DE60011163D1 - Glassubstrat für magnetische Medien, und Verfahren zur Herstellung desselben - Google Patents

Glassubstrat für magnetische Medien, und Verfahren zur Herstellung desselben

Info

Publication number
DE60011163D1
DE60011163D1 DE60011163T DE60011163T DE60011163D1 DE 60011163 D1 DE60011163 D1 DE 60011163D1 DE 60011163 T DE60011163 T DE 60011163T DE 60011163 T DE60011163 T DE 60011163T DE 60011163 D1 DE60011163 D1 DE 60011163D1
Authority
DE
Germany
Prior art keywords
manufacturing
same
glass substrate
magnetic media
media
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
Application number
DE60011163T
Other languages
English (en)
Other versions
DE60011163T2 (de
Inventor
Christopher H Bajorek
Michael C Tolle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AGC Inc
Original Assignee
Asahi Glass Co Ltd
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 Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Application granted granted Critical
Publication of DE60011163D1 publication Critical patent/DE60011163D1/de
Publication of DE60011163T2 publication Critical patent/DE60011163T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE60011163T 1999-03-04 2000-03-02 Glassubstrat für ein magnetisches Medium und Herstellungsverfahren desselben Expired - Fee Related DE60011163T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US262365 1999-03-04
US09/262,365 US20010049031A1 (en) 1999-03-04 1999-03-04 Glass substrate for magnetic media and method of making the same

Publications (2)

Publication Number Publication Date
DE60011163D1 true DE60011163D1 (de) 2004-07-08
DE60011163T2 DE60011163T2 (de) 2005-07-07

Family

ID=22997182

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60011163T Expired - Fee Related DE60011163T2 (de) 1999-03-04 2000-03-02 Glassubstrat für ein magnetisches Medium und Herstellungsverfahren desselben

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
AU2001272483A1 (en) * 2000-06-21 2002-01-02 Carl-Zeiss-Stiftung Trading As Schott Glas Method for the production of glass substrates for electronic storage media
JP4947754B2 (ja) 2001-03-27 2012-06-06 日本板硝子株式会社 情報記録媒体用基板及びその製造方法、情報記録媒体、並びにガラス素板
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
US7600359B2 (en) * 2002-05-09 2009-10-13 Seagate Technology Llc Method of merging two disks concentrically without gap between disks
TWI229324B (en) * 2002-05-09 2005-03-11 Maxtor Corp Method of simultaneous two-disk processing of single-sided magnetic recording disks
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
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
WO2006025572A1 (en) * 2004-08-30 2006-03-09 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
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。
US7618895B2 (en) * 2004-12-06 2009-11-17 Asahi Glass Company, Limited Method for etching doughnut-type glass substrates
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
MY158962A (en) * 2008-09-30 2016-11-30 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

Family Cites Families (7)

* 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
NL8802028A (nl) * 1988-08-16 1990-03-16 Philips Nv Werkwijze voor het vervaardigen van een inrichting.
US5268071A (en) * 1989-04-27 1993-12-07 Nippon Sheet Glass Process of producing a magnetic disk substrate
JPH0653581B2 (ja) * 1989-07-04 1994-07-20 日本板硝子株式会社 フロートバスによるガラス製造方法
GB2303811B (en) * 1995-03-30 1998-10-21 Ag Technology Corp Method for producing a glass substrate for a magnetic disk
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

Also Published As

Publication number Publication date
EP1033351A1 (de) 2000-09-06
MY125197A (en) 2006-07-31
SG91259A1 (en) 2002-09-17
DE60011163T2 (de) 2005-07-07
EP1033351B1 (de) 2004-06-02
JP4432199B2 (ja) 2010-03-17
US20010049031A1 (en) 2001-12-06
JP2000351653A (ja) 2000-12-19

Similar Documents

Publication Publication Date Title
DE60011163D1 (de) Glassubstrat für magnetische Medien, und Verfahren zur Herstellung desselben
DE60132554D1 (de) STATORBLECHKöRPER UND VERFAHREN ZUR HERSTELLUNG DESSELBEN
DE60033156D1 (de) Glasscheibe und verfahren zu dessen herstellung
DE60238885D1 (de) Glassubstrat für Photomasken und Verfahren zur Herstellung
DE60129589D1 (de) Wabenfilter und verfahren zur herstellung desselben
DE60018805D1 (de) Oberflächenmodifiziertes anorganisches oxidpulver, verfahren zur herstellung desselben und verwendung desselben
DE60140736D1 (de) Wabenförmige struktur und verfahren zur herstellung derselben
DE50200540D1 (de) Verfahren zur Herstellung lösungsmittelfreier Suspensionen
DE50214717D1 (de) Und verfahren zu seiner herstellung
DE60230777D1 (de) Bindemittelkomponenten und verfahren zur ihrer herstellung
SG101458A1 (en) Molded glass substrate for magnetic disk and method for manufacturing the same
SG83784A1 (en) Glass substrate for magnetic recording medium, magnetic recording medium, and method of manufacturing the same
DE60142138D1 (de) Legierungsbeschichtung, Verfahren zur Herstellung und Element für Hochtemperaturgeräte
DE60235798D1 (de) Wabenförmige struktur und verfahren zur herstellung derselben
DE50201295D1 (de) Bauteil aus quarzglas sowie verfahren zur herstellung desselben
DE69930700D1 (de) Halbleitersubstrat und Verfahren zu seiner Herstellung
DE60002505D1 (de) Lithium kobaltoxide und verfahren zur herstellung
DE60045480D1 (de) Druckempfindliches klebeband und verfahren zur herstellung desselben
DE69901178D1 (de) Nichtgesinterte elektrode und verfahren zur herstellung
DE60208523D1 (de) Spulenbauteil und verfahren zu seiner herstellung
DE69921878D1 (de) Verfahren zur Herstellung von Polyalkylenoxid
DE60213444D1 (de) Fluorpolymerlaminate und verfahren zur herstellung derselben
DE60102428D1 (de) Optisches Aufzeichnungsmedium, Vorrichtung dafür und Verfahren zur Herstellung desselben
DE60137044D1 (de) Verfahren zur herstellung von scheiben für variatoren
DE69834613D1 (de) Halbleiterbauelement und verfahren zur dessen herstellung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee