CN106098085B - 磁盘用玻璃基板、磁盘以及圆环状的玻璃坯板 - Google Patents

磁盘用玻璃基板、磁盘以及圆环状的玻璃坯板 Download PDF

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Publication number
CN106098085B
CN106098085B CN201610412698.7A CN201610412698A CN106098085B CN 106098085 B CN106098085 B CN 106098085B CN 201610412698 A CN201610412698 A CN 201610412698A CN 106098085 B CN106098085 B CN 106098085B
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China
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face
glass substrate
glass plate
radius
disc
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Chinese (zh)
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CN106098085A (zh
Inventor
高桥武良
植田政明
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Hoya Corp
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Hoya Corp
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    • 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
    • G11B5/62—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
CN201610412698.7A 2012-09-28 2013-09-30 磁盘用玻璃基板、磁盘以及圆环状的玻璃坯板 Active CN106098085B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP2012-218706 2012-09-28
JP2012218706 2012-09-28
CN201380044545.6A CN104603875B (zh) 2012-09-28 2013-09-30 磁盘用玻璃基板、磁盘

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201380044545.6A Division CN104603875B (zh) 2012-09-28 2013-09-30 磁盘用玻璃基板、磁盘

Publications (2)

Publication Number Publication Date
CN106098085A CN106098085A (zh) 2016-11-09
CN106098085B true CN106098085B (zh) 2019-07-02

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ID=50388536

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CN201610412698.7A Active CN106098085B (zh) 2012-09-28 2013-09-30 磁盘用玻璃基板、磁盘以及圆环状的玻璃坯板
CN201380044545.6A Active CN104603875B (zh) 2012-09-28 2013-09-30 磁盘用玻璃基板、磁盘

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CN201380044545.6A Active CN104603875B (zh) 2012-09-28 2013-09-30 磁盘用玻璃基板、磁盘

Country Status (6)

Country Link
US (3) US9583128B2 (cg-RX-API-DMAC7.html)
JP (2) JP5574392B1 (cg-RX-API-DMAC7.html)
CN (2) CN106098085B (cg-RX-API-DMAC7.html)
MY (2) MY198411A (cg-RX-API-DMAC7.html)
SG (2) SG10201605879PA (cg-RX-API-DMAC7.html)
WO (1) WO2014051152A1 (cg-RX-API-DMAC7.html)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY198411A (en) * 2012-09-28 2023-08-28 Hoya Corp Magnetic-Disk Glass Substrate and Magnetic Disk
CN104823239B (zh) * 2012-12-29 2018-04-03 Hoya株式会社 磁盘用玻璃基板和磁盘
MY172325A (en) * 2013-02-22 2019-11-21 Hoya Corp Annular substrate, magnetic-disk substrate, method for manufacturing a magnetic-disk substrate, magnetic disk, method for manufacturing a magnetic disk, and hard disk apparatus
MY165594A (en) 2013-03-01 2018-04-16 Hoya Corp Glass substrate for magnetic disk and magnetic disk
SG11201606688RA (en) * 2014-03-31 2016-09-29 Hoya Corp Magnetic-disk glass substrate
JP6020754B1 (ja) * 2015-12-25 2016-11-02 旭硝子株式会社 磁気記録媒体用ガラス基板、磁気記録媒体
WO2020021705A1 (ja) * 2018-07-27 2020-01-30 Hoya株式会社 ガラス基板の製造方法及び磁気ディスクの製造方法
CN112513985B (zh) 2018-08-07 2023-07-28 Hoya株式会社 磁盘用基板以及磁盘
WO2022181715A1 (ja) * 2021-02-24 2022-09-01 Hoya株式会社 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
US11664050B2 (en) 2021-10-05 2023-05-30 Western Digital Technologies, Inc. Tuned edge profile of a disk substrate for use in magnetic recording media

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101611444A (zh) * 2007-02-20 2009-12-23 Hoya株式会社 磁盘用基板、磁盘以及磁盘装置

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DE19850744C1 (de) 1998-11-04 2000-10-05 Schott Glas Verwendung von Gläsern zur Herstellung von Festplattensubstraten
JP2002100031A (ja) * 2000-09-26 2002-04-05 Hoya Corp 磁気記録媒体用ガラス基板、及び磁気記録媒体
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
JP2006092722A (ja) * 2004-08-27 2006-04-06 Showa Denko Kk 磁気ディスク用基板および磁気ディスクの製造方法
JP2006099945A (ja) * 2004-08-30 2006-04-13 Showa Denko Kk 磁気記録媒体用ガラス基板および磁気記録媒体
CN101010734A (zh) 2004-08-30 2007-08-01 昭和电工株式会社 用于磁记录介质的玻璃基底以及磁记录介质
JP4545714B2 (ja) * 2005-07-08 2010-09-15 昭和電工株式会社 磁気記録媒体並びに磁気記録再生装置
JP2008094982A (ja) 2006-10-12 2008-04-24 Kao Corp メモリーハードディスク基板用研磨液組成物
SG10201501752PA (en) * 2007-02-20 2015-05-28 Hoya Corp Magnetic disc substrate, magnetic disc, and magnetic disc device
JP4952311B2 (ja) 2007-03-14 2012-06-13 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及び磁気記録媒体
JP4860580B2 (ja) * 2007-09-07 2012-01-25 Ｈｏｙａ株式会社 磁気ディスク用基板及び磁気ディスク
JP2009134802A (ja) * 2007-11-29 2009-06-18 Furukawa Electric Co Ltd:The 磁気ディスク用ガラス基板および磁気ディスク装置
JP4994213B2 (ja) 2007-12-21 2012-08-08 Ｈｏｙａ株式会社 磁気ディスク用ガラス基板、磁気ディスクおよび磁気ディスク用ガラス基板の製造方法
JP5361185B2 (ja) 2007-12-25 2013-12-04 Ｈｏｙａ株式会社 磁気ディスク用ガラス基板の製造方法
JP2010257562A (ja) * 2009-03-30 2010-11-11 Hoya Corp 磁気ディスク用基板及びその製造方法
MY198411A (en) * 2012-09-28 2023-08-28 Hoya Corp Magnetic-Disk Glass Substrate and Magnetic Disk
CN104823239B (zh) * 2012-12-29 2018-04-03 Hoya株式会社 磁盘用玻璃基板和磁盘
MY172325A (en) * 2013-02-22 2019-11-21 Hoya Corp Annular substrate, magnetic-disk substrate, method for manufacturing a magnetic-disk substrate, magnetic disk, method for manufacturing a magnetic disk, and hard disk apparatus
MY165594A (en) * 2013-03-01 2018-04-16 Hoya Corp Glass substrate for magnetic disk and magnetic disk

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101611444A (zh) * 2007-02-20 2009-12-23 Hoya株式会社 磁盘用基板、磁盘以及磁盘装置

Also Published As

Publication number Publication date
JPWO2014051152A1 (ja) 2016-08-25
CN104603875A (zh) 2015-05-06
JP6089001B2 (ja) 2017-03-01
CN106098085A (zh) 2016-11-09
US20150262604A1 (en) 2015-09-17
US20170140785A1 (en) 2017-05-18
WO2014051152A1 (ja) 2014-04-03
JP2014160539A (ja) 2014-09-04
JP5574392B1 (ja) 2014-08-20
US11094344B2 (en) 2021-08-17
US9583128B2 (en) 2017-02-28
US20190221233A1 (en) 2019-07-18
US10290315B2 (en) 2019-05-14
MY198411A (en) 2023-08-28
SG10201605879PA (en) 2016-08-30
MY171392A (en) 2019-10-10
SG11201501457VA (en) 2015-04-29
CN104603875B (zh) 2016-07-06

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