MY198411A - Magnetic-Disk Glass Substrate and Magnetic Disk - Google Patents

Magnetic-Disk Glass Substrate and Magnetic Disk

Info

Publication number
MY198411A
MY198411A MYPI2019000028A MYPI2019000028A MY198411A MY 198411 A MY198411 A MY 198411A MY PI2019000028 A MYPI2019000028 A MY PI2019000028A MY PI2019000028 A MYPI2019000028 A MY PI2019000028A MY 198411 A MY198411 A MY 198411A
Authority
MY
Malaysia
Prior art keywords
glass substrate
magnetic
disk
side wall
difference
Prior art date
Application number
MYPI2019000028A
Other languages
English (en)
Inventor
Takahashi Takeyoshi
Ueda Masaaki
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 MY198411A publication Critical patent/MY198411A/en

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
    • G11B5/62—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
    • 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

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)
MYPI2019000028A 2012-09-28 2013-09-30 Magnetic-Disk Glass Substrate and Magnetic Disk MY198411A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012218706 2012-09-28

Publications (1)

Publication Number Publication Date
MY198411A true MY198411A (en) 2023-08-28

Family

ID=50388536

Family Applications (2)

Application Number Title Priority Date Filing Date
MYPI2019000028A MY198411A (en) 2012-09-28 2013-09-30 Magnetic-Disk Glass Substrate and Magnetic Disk
MYPI2015700584A MY171392A (en) 2012-09-28 2013-09-30 Magnetic-disk glass substrate and magnetic disk

Family Applications After (1)

Application Number Title Priority Date Filing Date
MYPI2015700584A MY171392A (en) 2012-09-28 2013-09-30 Magnetic-disk glass substrate and magnetic disk

Country Status (6)

Country Link
US (3) US9583128B2 (enExample)
JP (2) JP5574392B1 (enExample)
CN (2) CN106098085B (enExample)
MY (2) MY198411A (enExample)
SG (2) SG11201501457VA (enExample)
WO (1) WO2014051152A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9583128B2 (en) * 2012-09-28 2017-02-28 Hoya Corporation Magnetic-disk glass substrate and magnetic disk
JP5860173B2 (ja) * 2012-12-29 2016-02-16 Hoya株式会社 磁気ディスク用ガラス基板および磁気ディスク
JP5703430B2 (ja) * 2013-02-22 2015-04-22 Hoya株式会社 磁気ディスク用ガラス基板、磁気ディスク
WO2014133148A1 (ja) 2013-03-01 2014-09-04 Hoya株式会社 磁気ディスク用ガラス基板および磁気ディスク
CN108133714B (zh) * 2014-03-31 2019-08-23 Hoya株式会社 磁盘用玻璃基板
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
CN116798456B (zh) * 2018-08-07 2026-06-12 Hoya株式会社 磁盘用基板、磁盘以及硬盘驱动装置
US20210090601A1 (en) 2019-09-25 2021-03-25 Western Digital Technologies, Inc. Magnetic recording apparatus comprising disk with reduced thickness and reduced disk flatness
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

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
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
CN101611444B (zh) * 2007-02-20 2012-10-10 Hoya株式会社 磁盘用基板、磁盘以及磁盘装置
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
US9583128B2 (en) * 2012-09-28 2017-02-28 Hoya Corporation Magnetic-disk glass substrate and magnetic disk
JP5860173B2 (ja) * 2012-12-29 2016-02-16 Hoya株式会社 磁気ディスク用ガラス基板および磁気ディスク
JP5703430B2 (ja) * 2013-02-22 2015-04-22 Hoya株式会社 磁気ディスク用ガラス基板、磁気ディスク
WO2014133148A1 (ja) * 2013-03-01 2014-09-04 Hoya株式会社 磁気ディスク用ガラス基板および磁気ディスク

Also Published As

Publication number Publication date
WO2014051152A1 (ja) 2014-04-03
US20150262604A1 (en) 2015-09-17
US20170140785A1 (en) 2017-05-18
JP5574392B1 (ja) 2014-08-20
SG10201605879PA (en) 2016-08-30
CN104603875B (zh) 2016-07-06
US9583128B2 (en) 2017-02-28
US11094344B2 (en) 2021-08-17
US20190221233A1 (en) 2019-07-18
MY171392A (en) 2019-10-10
JP2014160539A (ja) 2014-09-04
JPWO2014051152A1 (ja) 2016-08-25
US10290315B2 (en) 2019-05-14
SG11201501457VA (en) 2015-04-29
CN106098085A (zh) 2016-11-09
CN106098085B (zh) 2019-07-02
JP6089001B2 (ja) 2017-03-01
CN104603875A (zh) 2015-05-06

Similar Documents

Publication Publication Date Title
MY171392A (en) Magnetic-disk glass substrate and magnetic disk
MY197940A (en) Magnetic-disk glass substrate and magnetic disk
MY166438A (en) Glass substrate for magnetic disk and magnetic disk
USD744284S1 (en) Glass
USD726280S1 (en) Reticle
USD755335S1 (en) Submachine gun
MY165594A (en) Glass substrate for magnetic disk and magnetic disk
WO2013181208A3 (en) Cover glass article
USD750938S1 (en) Glass
MY169200A (en) Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate
USD701790S1 (en) Diamond forming a cross
WO2014077681A3 (en) Container, preform assembly and method and apparatus for forming containers
MY166439A (en) Glass substrate for magnetic disk and magnetic disk
IN2014DE01336A (enExample)
MX378948B (es) Contenedores de vidrio con resistencia a la deslaminación y mejorada tolerancia al daño.
FI20115953A0 (fi) Pneumaattinen rengas
USD729161S1 (en) Pedestal for charging stations
EP3608428A4 (en) ORIENTED SILICONE STEEL WITH LOW CORE LOSS AND MANUFACTURING METHOD FOR IT
JP2014160539A5 (enExample)
GB2491674B (en) System and method for wheel lock ring assembly
USD761736S1 (en) Non-contact type data carrier
MY176919A (en) Multipiece tolerance ring
EP2772656A3 (en) Frictional coupling
IN2014KN01124A (enExample)
TWI412438B (enExample)