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SG91259A1 - Glass substrate for magnetic media and method of making the same - Google Patents

Glass substrate for magnetic media and method of making the same

Info

Publication number
SG91259A1
SG91259A1 SG200001124A SG200001124A SG91259A1 SG 91259 A1 SG91259 A1 SG 91259A1 SG 200001124 A SG200001124 A SG 200001124A SG 200001124 A SG200001124 A SG 200001124A SG 91259 A1 SG91259 A1 SG 91259A1
Authority
SG
Singapore
Prior art keywords
making
same
glass substrate
magnetic media
media
Prior art date
Application number
SG200001124A
Other languages
English (en)
Inventor
H Bajorek Christopher
C Tolle Michael
Original Assignee
Komag Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Komag Inc filed Critical Komag Inc
Publication of SG91259A1 publication Critical patent/SG91259A1/en

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
    • C03C19/00—Surface treatment of glass, not in the form of fibres or filaments, by mechanical means
    • 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)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Surface Treatment Of Glass (AREA)
SG200001124A 1999-03-04 2000-03-01 Glass substrate for magnetic media and method of making the same SG91259A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/262,365 US20010049031A1 (en) 1999-03-04 1999-03-04 Glass substrate for magnetic media and method of making the same

Publications (1)

Publication Number Publication Date
SG91259A1 true SG91259A1 (en) 2002-09-17

Family

ID=22997182

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200001124A SG91259A1 (en) 1999-03-04 2000-03-01 Glass substrate for magnetic media and method of making the same

Country Status (6)

Country Link
US (1) US20010049031A1 (de)
EP (1) EP1033351B1 (de)
JP (1) JP4432199B2 (de)
DE (1) DE60011163T2 (de)
MY (1) MY125197A (de)
SG (1) SG91259A1 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001266329A (ja) * 2000-03-16 2001-09-28 Minolta Co Ltd ディスク媒体用ガラス基板
AU2001266071A1 (en) * 2000-06-21 2001-11-12 Carl-Zeiss-Stiftung Trading As Schott Glas Method for working glass sheets
WO2002076675A1 (en) * 2001-03-27 2002-10-03 Nippon Sheet Glass Co., Ltd. Substrate for information recording medium and production method thereof, information recording medium, and glass blank sheet
US6860795B2 (en) * 2001-09-17 2005-03-01 Hitachi Global Storage Technologies Netherlands B.V. Edge finishing process for glass or ceramic disks used in disk drive data storage devices
US7083871B2 (en) 2002-05-09 2006-08-01 Maxtor Corporation Single-sided sputtered magnetic recording disks
US7628895B2 (en) 2002-05-09 2009-12-08 Seagate Technology Llc W-patterned tools for transporting/handling pairs of disks
US7600359B2 (en) * 2002-05-09 2009-10-13 Seagate Technology Llc Method of merging two disks concentrically without gap between disks
MY138480A (en) * 2002-05-09 2009-06-30 Maxtor Corp Method of simultaneous two-disk processing of single-sided magnetic recording disks
US7180709B2 (en) 2002-05-09 2007-02-20 Maxtor Corporation Information-storage media with dissimilar outer diameter and/or inner diameter chamfer designs on two sides
US7748532B2 (en) 2002-10-10 2010-07-06 Seagate Technology Llc Cassette for holding disks of different diameters
JP2006092722A (ja) * 2004-08-27 2006-04-06 Showa Denko Kk 磁気ディスク用基板および磁気ディスクの製造方法
US20080193801A1 (en) * 2004-08-30 2008-08-14 Showa Denko K.K. Glass Substrate for Magnetic Recording Medium and Magnetic Recording Medium
JP2006099939A (ja) * 2004-08-31 2006-04-13 Asahi Glass Co Ltd 磁気ディスク用ガラス基板。
US7882616B1 (en) 2004-09-02 2011-02-08 Seagate Technology Llc Manufacturing single-sided storage media
US7355814B1 (en) 2004-09-02 2008-04-08 Maxtor Corporation Disk texture located in load/unload zone of disk for cleaning contamination and disk lubricant from head ABS surface
US7618895B2 (en) * 2004-12-06 2009-11-17 Asahi Glass Company, Limited Method for etching doughnut-type glass substrates
JP2006164373A (ja) * 2004-12-06 2006-06-22 Asahi Glass Co Ltd ドーナツ状ガラス基板のコーティング方法。
JP4079152B2 (ja) * 2005-01-25 2008-04-23 旭硝子株式会社 ドーナツ状ガラス基板を作成する方法
JP2006294099A (ja) * 2005-04-07 2006-10-26 Asahi Glass Co Ltd 磁気記録媒体用ガラス基板の周面研磨装置及び製造方法
JP2008166805A (ja) * 2006-12-29 2008-07-17 Siltron Inc 高平坦度シリコンウェハーの製造方法
US8734967B2 (en) * 2008-06-30 2014-05-27 Hoya Corporation Substrate for magnetic disk and magnetic disk
MY186233A (en) * 2008-09-30 2021-06-30 Hoya Corp Glass substrate for a magnetic disk and magnetic disk
US20100247976A1 (en) * 2009-03-30 2010-09-30 Hoya Corporation Glass substrate for a magnetic disk and method of manufacturing the same
JP2012064295A (ja) * 2009-11-10 2012-03-29 Showa Denko Kk 磁気記録媒体用ガラス基板の製造方法
JP5624829B2 (ja) * 2010-08-17 2014-11-12 昭和電工株式会社 磁気記録媒体用ガラス基板の製造方法
JP2012089221A (ja) * 2010-10-22 2012-05-10 Showa Denko Kk 磁気記録媒体用ガラス基板の製造方法
US8806895B2 (en) * 2010-12-09 2014-08-19 Hoya Corporation Manufacturing method for a glass substrate for magnetic disk
JP2012160252A (ja) 2011-01-31 2012-08-23 Hoya Corp 磁気ディスク用ガラス基板の製造方法
US8980115B2 (en) * 2011-09-16 2015-03-17 Amazon Technologies, Inc. Cover glass for electronic devices
US9410358B2 (en) 2011-12-05 2016-08-09 Rayotek Scientific, Inc. Vacuum insulated glass panel with spacers coated with micro particles and method of forming same
US9187947B2 (en) 2011-12-05 2015-11-17 Rayotek Scientific, Inc. Method of forming a vacuum insulated glass panel spacer
WO2013085480A1 (en) * 2011-12-05 2013-06-13 Rayotek Scientific, Inc. Vacuum insulated glass panel with spacers having improved characteristics and method of forming same
US8896964B1 (en) 2013-05-16 2014-11-25 Seagate Technology Llc Enlarged substrate for magnetic recording medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843345A (en) * 1973-03-06 1974-10-22 Ppg Industries Inc Method and apparatus for delivery of molten glass to a float forming process
DE3528386A1 (de) * 1985-08-07 1987-02-12 Flachglas Ag Windschutzscheibe fuer kraftfahrzeuge sowie verfahren zu ihrer herstellung
US5059232A (en) * 1989-07-04 1991-10-22 Nippon Sheet Glass Co., Ltd. Method of manufacturing glass by using a float bath
US5268071A (en) * 1989-04-27 1993-12-07 Nippon Sheet Glass Process of producing a magnetic disk substrate
US5872069A (en) * 1996-12-20 1999-02-16 Ngk Insulators, Inc. Glass-ceramics for magnetic disc substrate, magnetic disc substrate and magnetic disc

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8802028A (nl) * 1988-08-16 1990-03-16 Philips Nv Werkwijze voor het vervaardigen van een inrichting.
WO1996030901A1 (en) * 1995-03-30 1996-10-03 Ag Technology Co., Ltd. Method of manufacturing glass substrate for magnetic disk

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843345A (en) * 1973-03-06 1974-10-22 Ppg Industries Inc Method and apparatus for delivery of molten glass to a float forming process
DE3528386A1 (de) * 1985-08-07 1987-02-12 Flachglas Ag Windschutzscheibe fuer kraftfahrzeuge sowie verfahren zu ihrer herstellung
US5268071A (en) * 1989-04-27 1993-12-07 Nippon Sheet Glass Process of producing a magnetic disk substrate
US5059232A (en) * 1989-07-04 1991-10-22 Nippon Sheet Glass Co., Ltd. Method of manufacturing glass by using a float bath
US5872069A (en) * 1996-12-20 1999-02-16 Ngk Insulators, Inc. Glass-ceramics for magnetic disc substrate, magnetic disc substrate and magnetic disc

Also Published As

Publication number Publication date
DE60011163T2 (de) 2005-07-07
EP1033351B1 (de) 2004-06-02
JP2000351653A (ja) 2000-12-19
MY125197A (en) 2006-07-31
US20010049031A1 (en) 2001-12-06
EP1033351A1 (de) 2000-09-06
JP4432199B2 (ja) 2010-03-17
DE60011163D1 (de) 2004-07-08

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