用ガラスセラミックス基板 |
| JP4072275B2 (ja) * | 1998-03-13 | 2008-04-09 | Ｈｏｙａ株式会社 | 結晶化ガラスからなる情報記録媒体用基板及び情報記録媒体 |
| JP3996294B2 (ja) | 1998-03-13 | 2007-10-24 | Ｈｏｙａ株式会社 | 結晶化ガラスからなる情報記録媒体用基板及び情報記録媒体 |
| EP1577275B1 (en) * | 1998-03-13 | 2008-12-17 | Hoya Corporation | Crystallized glass for information recording medium, crystallized glass substrate, and information recording medium using the crystallized glass |
| JP4074027B2 (ja) * | 1998-03-13 | 2008-04-09 | Ｈｏｙａ株式会社 | 結晶化ガラスからなる情報記録媒体用基板及び情報記録媒体 |
| FR2777559B1 (fr) | 1998-04-16 | 2000-07-13 | En Nom Collectif Eurokera Soc | Fabrication de plaques vitroceramiques a ouverture(s) au pourtour deforme ; plaques vitroceramiques deformees |
-
1999
- 1999-07-14 JP JP20044599A patent/JP4284763B2/ja not_active Expired - Fee Related
-
2000
- 2000-07-13 US US09/616,026 patent/US6569790B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001026448A (ja) | 2001-01-30 |
| US6569790B1 (en) | 2003-05-27 |
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