MY163557A - Method of manufacturing glass blank for magnetic recording medium glass substrate, method of manufacturing magnetic recording medium glass substrate, and method of manufacturing magnetic recording medium - Google Patents

Method of manufacturing glass blank for magnetic recording medium glass substrate, method of manufacturing magnetic recording medium glass substrate, and method of manufacturing magnetic recording medium

Info

Publication number
MY163557A
MY163557A MYPI2013000582A MYPI2013000582A MY163557A MY 163557 A MY163557 A MY 163557A MY PI2013000582 A MYPI2013000582 A MY PI2013000582A MY PI2013000582 A MYPI2013000582 A MY PI2013000582A MY 163557 A MY163557 A MY 163557A
Authority
MY
Malaysia
Prior art keywords
recording medium
magnetic recording
manufacturing
glass substrate
glass
Prior art date
Application number
MYPI2013000582A
Other languages
English (en)
Inventor
Akira Murakami
Makoto Osawa
Nobuhiro Sugiyama
Takashi Satou
Hidekazu Tanino
Hideki Isono
Kinobu Osakabe
Takao Motohashi
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
Priority claimed from JP2010221316A external-priority patent/JP5559651B2/ja
Priority claimed from JP2010253791A external-priority patent/JP5476276B2/ja
Application filed by Hoya Corp filed Critical Hoya Corp
Publication of MY163557A publication Critical patent/MY163557A/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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B11/00Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/02Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
    • B30B11/027Particular press methods or systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/30Feeding material to presses
    • B30B15/302Feeding material in particulate or plastic state to moulding presses
    • 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
    • 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
    • C03B7/11Construction of the blades
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00Press-moulding glass
    • C03B2215/70Horizontal or inclined press axis
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving the yield, e-g- reduction of reject rates

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
MYPI2013000582A 2010-09-30 2011-09-29 Method of manufacturing glass blank for magnetic recording medium glass substrate, method of manufacturing magnetic recording medium glass substrate, and method of manufacturing magnetic recording medium MY163557A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010221316A JP5559651B2 (ja) 2010-09-30 2010-09-30 磁気記録媒体ガラス基板用ガラスブランク製造方法、磁気記録媒体ガラス基板製造方法、および、磁気記録媒体製造方法
JP2010253791A JP5476276B2 (ja) 2010-11-12 2010-11-12 磁気記録媒体ガラス基板用ガラスブランクの製造方法、磁気記録媒体ガラス基板製造方法、磁気記録媒体製造方法、磁気記録媒体ガラス基板用ガラスブランクの製造装置

Publications (1)

Publication Number Publication Date
MY163557A true MY163557A (en) 2017-09-29

Family

ID=45893143

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2013000582A MY163557A (en) 2010-09-30 2011-09-29 Method of manufacturing glass blank for magnetic recording medium glass substrate, method of manufacturing magnetic recording medium glass substrate, and method of manufacturing magnetic recording medium

Country Status (4)

Country Link
CN (1) CN103155038A (ja)
MY (1) MY163557A (ja)
SG (1) SG189021A1 (ja)
WO (1) WO2012043704A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014051053A1 (ja) * 2012-09-28 2014-04-03 Hoya株式会社 磁気ディスク用ガラスブランクの製造方法、磁気ディスク用ガラス基板の製造方法、及び磁気ディスク用ガラスブランク
JP6298448B2 (ja) * 2013-03-30 2018-03-20 Hoya株式会社 磁気ディスク用ガラス基板の製造方法、磁気ディスク用ガラス基板、及び磁気ディスクの製造方法
JP2016092247A (ja) * 2014-11-06 2016-05-23 株式会社ディスコ SiC基板の研磨方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01148717A (ja) * 1987-12-07 1989-06-12 Canon Inc 光学素子の成形装置
JP3982229B2 (ja) * 2001-10-17 2007-09-26 富士電機デバイステクノロジー株式会社 ガラス基板のプレス成形装置及びプレス成形方法
JP4200422B2 (ja) * 2002-07-26 2008-12-24 Hoya株式会社 ガラスブランク、情報記録媒体用基板および情報記録媒体それぞれの製造方法
US7395679B2 (en) * 2004-03-19 2008-07-08 Konica Minolta Opto, Inc. Method of manufacturing glass substrate for information recording medium
JP4380379B2 (ja) * 2004-03-19 2009-12-09 コニカミノルタオプト株式会社 情報記録媒体用ガラス基板の製造方法
US8245537B2 (en) * 2007-01-16 2012-08-21 Konica Minolta Opto, Inc. Mold for glass substrate molding, method for producing glass substrate, method for producing glass substrate for information recording medium, and method for producing information recording medium
JP2008174401A (ja) * 2007-01-16 2008-07-31 Konica Minolta Opto Inc ガラス基板成形用金型、ガラス基板の製造方法、情報記録媒体用ガラス基板の製造方法及び情報記録媒体の製造方法
JP4834654B2 (ja) * 2007-12-21 2011-12-14 Hoya株式会社 肉薄ガラスの製造方法、ガラス成形品の製造装置、情報記録媒体用ガラス基板の製造方法、光学部品の製造方法

Also Published As

Publication number Publication date
WO2012043704A1 (ja) 2012-04-05
SG189021A1 (en) 2013-05-31
CN103155038A (zh) 2013-06-12

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