CN1125789C - 一种高强度磁盘基板用微晶玻璃及其制造方法 - Google Patents
一种高强度磁盘基板用微晶玻璃及其制造方法 Download PDFInfo
- Publication number
- CN1125789C CN1125789C CN00114568A CN00114568A CN1125789C CN 1125789 C CN1125789 C CN 1125789C CN 00114568 A CN00114568 A CN 00114568A CN 00114568 A CN00114568 A CN 00114568A CN 1125789 C CN1125789 C CN 1125789C
- Authority
- CN
- China
- Prior art keywords
- glass
- temperature
- devitrified glass
- magnetic disc
- devitrified
- 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
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
- C03C10/0018—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 monovalent metal oxide as main constituents
- C03C10/0027—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 monovalent metal oxide as main constituents containing SiO2, Al2O3, Li2O as main constituents
-
- 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
-
- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
Description
Claims (3)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN00114568A CN1125789C (zh) | 2000-05-16 | 2000-05-16 | 一种高强度磁盘基板用微晶玻璃及其制造方法 |
US09/859,036 US6703332B2 (en) | 2000-05-16 | 2001-05-16 | Glass-ceramic for substrate of magnetic disk having higher strength and process for the production of the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN00114568A CN1125789C (zh) | 2000-05-16 | 2000-05-16 | 一种高强度磁盘基板用微晶玻璃及其制造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1274691A CN1274691A (zh) | 2000-11-29 |
CN1125789C true CN1125789C (zh) | 2003-10-29 |
Family
ID=4584228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN00114568A Expired - Fee Related CN1125789C (zh) | 2000-05-16 | 2000-05-16 | 一种高强度磁盘基板用微晶玻璃及其制造方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6703332B2 (zh) |
CN (1) | CN1125789C (zh) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4252956B2 (ja) * | 2002-10-29 | 2009-04-08 | Hoya株式会社 | 化学強化用ガラス、情報記録媒体用基板、情報記録媒体及び情報記録媒体の製造方法 |
US8444756B2 (en) | 2003-08-07 | 2013-05-21 | Ivoclar Vivadent Ag | Lithium silicate materials |
KR101121798B1 (ko) * | 2004-08-18 | 2012-03-20 | 코닝 인코포레이티드 | 고 변형 유리/유리-세라믹 함유 반도체-온-절연체 구조물 |
PT1688398E (pt) | 2005-02-08 | 2014-07-25 | Ivoclar Vivadent Ag | Vitrocerâmica de silicato de lítio |
DE102007011337A1 (de) | 2007-03-06 | 2008-09-11 | Hermsdorfer Institut Für Technische Keramik E.V. | Verblendkeramik für dentale Restaurationen aus yttriumstabilisiertem Zirkoniumdioxid und Verfahren zur Verblendung von dentalen Restaurationen aus yttriumstabilisiertem Zirkoniumdioxid |
JP5053948B2 (ja) * | 2007-12-21 | 2012-10-24 | 株式会社オハラ | 結晶化ガラス |
WO2009096120A1 (ja) * | 2008-01-28 | 2009-08-06 | Asahi Glass Company, Limited | データ記憶媒体基板用ガラス、データ記憶媒体用ガラス基板および磁気ディスク |
US20110019308A1 (en) * | 2008-03-28 | 2011-01-27 | Showa Denko K.K. | Perpendicular magnetic recording medium, method of manufacturing perpendicular magnetic recording medium, and magnetic recording/reproducing apparatus |
JP4559523B2 (ja) * | 2009-02-24 | 2010-10-06 | 株式会社オハラ | 情報記録媒体用ガラス基板およびその製造方法 |
DE102009060274A1 (de) | 2009-12-23 | 2011-06-30 | DeguDent GmbH, 63457 | Lithiumdisilikat-Glaskeramik, Verfahren zu deren Herstellung und deren Verwendung |
ES2581452T3 (es) | 2010-04-16 | 2016-09-05 | Ivoclar Vivadent Ag | Vitrocerámica y vidrio de silicato de litio con óxido de metal de transición |
US8865606B2 (en) | 2010-04-16 | 2014-10-21 | Ivoclar Vivadent Ag | Process for the preparation of dental restorations |
DE102010050275A1 (de) * | 2010-11-02 | 2012-05-03 | Degudent Gmbh | Lithiumsilikat-Gläser oder -Glaskeramiken, Verfahren zu deren Herstellung sowie deren Verwendung |
JP5926808B2 (ja) * | 2011-10-14 | 2016-05-25 | イフォクレール ヴィヴァデント アクチェンゲゼルシャフトIvoclar Vivadent AG | 三価の金属酸化物を含むケイ酸リチウムガラスセラミックおよびガラス |
RU2017112372A (ru) * | 2011-10-14 | 2019-01-24 | Ивоклар Вивадент Аг | Литиево-силикатные стеклокерамика и стекло с оксидом двухвалентного металла |
HUE027255T2 (en) | 2011-10-14 | 2016-10-28 | Ivoclar Vivadent Ag | Lithium silicate glass ceramic and lithium silicate glass containing four-valent metal oxide |
CN104334509B (zh) | 2012-05-11 | 2018-01-02 | 义获嘉伟瓦登特公司 | 用于牙科目的的预烧结坯料 |
CN105198223B (zh) * | 2015-10-28 | 2016-08-17 | 张琨 | 一种适用于汽车工业的微晶玻璃及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1158472A (zh) * | 1996-02-26 | 1997-09-03 | 日本碍子株式会社 | 磁盘用基片、磁盘及磁盘用基片的制造方法 |
EP0941973A2 (en) * | 1998-03-13 | 1999-09-15 | Hoya Corporation | Crystallized glass for information recording medium, crystallized glass substrate, and information recording medium using the crystallized glass substrate |
CN1251355A (zh) * | 1998-08-10 | 2000-04-26 | 株式会社小原 | 用于磁信息存储媒体的玻璃陶瓷基板 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JP2799544B2 (ja) | 1994-04-28 | 1998-09-17 | 株式会社オハラ | 情報記録ディスク用結晶化ガラス |
US5726108A (en) | 1995-07-24 | 1998-03-10 | Yamamura Glass Co., Ltd. | Glass-ceramic magnetic disk substrate |
US5691256A (en) | 1995-12-28 | 1997-11-25 | Yamamura Glass Co., Ltd. | Glass composition for magnetic disk substrates and magnetic disk substrate |
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 |
JP4323598B2 (ja) | 1998-12-03 | 2009-09-02 | Hoya株式会社 | 情報記録ディスク用結晶化ガラス |
JP4323597B2 (ja) * | 1998-12-03 | 2009-09-02 | Hoya株式会社 | 情報記録ディスク用結晶化ガラス及びその製造方法 |
JP4158282B2 (ja) * | 1999-07-06 | 2008-10-01 | コニカミノルタオプト株式会社 | 磁気ディスク用結晶化ガラス基板 |
JP4849702B2 (ja) * | 1999-07-06 | 2012-01-11 | コニカミノルタオプト株式会社 | 結晶化ガラス |
JP4831854B2 (ja) * | 1999-07-06 | 2011-12-07 | コニカミノルタオプト株式会社 | 結晶化ガラス組成物 |
JP4207358B2 (ja) * | 2000-04-03 | 2009-01-14 | コニカミノルタオプト株式会社 | ガラス組成 |
-
2000
- 2000-05-16 CN CN00114568A patent/CN1125789C/zh not_active Expired - Fee Related
-
2001
- 2001-05-16 US US09/859,036 patent/US6703332B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1158472A (zh) * | 1996-02-26 | 1997-09-03 | 日本碍子株式会社 | 磁盘用基片、磁盘及磁盘用基片的制造方法 |
EP0941973A2 (en) * | 1998-03-13 | 1999-09-15 | Hoya Corporation | Crystallized glass for information recording medium, crystallized glass substrate, and information recording medium using the crystallized glass substrate |
CN1251355A (zh) * | 1998-08-10 | 2000-04-26 | 株式会社小原 | 用于磁信息存储媒体的玻璃陶瓷基板 |
Also Published As
Publication number | Publication date |
---|---|
US20020009600A1 (en) | 2002-01-24 |
CN1274691A (zh) | 2000-11-29 |
US6703332B2 (en) | 2004-03-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
ASS | Succession or assignment of patent right |
Owner name: HUBEI XINHUA OPTICAL INFORMATION MATERIALS CO., L Free format text: FORMER OWNER: HUABEI HUAGUANG EQUIPMENT FACTORY |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT INVENTOR; FROM: HUANG SHAOLIN; ZHAN ZUSHENG; CAO YOUMING; TO: PENG BO; HUANG SHAOLIN; ZHAN ZUSHENG; CAO YOUMING Effective date: 20010928 |
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TA01 | Transfer of patent application right |
Effective date of registration: 20010928 Applicant after: Hubei New HuaGuang Information Materials Co., Ltd. Inventor after: Peng Bo Inventor after: Huang Shaolin Inventor after: Zhan Zusheng Inventor after: Cao Youming Applicant before: Huaguang Equipment and Meterial Factory, Hubei Prov Inventor before: Huang Shaolin Inventor before: Zhan Zusheng Inventor before: Cao Youming |
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ASS | Succession or assignment of patent right |
Owner name: HUBEI XINHUA OPTICAL INFORMATION MATERIALS CO., L Free format text: FORMER OWNER: HUABEI HUAGUANG EQUIPMENT FACTORY |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT INVENTOR; FROM: HUANG SHAOLIN; ZHAN ZUSHENG; CAO YOUMING; TO: PENG BO; HUANG SHAOLIN; ZHAN ZUSHENG; CAO YOUMING Effective date: 20020104 |
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TA01 | Transfer of patent application right |
Effective date of registration: 20020104 Applicant after: Hubei New HuaGuang Information Materials Co., Ltd. Inventor after: Peng Bo Inventor after: Huang Shaolin Inventor after: Zhan Zusheng Inventor after: Cao Youming Applicant before: Huaguang Equipment and Meterial Factory, Hubei Prov Inventor before: Huang Shaolin Inventor before: Zhan Zusheng Inventor before: Cao Youming |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HUBEI NEW HUAGUANG INFORMATION MATERIALS CO., LTD. Free format text: FORMER OWNER: HUBEI NEW HUAGUANG INFORMATION MATERIALS CO., LTD. Effective date: 20110422 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 441003 MAILBOX 176, XIANGFAN CITY, HUBEI PROVINCE TO: 441057 NO. 67 (MAILBOX 176, XIANGFAN CITY), CHANGHONG NORTH ROAD, XIANGFAN CITY, HUBEI PROVINCE |
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TR01 | Transfer of patent right |
Effective date of registration: 20110422 Address after: 441057 No. 67, Changhong North Road, Xiangfan, Hubei (176 mailbox, Xiangfan city) Patentee after: Hubei New Huaguang Information Materials Co., Ltd. Address before: 176 mailbox 441003, Hubei City, Xiangfan Province Patentee before: Hubei New HuaGuang Information Materials Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031029 Termination date: 20160516 |