SG50768A1 - A glass ceramic substrate for a magnetic disk and a method for manufacturing the same - Google Patents
A glass ceramic substrate for a magnetic disk and a method for manufacturing the sameInfo
- Publication number
- SG50768A1 SG50768A1 SG1996010729A SG1996010729A SG50768A1 SG 50768 A1 SG50768 A1 SG 50768A1 SG 1996010729 A SG1996010729 A SG 1996010729A SG 1996010729 A SG1996010729 A SG 1996010729A SG 50768 A1 SG50768 A1 SG 50768A1
- Authority
- SG
- Singapore
- Prior art keywords
- manufacturing
- same
- magnetic disk
- ceramic substrate
- glass ceramic
- Prior art date
Links
Classifications
-
- 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
-
- 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
- C03C10/0009—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 silica as main constituent
-
- 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
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/0005—Other surface treatment of glass not in the form of fibres or filaments by irradiation
- C03C23/0025—Other surface treatment of glass not in the form of fibres or filaments by irradiation by a laser beam
-
- 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
- C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
-
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk carriers
-
- 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)
- Geochemistry & Mineralogy (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Glass Compositions (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30646795 | 1995-10-31 | ||
JP15597296 | 1996-05-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG50768A1 true SG50768A1 (en) | 1998-07-20 |
Family
ID=26483837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1996010729A SG50768A1 (en) | 1995-10-31 | 1996-09-18 | A glass ceramic substrate for a magnetic disk and a method for manufacturing the same |
Country Status (5)
Country | Link |
---|---|
KR (1) | KR100245281B1 (ko) |
CN (1) | CN1104005C (ko) |
MY (1) | MY116574A (ko) |
SG (1) | SG50768A1 (ko) |
TW (1) | TW445243B (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990057757A (ko) * | 1997-12-30 | 1999-07-15 | 윤종용 | 하드 디스크 |
CN101784497A (zh) | 2007-07-16 | 2010-07-21 | 康宁股份有限公司 | 用于局部可逆玻璃膨胀的方法 |
JP5053948B2 (ja) * | 2007-12-21 | 2012-10-24 | 株式会社オハラ | 結晶化ガラス |
CN111940894A (zh) * | 2019-04-30 | 2020-11-17 | 财团法人金属工业研究发展中心 | 二硅酸锂玻璃陶瓷的加工方法 |
Family Cites Families (2)
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 |
TW300879B (ko) * | 1993-11-10 | 1997-03-21 | Ibm |
-
1996
- 1996-09-05 TW TW085110827A patent/TW445243B/zh not_active IP Right Cessation
- 1996-09-18 SG SG1996010729A patent/SG50768A1/en unknown
- 1996-10-16 KR KR1019960046129A patent/KR100245281B1/ko not_active IP Right Cessation
- 1996-10-28 MY MYPI96004481A patent/MY116574A/en unknown
- 1996-10-31 CN CN96119226A patent/CN1104005C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR100245281B1 (ko) | 2000-02-15 |
TW445243B (en) | 2001-07-11 |
CN1167315A (zh) | 1997-12-10 |
CN1104005C (zh) | 2003-03-26 |
MY116574A (en) | 2004-02-28 |
KR970023003A (ko) | 1997-05-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2299991B (en) | Glass substrate for magnetic disk | |
EP0609861A3 (en) | Ceramic substrate and manufacturing process. | |
SG52914A1 (en) | A glass- ceramic substrate for a magnetic disk | |
EP0779612A4 (en) | MAGNETIC DISK CARRIER, MAGNETIC DISK AND METHOD FOR PRODUCING THE MAGNETIC DISK CARRIER | |
GB9400259D0 (en) | Substrate for a magnetic disc and manufacture thereof | |
SG45390A1 (en) | Glass substrate for a magnet disc and manufacture thereof | |
SG84541A1 (en) | Glass substrate for magnetic recording medium, magnetic recording medium, and method of manufacturing the same | |
AU6758300A (en) | Method for manufacturing a magnetic disk comprising a glass substrate | |
SG91259A1 (en) | Glass substrate for magnetic media and method of making the same | |
GB2293179B (en) | Coated substrate and process for its formation | |
AU5952298A (en) | Substrate and production method thereof | |
SG101458A1 (en) | Molded glass substrate for magnetic disk and method for manufacturing the same | |
SG65718A1 (en) | Glass substrate for information recording medium method of manufacturing the substrate magnetic recording medium using the glass substrate and method of manufacturing the medium | |
EP0676796A3 (en) | Semiconductor substrate and manufacturing process. | |
SG60012A1 (en) | Semiconductor substrate and fabrication method for the same | |
GB2303811B (en) | Method for producing a glass substrate for a magnetic disk | |
SG52985A1 (en) | Method for preparing a substrate for a magnetic disk | |
SG71048A1 (en) | Glass substrate magnetic recording medium and method of manufacturing the magnetic recording medium | |
SG80645A1 (en) | Glass-ceramic substrate for an information storage medium and a method for manufacturing the same | |
GB2329893B (en) | A composition for manufacturing silica glass and method for manufacturing silica glass using the same | |
SG73993A1 (en) | Process for manufacturing a crystallized glass substrate for magnetic discs | |
EP0503961A3 (en) | Method of fabricating glass substrate for disk | |
EP0770995A4 (en) | OPTICAL DISC AND MANUFACTURING METHOD | |
EP0772208A3 (en) | Coil and superconductive oxide and a method of making the same | |
SG44991A1 (en) | A ceramic electronic part and a method for manufacturing the same |