DE69834385D1 - Verfahren zur herstellung von glassubstrat zur informationsaufzeichnung - Google Patents

Verfahren zur herstellung von glassubstrat zur informationsaufzeichnung

Info

Publication number
DE69834385D1
DE69834385D1 DE69834385T DE69834385T DE69834385D1 DE 69834385 D1 DE69834385 D1 DE 69834385D1 DE 69834385 T DE69834385 T DE 69834385T DE 69834385 T DE69834385 T DE 69834385T DE 69834385 D1 DE69834385 D1 DE 69834385D1
Authority
DE
Germany
Prior art keywords
information recording
producing glass
glass supplement
supplement
producing
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 - Lifetime
Application number
DE69834385T
Other languages
English (en)
Other versions
DE69834385T2 (de
Inventor
Kazuaki Hashimoto
Xuelu Zou
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.)
Hoya Corp
Original Assignee
Hoya Corp
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 Hoya Corp filed Critical Hoya Corp
Application granted granted Critical
Publication of DE69834385D1 publication Critical patent/DE69834385D1/de
Publication of DE69834385T2 publication Critical patent/DE69834385T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • 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
    • C03C3/087—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 containing calcium oxide, e.g. common sheet or container glass
    • 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
    • C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
    • G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
    • G11B23/0028—Details
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
    • G11B5/6011—Control of flying height
    • 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
DE69834385T 1997-07-30 1998-07-30 Verfahren zur herstellung von glassubstrat zur informationsaufzeichnung Expired - Lifetime DE69834385T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP20502597 1997-07-30
JP20502597 1997-07-30
US6667597P 1997-11-14 1997-11-14
US66675P 1997-11-14
PCT/JP1998/003407 WO1999006333A1 (fr) 1997-07-30 1998-07-30 Procede de production d'un substrat de verre pour support de donnees

Publications (2)

Publication Number Publication Date
DE69834385D1 true DE69834385D1 (de) 2006-06-08
DE69834385T2 DE69834385T2 (de) 2007-04-19

Family

ID=26514800

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69834385T Expired - Lifetime DE69834385T2 (de) 1997-07-30 1998-07-30 Verfahren zur herstellung von glassubstrat zur informationsaufzeichnung

Country Status (8)

Country Link
US (1) US6332338B1 (de)
EP (1) EP0953548B1 (de)
KR (1) KR100402450B1 (de)
CN (1) CN1124995C (de)
AU (1) AU8460998A (de)
CA (1) CA2267094A1 (de)
DE (1) DE69834385T2 (de)
WO (1) WO1999006333A1 (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10340482A (ja) * 1997-06-09 1998-12-22 Hitachi Ltd 光情報記録媒体
JP4488555B2 (ja) * 1998-09-22 2010-06-23 Ｈｏｙａ株式会社 ガラス組成物およびその製造方法、ならびにそれを用いた情報記録媒体用基板、情報記録媒体および情報記録装置
US6699588B2 (en) * 1999-07-22 2004-03-02 Seagate Technology, Inc. Medium with a NiNb sealing layer
US6595028B1 (en) * 1999-09-30 2003-07-22 Hoya Corporation Chemical reinforced glass substrate having desirable edge profile and method of manufacturing the same
JP4518291B2 (ja) * 1999-10-19 2010-08-04 Ｈｏｙａ株式会社 ガラス組成物ならびにそれを用いた情報記録媒体用基板、情報記録媒体および情報記録装置
JP2001139341A (ja) 1999-11-11 2001-05-22 Nippon Sheet Glass Co Ltd 屈折率分布型レンズ用母材ガラス組成物
SG99350A1 (en) * 2000-02-17 2003-10-27 Hoya Corp Glass for cathode-ray tube, strengthened glass, method for the production thereof and use thereof
JP2001287967A (ja) * 2000-04-03 2001-10-16 Minolta Co Ltd ガラス組成
JP4224925B2 (ja) * 2000-04-03 2009-02-18 コニカミノルタオプト株式会社 ガラス組成物
JP4273624B2 (ja) * 2000-04-03 2009-06-03 コニカミノルタオプト株式会社 ガラス組成物
JP4273623B2 (ja) * 2000-04-03 2009-06-03 コニカミノルタオプト株式会社 ガラス組成物
JP4273625B2 (ja) * 2000-04-03 2009-06-03 コニカミノルタオプト株式会社 ガラス組成物
JP2001287931A (ja) * 2000-04-03 2001-10-16 Minolta Co Ltd ガラス組成
JP2001287934A (ja) * 2000-04-03 2001-10-16 Minolta Co Ltd ガラス組成
JP4300676B2 (ja) * 2000-04-03 2009-07-22 コニカミノルタオプト株式会社 ガラス組成物
JP2002337152A (ja) * 2001-05-15 2002-11-27 Fujitsu Ltd 金型、金型の製造方法、記録媒体の製造方法、及び記録媒体の基板
JP3995902B2 (ja) 2001-05-31 2007-10-24 Ｈｏｙａ株式会社 情報記録媒体用ガラス基板及びそれを用いた磁気情報記録媒体
TWI250135B (en) * 2001-10-15 2006-03-01 Hoya Corp Optical glass, glass material for press molding, optical element, and method of manufacturing same
US7070703B2 (en) * 2002-05-23 2006-07-04 Hitachi Global Storage Technologies Netherlands B.V. Process for producing glass disk substrates for magnetically recordable data storage disks
EP1367029A3 (de) * 2002-05-27 2004-03-24 Central Glass Company, Limited Glas für optischen wellenlängenmultiplex Filter
KR20050009703A (ko) * 2002-06-03 2005-01-25 호야 가부시키가이샤 정보기록 매체용 기판, 정보기록 매체 및 그 제조방법
JP4282273B2 (ja) 2002-06-07 2009-06-17 コニカミノルタオプト株式会社 ガラス基板
CN100379696C (zh) * 2002-10-29 2008-04-09 Hoya株式会社 化学强化玻璃、信息记录介质用基板及信息记录介质
WO2004063109A1 (ja) * 2003-01-10 2004-07-29 Nippon Sheet Glass Company, Limited レーザ加工用ガラス
CN101243018B (zh) 2005-08-17 2013-01-23 康宁股份有限公司 高应变点玻璃
FR2893608B1 (fr) * 2005-11-22 2008-12-26 Saint Gobain Procede de marquage d'une face d'un substrat de type verrier, un tel substrat et moyen de marquage pour le procede
JP2007257810A (ja) * 2006-03-24 2007-10-04 Hoya Corp 磁気ディスク用ガラス基板の製造方法および磁気ディスクの製造方法
KR100717074B1 (ko) * 2006-08-25 2007-05-10 삼성유리공업 주식회사 무연 크리스탈아이스 및 제조방법과, 그를 이용한 장식용판유리 제조방법
US20080130171A1 (en) * 2006-11-30 2008-06-05 Francis Martin Behan Calcium aluminosilicate glasses for use as information recording medium substrates
JP4755135B2 (ja) * 2007-04-27 2011-08-24 株式会社オハラ 結晶化ガラス
CN101439930B (zh) * 2008-12-19 2011-06-29 成都光明光电股份有限公司 精密模压成型用光学玻璃
JP2010168270A (ja) * 2008-12-26 2010-08-05 Hoya Corp ガラス基材及びその製造方法
SG177345A1 (en) 2009-12-29 2012-02-28 Hoya Corp Glass substrate for magnetic disk and manufacturing method thereof
CN102811957A (zh) * 2010-03-31 2012-12-05 Hoya株式会社 磁记录介质玻璃基板用玻璃坯料的制造方法、磁记录介质玻璃基板的制造方法以及磁记录介质的制造方法
JP5528907B2 (ja) * 2010-05-31 2014-06-25 Ｈｏｙａ株式会社 熱アシスト記録媒体用ガラス基板
AU2012210256B2 (en) * 2011-01-28 2017-03-02 Abk Biomedical Incorporated Radiopaque embolic particles
KR20150028786A (ko) * 2012-05-31 2015-03-16 코닝 인코포레이티드 이온 교환성 전이 금속-함유 유리
CN104470860B (zh) * 2012-07-18 2018-04-13 Hoya株式会社 玻璃成型品及其制造方法、光学元件坯料、以及光学元件及其制造方法
US10501364B2 (en) 2012-11-21 2019-12-10 Corning Incorporated Ion exchangeable glasses having high hardness and high modulus
US11352287B2 (en) 2012-11-28 2022-06-07 Vitro Flat Glass Llc High strain point glass
JP5952500B2 (ja) * 2013-09-09 2016-07-13 Hoya株式会社 ガラス基板
JP6374522B2 (ja) * 2014-10-14 2018-08-15 Hoya株式会社 磁気ディスク用基板の製造方法、磁気ディスクの製造方法、フィルタリング装置、及び研磨液の製造方法
WO2016082045A1 (en) 2014-11-26 2016-06-02 Abk Biomedical Inc. Radioembolic particles
CN111315697B (zh) 2017-10-31 2022-10-11 康宁股份有限公司 具有高液相线粘度的过铝质锂铝硅酸盐
CN109704563B (zh) * 2019-03-07 2021-09-21 湖北戈碧迦光电科技股份有限公司 环保镧系光学玻璃及其制备方法和应用
WO2021015240A1 (ja) * 2019-07-22 2021-01-28 Hoya株式会社 磁気記録媒体基板用ガラス、磁気記録媒体基板、磁気記録媒体、磁気記録再生装置用ガラススペーサおよび磁気記録再生装置
CN110698163A (zh) * 2019-08-27 2020-01-17 晟光科技股份有限公司 一种耐冲击性触控键盘及其生产方法
DE102020103487B4 (de) 2020-02-11 2022-05-12 Koa Corporation Verfahren zur Herstellung eines Glas-Keramik-Verbundsubstrates
CN112935619B (zh) * 2020-12-01 2023-04-18 四川大西洋焊接材料股份有限公司 一种用于焊接长期服役于630℃马氏体钢的配套焊条及其制备方法
CN113387586A (zh) * 2021-08-06 2021-09-14 成都光明光电股份有限公司 微晶玻璃、微晶玻璃制品及其制造方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439528A (en) * 1983-06-02 1984-03-27 Corning Glass Works Spontaneous opal glass compositions
JPH01239036A (ja) * 1988-03-16 1989-09-25 F G K:Kk 高強度ガラス
JP2968156B2 (ja) 1993-11-08 1999-10-25 株式会社オハラ ディスク状ガラス製品のプレス成形方法
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
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
JP2952185B2 (ja) * 1994-10-07 1999-09-20 ホーヤプレシジョン株式会社 ガラス光学素子の成形方法
CZ171396A3 (en) * 1994-10-13 1996-12-11 Saint Gobain Vitrage Hardened glass substrate and the use thereof
US5532194A (en) * 1994-11-18 1996-07-02 Kabushiki Kaisya Ohara Cordierite glass-ceramic and method for manufacturing the same
EP0757021B1 (de) * 1995-02-10 2001-04-25 Asahi Glass Company Ltd. Kratzfestes glas
JP3822240B2 (ja) * 1995-02-10 2006-09-13 旭硝子株式会社 耐擦傷性板ガラス
GB2299991B (en) * 1995-04-20 1998-09-09 Ag Technology Corp Glass substrate for magnetic disk
US5770294A (en) 1995-05-15 1998-06-23 Sakamoto; Yasuaki Molded glass plates produced by mold with modified surface
JPH08335312A (ja) * 1995-06-08 1996-12-17 Ngk Insulators Ltd 磁気ディスク用基板、磁気ディスクおよび磁気ディスク用基板の製造方法
JP3130800B2 (ja) * 1995-07-24 2001-01-31 日本山村硝子株式会社 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
US5726108A (en) 1995-07-24 1998-03-10 Yamamura Glass Co., Ltd. Glass-ceramic magnetic disk substrate
CA2184206C (en) * 1995-08-29 2002-10-08 Yasuaki Sakamoto Molded glass plate produced by mold with modified surface
FR2744440B1 (fr) * 1996-02-07 1998-03-20 Saint Gobain Vitrage Procede de traitement de substrats en verre
JP3187321B2 (ja) * 1996-06-14 2001-07-11 日本板硝子株式会社 化学強化用ガラス組成物および化学強化ガラス物品
JP3930113B2 (ja) * 1996-08-30 2007-06-13 Ｈｏｙａ株式会社 磁気ディスク用ガラス基板
JP4098834B2 (ja) * 1997-06-05 2008-06-11 Ｈｏｙａ株式会社 情報記憶媒体用基板

Also Published As

Publication number Publication date
EP0953548B1 (de) 2006-05-03
DE69834385T2 (de) 2007-04-19
US6332338B1 (en) 2001-12-25
EP0953548A4 (de) 1999-12-22
KR100402450B1 (ko) 2003-10-22
KR20000068670A (ko) 2000-11-25
WO1999006333A1 (fr) 1999-02-11
CN1241169A (zh) 2000-01-12
AU8460998A (en) 1999-02-22
CN1124995C (zh) 2003-10-22
CA2267094A1 (en) 1999-02-11
JP3928884B2 (ja) 2007-06-13
EP0953548A1 (de) 1999-11-03

Similar Documents

Publication Publication Date Title
DE69834385D1 (de) Verfahren zur herstellung von glassubstrat zur informationsaufzeichnung
DE69824569D1 (de) Verfahren zur herstellung von polycarbonatharz
DE69632527D1 (de) Verfahren zur herstellung von polycarbonat
DE69814862D1 (de) Verfahren zur herstellung von pyridinderivaten
DE69718296T2 (de) Verfahren zur herstellung von flachglas
ATE294169T1 (de) Verfahren zur herstellung von 8-methoxy- chinoloncarbonsäuren
DE69815377D1 (de) Verfahren zur herstellung von n-butanol
DE69813869T2 (de) Verfahren zur herstellung von thiazolidindion-derivaten
ATE219056T1 (de) Verfahren zur herstellung von alpha- bromolactamderivaten
DE59704263D1 (de) Enzymatische verfahren zur herstellung von (s)-cyanhydrinen
DE59610673D1 (de) Verfahren zur herstellung von basischen kobalt(ii)carbonaten
DE69808068T2 (de) Verfahren zur herstellung von indolderivaten
DE69819191D1 (de) Verfahren zur herstellung von pentafluorethan
ATE225797T1 (de) Verfahren zur herstellung von oxazaphosphorin-2- aminen
DE69733152D1 (de) Verfahren zur herstellung von tetrazolylbenzopyranen
DE69417233T2 (de) Verfahren zur herstellung von polycarbonat
DE69806759T2 (de) Verfahren zur herstellung von pentafluorethan
DE69619131T2 (de) Verfahren zur herstellung von polycarbonat
DE69802546T2 (de) Verfahren zur herstellung von tuftingware
DE59802548D1 (de) Verfahren zur herstellung von webware
ATE273291T1 (de) Verfahren zur herstellung von chlorbenzoxazolen
ATE237607T1 (de) Verfahren zur herstellung von 3-ispchromanon
DE59805432D1 (de) Verfahren zur herstellung von 2-cyclododecyl-1-propanol
DE59803543D1 (de) Verfahren zur herstellung von diarylcarbonaten
DE69808100T2 (de) Verfahren zur herstellung von 3-isochromanon

Legal Events

Date Code Title Description
8364 No opposition during term of opposition