SG98415A1 - Process for preparation of crystallized glass for information recording disk - Google Patents

Process for preparation of crystallized glass for information recording disk

Info

Publication number
SG98415A1
SG98415A1 SG200003752A SG200003752A SG98415A1 SG 98415 A1 SG98415 A1 SG 98415A1 SG 200003752 A SG200003752 A SG 200003752A SG 200003752 A SG200003752 A SG 200003752A SG 98415 A1 SG98415 A1 SG 98415A1
Authority
SG
Singapore
Prior art keywords
glass
information recording
recording disk
preparation
crystallized glass
Prior art date
Application number
SG200003752A
Other languages
English (en)
Inventor
Zou Xuelu
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
Publication of SG98415A1 publication Critical patent/SG98415A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B32/00—Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products
    • C03B32/02—Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
    • 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
    • C03C10/0036—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 a divalent metal oxide as main constituents
    • C03C10/0045—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 a divalent metal oxide as main constituents containing SiO2, Al2O3 and MgO 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Glass Compositions (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
SG200003752A 1999-07-07 2000-07-05 Process for preparation of crystallized glass for information recording disk SG98415A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19357099 1999-07-07
JP29982799 1999-10-21

Publications (1)

Publication Number Publication Date
SG98415A1 true SG98415A1 (en) 2003-09-19

Family

ID=26507950

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200003752A SG98415A1 (en) 1999-07-07 2000-07-05 Process for preparation of crystallized glass for information recording disk

Country Status (6)

Country Link
US (1) US6599606B1 (zh)
EP (1) EP1067101B1 (zh)
CN (1) CN1289419C (zh)
AT (1) ATE404504T1 (zh)
DE (1) DE60039821D1 (zh)
SG (1) SG98415A1 (zh)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7264894B2 (en) * 1998-03-13 2007-09-04 Hoya Corporation Crystallized glass for information recording medium, crystallized glass substrate, and information recording medium using the crystallized glass substrate
SG97155A1 (en) * 1999-07-07 2003-07-18 Hoya Corp Substrate for information recording medium and magnetic recording medium composed of crystallized glass
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
DE10245234B4 (de) 2002-09-27 2011-11-10 Schott Ag Kristallisierbares Glas, seine Verwendung zur Herstellung einer hochsteifen, bruchfesten Glaskeramik mit gut polierbarer Oberfläche sowie Verwendung der Glaskeramik
CN100482606C (zh) * 2002-11-07 2009-04-29 Hoya株式会社 信息记录介质用基板和信息记录介质及其制备方法
DE10346197B4 (de) * 2003-09-30 2006-02-16 Schott Ag Glaskeramik, Verfahren zur Herstellung einer solchen und Verwendung
US7875565B1 (en) * 2006-05-31 2011-01-25 Corning Incorporated Transparent glass-ceramic armor
JP5241108B2 (ja) * 2007-01-31 2013-07-17 Ｈｏｙａ株式会社 磁気ディスク用ガラス基板の製造方法、磁気ディスクの製造方法、磁気ディスク、および磁気ディスク用ガラス基板の製造システム
US9241879B2 (en) 2008-04-11 2016-01-26 James R. Glidewell Dental Ceramics, Inc. Lithium silicate glass ceramic for fabrication of dental appliances
EP2314551A1 (fr) * 2009-10-26 2011-04-27 AGC Glass Europe Verre silico-sodo-calcique demixe
CN104837783A (zh) * 2012-10-12 2015-08-12 旭硝子株式会社 分相玻璃的制造方法和分相玻璃
RU2660672C1 (ru) * 2017-08-14 2018-07-09 Акционерное общество "Научно-производственное объединение Государственный оптический институт им. С.И. Вавилова" (АО "НПО ГОИ им. С.И. Вавилова") Стеклокристаллический материал с высоким модулем упругости и способ его получения
CN114144384A (zh) * 2019-07-22 2022-03-04 Hoya株式会社 磁记录介质基板用玻璃、磁记录介质基板、磁记录介质、磁记录再生装置用玻璃间隔物和磁记录再生装置
CN112939471A (zh) * 2021-03-15 2021-06-11 武汉理工大学 一种高导热低膨胀低介电的微晶玻璃及其制备方法
CN115784616A (zh) * 2022-11-15 2023-03-14 常熟佳合显示科技有限公司 一种mas微晶玻璃及其制备方法
CN116444140A (zh) * 2023-04-04 2023-07-18 武汉理工大学 调控微晶玻璃析晶的方法及其制品

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD127795A1 (de) * 1976-08-26 1977-10-12 Werner Vogel Titandioxidhaltige glaskeramiken hoher mechanischer festigkeit
US5874376A (en) * 1995-12-28 1999-02-23 Yamamura Glass Co., Ltd. Magnetic disk substrate

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5476821A (en) * 1994-11-01 1995-12-19 Corning Incorporated High modulus glass-ceramics containing fine grained spinel-type crystals
US5491116A (en) * 1995-04-03 1996-02-13 Corning Incorporated Fine-grained glass-ceramics
US5910459A (en) * 1995-10-31 1999-06-08 Corning Incorporated Glass-ceramic containing a stabilized hexacelsian crystal structure
EP0952966A4 (en) * 1996-11-21 2000-08-23 Corning Inc GLASS CERAMICS BASED ON BETA QUARTZ
JPH10287444A (ja) * 1997-04-10 1998-10-27 Toshiba Glass Co Ltd 磁気ディスク用結晶化ガラス基板およびその製造方法
DE69940130D1 (de) * 1998-03-13 2009-01-29 Hoya Corp Kristallisiertes Glas für Informationsaufzeichnungsmedium, kristallisiertes Glas-Substrat, und Informationsaufzeichnungsmedium unter Verwendung des kristallisierten Glas-Substrats
JPH11278865A (ja) 1998-03-30 1999-10-12 Ngk Insulators Ltd 磁気ディスク基板用結晶化ガラス、磁気ディスク用基板、磁気ディスクおよび磁気ディスク基板用結晶化ガラスの製造方法
JP4680347B2 (ja) 1999-06-01 2011-05-11 株式会社オハラ 高剛性ガラスセラミックス基板

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD127795A1 (de) * 1976-08-26 1977-10-12 Werner Vogel Titandioxidhaltige glaskeramiken hoher mechanischer festigkeit
US5874376A (en) * 1995-12-28 1999-02-23 Yamamura Glass Co., Ltd. Magnetic disk substrate

Also Published As

Publication number Publication date
EP1067101A2 (en) 2001-01-10
EP1067101A3 (en) 2001-11-28
DE60039821D1 (de) 2008-09-25
CN1295983A (zh) 2001-05-23
EP1067101B1 (en) 2008-08-13
CN1289419C (zh) 2006-12-13
ATE404504T1 (de) 2008-08-15
US6599606B1 (en) 2003-07-29

Similar Documents

Publication Publication Date Title
SG98415A1 (en) Process for preparation of crystallized glass for information recording disk
CN1024182C (zh) 蚀刻玻璃及其制造方法
JP2736869B2 (ja) 磁気ディスク基板の製造方法
EP0941973A3 (en) Crystallized glass for information recording medium, crystallized glass substrate, and information recording medium using the crystallized glass substrate
EP1382994A3 (en) Electrochromic devices
JP2001342036A (ja) ガラス材料並びに結晶化ガラス製品及び結晶化ガラス材料の製造方法
WO2017104514A1 (ja) 支持結晶化ガラス基板及びこれを用いた積層体
CA2262700A1 (en) Substrate for information recording media
TW541288B (en) Glass-ceramic substrate for a magnetic information storage medium
JP4886928B2 (ja) 結晶化ガラス製リフレクター基体の製造方法
CA2292985A1 (en) Process for producing silica by decomposition of an organosilane
JPH0440301B2 (zh)
EP1091370A3 (en) Magnetic optical member and method of producing the same
EP0443522A3 (en) Optical information recording medium
SE9300839D0 (sv) Pigment med stor ljusspridningsfoermaaga samt foerfarande foer framstaellning av saadant pigment
EP0757262A4 (en) CONVEX SURFACE STRUCTURE MADE OF ULTRAFINE PARTICLES
AU2001237273A1 (en) Polycarbonate substrates
CA2439191A1 (en) Low thermal expansion photonic crystals
JP2000313639A (ja) 結晶化ガラス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
EP0674988A3 (en) Polyester film
JPS57164454A (en) Treating method for surface of glass substrate for optical recording medium
EP1449582A4 (en) TRANSPARENT THIN FILM AND PROCESS FOR PRODUCING THE SAME
JPH0421543A (ja) 結晶化ガラス
JPH05345321A (ja) 金属蒸着膜の剥離方法
TH46374A (th) กระบวนการสำหรับการเตรียมของแก้วแบบคริสตัลไลเซดสำหรับจานบันทึกสารสนเทศ