CN116897392A - 磁盘用基板、磁盘、圆环形状基板及磁盘用基板的制造方法 - Google Patents

磁盘用基板、磁盘、圆环形状基板及磁盘用基板的制造方法 Download PDF

Info

Publication number
CN116897392A
CN116897392A CN202280015751.3A CN202280015751A CN116897392A CN 116897392 A CN116897392 A CN 116897392A CN 202280015751 A CN202280015751 A CN 202280015751A CN 116897392 A CN116897392 A CN 116897392A
Authority
CN
China
Prior art keywords
substrate
magnetic disk
chamfer
polishing
glass
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.)
Pending
Application number
CN202280015751.3A
Other languages
English (en)
Chinese (zh)
Inventor
东修平
泷泽利雄
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
Publication of CN116897392A publication Critical patent/CN116897392A/zh
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Surface Treatment Of Glass (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
CN202280015751.3A 2021-02-24 2022-02-24 磁盘用基板、磁盘、圆环形状基板及磁盘用基板的制造方法 Pending CN116897392A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021027888 2021-02-24
JP2021-027888 2021-02-24
PCT/JP2022/007710 WO2022181715A1 (ja) 2021-02-24 2022-02-24 磁気ディスク用基板、磁気ディスク、円環形状基板、および磁気ディスク用基板の製造方法

Publications (1)

Publication Number Publication Date
CN116897392A true CN116897392A (zh) 2023-10-17

Family

ID=83049177

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280015751.3A Pending CN116897392A (zh) 2021-02-24 2022-02-24 磁盘用基板、磁盘、圆环形状基板及磁盘用基板的制造方法

Country Status (4)

Country Link
US (2) US12266389B2 (https=)
JP (2) JP7467759B2 (https=)
CN (1) CN116897392A (https=)
WO (1) WO2022181715A1 (https=)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004273030A (ja) * 2003-03-10 2004-09-30 Hitachi Ltd ディスク基板、磁気ディスクおよびその製造方法
US20060018052A1 (en) * 2004-07-23 2006-01-26 Konica Minolta Opto, Inc. Information recording medium glass substrate, information recording medium, information recording apparatus and manufacturing method of information recording medium glass substrate
JP2006040361A (ja) * 2004-07-23 2006-02-09 Konica Minolta Opto Inc 情報記録媒体用ガラス基板、情報記録媒体、情報記録装置及び情報記録媒体用ガラス基板の製造方法
US20080135445A1 (en) * 2006-12-11 2008-06-12 Don Juliano Insert trays for packages, packages including such trays, and methods for packaging articles of manufacture
WO2013031548A1 (ja) * 2011-08-29 2013-03-07 旭硝子株式会社 ガラス板
WO2014129633A1 (ja) * 2013-02-22 2014-08-28 Hoya株式会社 磁気ディスク用ガラス基板、磁気ディスク
CN104603875A (zh) * 2012-09-28 2015-05-06 Hoya株式会社 磁盘用玻璃基板、磁盘

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5521781A (en) * 1992-10-30 1996-05-28 Shin-Etsu Chemical Co., Ltd. Substrate for magnetic recording medium
JP4274708B2 (ja) * 2001-05-14 2009-06-10 Ｈｏｙａ株式会社 磁気記録媒体用ガラス基板及びその製造方法
JP2006079800A (ja) * 2004-08-11 2006-03-23 Showa Denko Kk 磁気記録媒体用シリコン基板及びその製造方法並びに磁気記録媒体
JP2009173295A (ja) * 2008-01-22 2009-08-06 Konica Minolta Opto Inc 記録媒体用ガラス基板の収納容器、記録媒体用ガラス基板収納体、記録媒体用ガラス基板の製造方法、記録媒体用ガラス基板及び記録媒体
JP2010238302A (ja) 2009-03-31 2010-10-21 Hoya Corp 磁気ディスク用ガラス基板の製造方法及びそれに用いる電着砥石
JP6106813B1 (ja) * 2015-09-30 2017-04-05 Hoya株式会社 磁気ディスク用ガラス基板、磁気ディスク、ガラス基板中間体、及び磁気ディスク用ガラス基板の製造方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004273030A (ja) * 2003-03-10 2004-09-30 Hitachi Ltd ディスク基板、磁気ディスクおよびその製造方法
US20060018052A1 (en) * 2004-07-23 2006-01-26 Konica Minolta Opto, Inc. Information recording medium glass substrate, information recording medium, information recording apparatus and manufacturing method of information recording medium glass substrate
JP2006040361A (ja) * 2004-07-23 2006-02-09 Konica Minolta Opto Inc 情報記録媒体用ガラス基板、情報記録媒体、情報記録装置及び情報記録媒体用ガラス基板の製造方法
US20080135445A1 (en) * 2006-12-11 2008-06-12 Don Juliano Insert trays for packages, packages including such trays, and methods for packaging articles of manufacture
WO2013031548A1 (ja) * 2011-08-29 2013-03-07 旭硝子株式会社 ガラス板
CN104603875A (zh) * 2012-09-28 2015-05-06 Hoya株式会社 磁盘用玻璃基板、磁盘
CN106098085A (zh) * 2012-09-28 2016-11-09 Hoya株式会社 磁盘用玻璃基板、磁盘以及圆环状的玻璃坯板
WO2014129633A1 (ja) * 2013-02-22 2014-08-28 Hoya株式会社 磁気ディスク用ガラス基板、磁気ディスク
CN105009212A (zh) * 2013-02-22 2015-10-28 Hoya株式会社 磁盘用玻璃基板和磁盘

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
吕玉山;王军;孙军;王志友;冯连东;: "PVA固结磨具研磨硬磁盘基片的接触压强分布", 沈阳建筑大学学报(自然科学版), no. 06, 15 November 2007 (2007-11-15) *

Also Published As

Publication number Publication date
US12266389B2 (en) 2025-04-01
JP7467759B2 (ja) 2024-04-15
JPWO2022181715A1 (https=) 2022-09-01
JP7809741B2 (ja) 2026-02-02
US20250191612A1 (en) 2025-06-12
US20240135970A1 (en) 2024-04-25
JP2024099538A (ja) 2024-07-25
US20240233764A9 (en) 2024-07-11
WO2022181715A1 (ja) 2022-09-01

Similar Documents

Publication Publication Date Title
US20100247977A1 (en) Subastrate for a magnetic disk and method of manufacturing the same
JP5305698B2 (ja) 磁気ディスク用ガラス基板の製造方法、磁気ディスク製造方法および磁気ディスク用ガラス基板
JP7547449B2 (ja) 研磨液、ガラス基板の製造方法、及び、磁気ディスクの製造方法
JP6280355B2 (ja) 磁気ディスク用基板の製造方法及び研磨処理用キャリア
US20130074550A1 (en) Manufacturing method of a sheet glass material for magnetic disk and manufacturing method of a glass substrate for magnetic disk
JP4905238B2 (ja) 磁気記録媒体用ガラス基板の研磨方法
JP5297281B2 (ja) 磁気ディスク用ガラス基板の製造方法
JP6001815B1 (ja) 磁気ディスク用基板の製造方法、及び研削用砥石
CN116897392A (zh) 磁盘用基板、磁盘、圆环形状基板及磁盘用基板的制造方法
CN108564970B (zh) 玻璃基板的制造方法、磁盘用玻璃基板的制造方法
JP5690540B2 (ja) 情報記録媒体用ガラス基板の製造方法
CN108779013B (zh) 玻璃坯料、玻璃坯料的制造方法以及磁盘用玻璃基板的制造方法
WO2012090655A1 (ja) ガラス基板の製造方法
JP6199047B2 (ja) 磁気ディスク用ガラス基板の製造方法
JP2010179395A (ja) ガラス基板の製造方法
CN109285565B (zh) 磁盘用玻璃基板的制造方法和磁盘的制造方法
JP2014180709A (ja) 回転砥石及び磁気ディスク用ガラス基板の製造方法
CN106716531A (zh) 磁盘用基板的制造方法和磁盘的制造方法
WO2014156189A1 (ja) ハードディスク用ガラス基板及びその製造方法
JP2014161989A (ja) 回転砥石及び磁気ディスク用ガラス基板の製造方法
JP2010231845A (ja) 磁気ディスク用ガラス基板の製造方法

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination