SG10201502549PA - Manufacturing method of glass substrate for magnetic disk, manufacturing method of glassblank, glass substrate for magnetic disk, and glass blank - Google Patents

Manufacturing method of glass substrate for magnetic disk, manufacturing method of glassblank, glass substrate for magnetic disk, and glass blank

Info

Publication number
SG10201502549PA
SG10201502549PA SG10201502549PA SG10201502549PA SG10201502549PA SG 10201502549P A SG10201502549P A SG 10201502549PA SG 10201502549P A SG10201502549P A SG 10201502549PA SG 10201502549P A SG10201502549P A SG 10201502549PA SG 10201502549P A SG10201502549P A SG 10201502549PA
Authority
SG
Singapore
Prior art keywords
manufacturing
magnetic disk
glass substrate
glass
glassblank
Prior art date
Application number
SG10201502549PA
Inventor
Shinji Eda
Hideki Isono
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 SG10201502549PA publication Critical patent/SG10201502549PA/en

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8404Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/05Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing in machines with reciprocating moulds
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06Construction of plunger or mould
    • C03B11/08Construction of plunger or mould for making solid articles, e.g. lenses
    • C03B11/088Flat discs
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/12Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; cooling or heating of the glass in the mould
    • C03B11/122Heating
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B7/00Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
    • C03B7/10Cutting-off or severing the glass flow with the aid of knives or scissors or non-contacting cutting means, e.g. a gas jet; Construction of the blades used
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C19/00Surface treatment of glass, not in the form of fibres or filaments, by mechanical means
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00Press-moulding glass
    • C03B2215/02Press-mould materials
    • C03B2215/05Press-mould die materials
    • C03B2215/06Metals or alloys
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00Press-moulding glass
    • C03B2215/70Horizontal or inclined press axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Surface Treatment Of Glass (AREA)
  • Magnetic Record Carriers (AREA)
SG10201502549PA 2010-03-31 2011-03-31 Manufacturing method of glass substrate for magnetic disk, manufacturing method of glassblank, glass substrate for magnetic disk, and glass blank SG10201502549PA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010082750 2010-03-31

Publications (1)

Publication Number Publication Date
SG10201502549PA true SG10201502549PA (en) 2015-05-28

Family

ID=44711808

Family Applications (2)

Application Number Title Priority Date Filing Date
SG10201502549PA SG10201502549PA (en) 2010-03-31 2011-03-31 Manufacturing method of glass substrate for magnetic disk, manufacturing method of glassblank, glass substrate for magnetic disk, and glass blank
SG2011095726A SG176974A1 (en) 2010-03-31 2011-03-31 Manufacturing method of glass substrate for magnetic disk, manufacturing method of glass blank, glass substrate for magnetic disk, and glass blank

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG2011095726A SG176974A1 (en) 2010-03-31 2011-03-31 Manufacturing method of glass substrate for magnetic disk, manufacturing method of glass blank, glass substrate for magnetic disk, and glass blank

Country Status (6)

Country Link
US (1) US8973404B2 (en)
JP (3) JP5431574B2 (en)
CN (2) CN102859595B (en)
MY (1) MY163806A (en)
SG (2) SG10201502549PA (en)
WO (1) WO2011122054A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8806895B2 (en) * 2010-12-09 2014-08-19 Hoya Corporation Manufacturing method for a glass substrate for magnetic disk
MY186189A (en) * 2011-04-21 2021-06-30 Hoya Corp Method for manufacturing glass blank for magnetic disk, method for manufacturing glass substrate for magnetic disk, glass blank for magnetic disk, glass substrate for magnetic disk and magnetic disk
JP6000240B2 (en) * 2011-04-27 2016-09-28 Hoya株式会社 Method for manufacturing glass blank for magnetic disk, method for manufacturing glass substrate for magnetic disk, glass blank for magnetic disk
JP2013140649A (en) * 2011-12-29 2013-07-18 Hoya Corp Method for manufacturing glass substrate for magnetic disk, glass substrate for magnetic disk and basket for chemical strengthening
JPWO2014051053A1 (en) * 2012-09-28 2016-08-22 Hoya株式会社 Method for manufacturing glass blank for magnetic disk, method for manufacturing glass substrate for magnetic disk, and glass blank for magnetic disk
WO2019066086A1 (en) * 2017-09-29 2019-04-04 Hoya株式会社 Glass spacer and hard disc drive device
CN114296494B (en) * 2022-01-05 2023-01-10 信义玻璃工程(东莞)有限公司 Temperature control method, device, equipment and storage medium

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63248727A (en) 1987-04-02 1988-10-17 Olympus Optical Co Ltd Production of glass molded article
JPH01133948A (en) 1987-11-18 1989-05-26 Canon Inc Manufacture of optical element
JPH01164738A (en) 1987-12-22 1989-06-28 Canon Inc Device for forming optical element
JPH06171959A (en) 1992-12-10 1994-06-21 Olympus Optical Co Ltd Production of optical element
JP3148641B2 (en) 1996-06-26 2001-03-19 日本碍子株式会社 Blank material of crystallized glass substrate for magnetic disk and method of manufacturing the same
US6442975B1 (en) * 1996-12-26 2002-09-03 Hoya Corporation Method of manufacturing thin-plate glass article, method of manufacturing glass substrate for information recording medium, and method of manufacturing magnetic recording medium
JP3709033B2 (en) 1996-12-27 2005-10-19 Hoya株式会社 Manufacturing method of glass products
JPH11228150A (en) 1998-02-16 1999-08-24 Ngk Insulators Ltd Manufacture of glass substrate
JP3420192B2 (en) 2000-02-01 2003-06-23 株式会社オハラ Glass ceramics
US20020009602A1 (en) * 2000-03-13 2002-01-24 Hoya Corporation Method and apparatus of fabricating glass molded article, method of fabricating glass substrate, and information recording medium
JP4127974B2 (en) * 2001-01-29 2008-07-30 Hoya株式会社 Substrate blank, substrate, and information recording medium manufacturing method
MY129886A (en) * 2001-05-09 2007-05-31 Matsushita Electric Ind Co Ltd Molding process of disk with shaft shaped portion
JP2003030822A (en) 2001-07-13 2003-01-31 Fuji Electric Co Ltd Method for processing magnetic disk substrate
JP2003054965A (en) 2001-08-08 2003-02-26 Minolta Co Ltd Method for press-molding glass and method for manufacturing glass substrate for hard disk using the same method
US20030134734A1 (en) * 2001-08-08 2003-07-17 Shiro Nishimoto Press molding method for glass and manufacturing method for glass substrate using this method
JP3982229B2 (en) * 2001-10-17 2007-09-26 富士電機デバイステクノロジー株式会社 Glass substrate press molding apparatus and press molding method
JP2004196651A (en) 2002-12-04 2004-07-15 Fuji Electric Device Technology Co Ltd Method and apparatus for manufacturing glass substrate for storage medium, and glass substrate for storage medium, and storage medium
JP4380379B2 (en) * 2004-03-19 2009-12-09 コニカミノルタオプト株式会社 Manufacturing method of glass substrate for information recording medium
US7395679B2 (en) * 2004-03-19 2008-07-08 Konica Minolta Opto, Inc. Method of manufacturing glass substrate for information recording medium
JPWO2005093720A1 (en) * 2004-03-25 2008-02-14 Hoya株式会社 Glass substrate for magnetic disk
US20080020238A1 (en) * 2004-03-31 2008-01-24 Hirotaka Tanaka Magentic Disk and Glass Substrate for Magnetic Disk
WO2006088079A1 (en) * 2005-02-18 2006-08-24 Nippon Soda Co., Ltd. Organic-inorganic composite body
JP2006282400A (en) 2005-03-31 2006-10-19 Nippon Electric Glass Co Ltd Forming method for glass article, and forming device therefor
JP4696935B2 (en) * 2006-01-27 2011-06-08 日立電線株式会社 III-V nitride semiconductor substrate and III-V nitride light emitting device
JP2008105894A (en) 2006-10-25 2008-05-08 Fuji Electric Device Technology Co Ltd Forming die, intermediate member and method of manufacturing substrate
JP2008174402A (en) 2007-01-16 2008-07-31 Konica Minolta Opto Inc Die for molding glass substrate, method of manufacturing glass substrate, method of manufacturing glass substrate for information recording medium, and method of manufacturing information recording medium
JP2008174401A (en) * 2007-01-16 2008-07-31 Konica Minolta Opto Inc Die for molding glass substrate, method of manufacturing glass substrate, method of manufacturing glass substrate for information recording medium, and method of manufacturing information recording medium
JP5305698B2 (en) 2007-03-09 2013-10-02 Hoya株式会社 Method for manufacturing glass substrate for magnetic disk, method for manufacturing magnetic disk, and glass substrate for magnetic disk
JP4755135B2 (en) 2007-04-27 2011-08-24 株式会社オハラ Crystallized glass
JP5005645B2 (en) 2007-09-27 2012-08-22 Hoya株式会社 Manufacturing method of glass substrate for magnetic disk and manufacturing method of magnetic disk
JP5170877B2 (en) 2008-03-05 2013-03-27 古河電気工業株式会社 Manufacturing method of glass substrate
JP2009269762A (en) 2008-04-30 2009-11-19 Fuji Electric Device Technology Co Ltd Glass raw material, molding die for the same, and method for manufacturing glass substrate for magnetic disk
US8806895B2 (en) * 2010-12-09 2014-08-19 Hoya Corporation Manufacturing method for a glass substrate for magnetic disk
US20120247155A1 (en) * 2011-03-30 2012-10-04 Hoya Corporation Method of manufacturing glass blank for magnetic recording medium glass substrate, method of manufacturing magnetic recording medium glass substrate, method of manufacturing magnetic recording medium, and apparatus for manufacturing glass blank for magnetic recording medium glass substrate

Also Published As

Publication number Publication date
CN105355216A (en) 2016-02-24
SG176974A1 (en) 2012-02-28
JP2013136513A (en) 2013-07-11
US20120151967A1 (en) 2012-06-21
CN102859595B (en) 2016-01-20
US8973404B2 (en) 2015-03-10
CN102859595A (en) 2013-01-02
WO2011122054A1 (en) 2011-10-06
CN105355216B (en) 2017-10-03
MY163806A (en) 2017-10-31
JP2012232899A (en) 2012-11-29
JP5666524B2 (en) 2015-02-12
JP5431574B2 (en) 2014-03-05
JP5632027B2 (en) 2014-11-26
JPWO2011122054A1 (en) 2013-07-08

Similar Documents

Publication Publication Date Title
SG10201706984QA (en) Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate
EP2551245A4 (en) Glass substrate manufacturing method and glass substrate
SG11201505070VA (en) Glass substrate for magnetic disk and magnetic disk
EP2551993A4 (en) Electromagnet for stator and method of manufacturing electromagnet for stator
MY167819A (en) Glass substrate for magnetic disk and manufacturing method of the same
EP2578550A4 (en) Glass substrate and method for producing same
EP2774895A4 (en) Glass substrate and method for producing same
SG10201502549PA (en) Manufacturing method of glass substrate for magnetic disk, manufacturing method of glassblank, glass substrate for magnetic disk, and glass blank
EP2525634A4 (en) Substrate and method of manufacturing substrate
SG11201501457VA (en) Magnetic-disk glass substrate and magnetic disk
SG10201706182XA (en) Magnetic-disk glass substrate and magnetic disk
SG10201601924XA (en) Magnetic-disk glass substrate and magnetic disk
EP2671847A4 (en) Process for manufacture of phosphor-dispersed glass, and phosphor-dispersed glass
SG11201602378XA (en) Method for manufacturing glass substrate and method formanufacturing magnetic disk
SG10201506905SA (en) Method for manufacturing glass substrate for magnetic disk and method for manufacturing magnetic disk
SG10202006113YA (en) Grinding tool, method for manufacturing glass substrate, method for manufacturing magnetic-disk glass substrate, and method for manufacturing magnetic disk
SG11201405080XA (en) Method for manufacturing magnetic-disk glass substrate and method for manufacturing magnetic disk
SG11201501456XA (en) Method for manufacturing magnetic-disk glass substrate
EP2733125A4 (en) Method for manufacturing layered-film-bearing glass substrate
SG11201508850YA (en) Grindstone, method for manufacturing magnetic-disk glass substrate, and method for manufacturing magnetic disk
SG11201401037XA (en) Method of manufacturing glass substrates for hard disk drives
EP2733127A4 (en) Method for manufacturing layered-film-bearing glass substrate
SG11201503250RA (en) Method for manufacturing glass substrate for magnetic disk and method for manufacturing magnetic disk
SG11201507851UA (en) Method for manufacturing magnetic-disk glass substrate, magnetic-disk glass substrate, and method for manufacturing magnetic disk
SG11201601374SA (en) Method for manufacturing glass substrate for magnetic disk, and method for manufacturing magnetic disk