PH12022551901A1 - Glass spacer and hard disc drive device - Google Patents

Glass spacer and hard disc drive device

Info

Publication number
PH12022551901A1
PH12022551901A1 PH1/2022/551901A PH12022551901A PH12022551901A1 PH 12022551901 A1 PH12022551901 A1 PH 12022551901A1 PH 12022551901 A PH12022551901 A PH 12022551901A PH 12022551901 A1 PH12022551901 A1 PH 12022551901A1
Authority
PH
Philippines
Prior art keywords
glass spacer
drive device
disc drive
hard disc
spacers
Prior art date
Application number
PH1/2022/551901A
Other languages
English (en)
Inventor
Shinji Eda
Masao Takano
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 PH12022551901A1 publication Critical patent/PH12022551901A1/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/03—Containers for flat record carriers
    • G11B23/0301—Details
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/021—Selecting or spacing of record carriers for introducing the heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/038—Centering or locking of a plurality of discs in a single cartridge
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs

Landscapes

  • Magnetic Record Carriers (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
PH1/2022/551901A 2017-09-29 2018-10-01 Glass spacer and hard disc drive device PH12022551901A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017191256 2017-09-29
PCT/JP2018/036747 WO2019066086A1 (ja) 2017-09-29 2018-10-01 ガラススペーサ及びハードディスクドライブ装置

Publications (1)

Publication Number Publication Date
PH12022551901A1 true PH12022551901A1 (en) 2023-10-23

Family

ID=65901502

Family Applications (2)

Application Number Title Priority Date Filing Date
PH1/2022/551901A PH12022551901A1 (en) 2017-09-29 2018-10-01 Glass spacer and hard disc drive device
PH12019502614A PH12019502614A1 (en) 2017-09-29 2019-11-21 Glass spacer and hard disc drive device

Family Applications After (1)

Application Number Title Priority Date Filing Date
PH12019502614A PH12019502614A1 (en) 2017-09-29 2019-11-21 Glass spacer and hard disc drive device

Country Status (6)

Country Link
US (3) US10783921B2 (enExample)
JP (2) JP6505959B1 (enExample)
CN (2) CN110651327B (enExample)
MY (1) MY200214A (enExample)
PH (2) PH12022551901A1 (enExample)
WO (1) WO2019066086A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110651327B (zh) * 2017-09-29 2021-10-15 Hoya株式会社 玻璃间隔件和硬盘驱动器装置
SG11202001639WA (en) * 2018-02-01 2020-03-30 Hoya Corp Glass spacer, hard disk drive device, and method for producing glass spacer
JP7290792B2 (ja) * 2020-03-06 2023-06-13 Hoya株式会社 ガラススペーサの製造方法、ガラススペーサ、及びハードディスクドライブ装置
WO2022071512A1 (ja) * 2020-09-30 2022-04-07 Hoya株式会社 スペーサ及びハードディスクドライブ装置
JP7717846B2 (ja) * 2022-01-11 2025-08-04 古河電気工業株式会社 磁気ディスク用基板及びこれを用いた磁気ディスク

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5845112B2 (ja) * 1978-11-29 1983-10-07 日本電信電話株式会社 磁気デイスク装置
JPS62175980A (ja) 1986-01-29 1987-08-01 Hoya Corp 磁気デイスク装置
JP2941691B2 (ja) * 1995-07-31 1999-08-25 京セラ株式会社 磁気ディスク保持部材および磁気ディスク装置
US5969902A (en) 1995-03-15 1999-10-19 Kyocera Corporation Support magnetic disk substrate and magnetic disk unit using the support member composed of Forsterite and an iron based component
JP4136268B2 (ja) * 2000-04-26 2008-08-20 Ｈｏｙａ株式会社 ガラススペーサおよびそれを用いた情報記録装置
CN101092024A (zh) * 2000-04-28 2007-12-26 3M创新有限公司 研磨制品以及研磨玻璃的方法
JP2003272336A (ja) * 2002-03-18 2003-09-26 Asahi Glass Co Ltd 磁気ディスク用ガラス製取付け部材およびその製造方法
JP2003272337A (ja) * 2002-03-18 2003-09-26 Asahi Glass Co Ltd 磁気ディスク用ガラス製スペーサリングの製造方法およびスペーサリング
JP2006018922A (ja) * 2004-07-01 2006-01-19 Hoya Corp 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の製造方法
JP2008047193A (ja) * 2006-08-11 2008-02-28 Fujitsu Ltd クランプ装置
JP2008090900A (ja) * 2006-09-29 2008-04-17 Hoya Corp 磁気記録媒体およびその製造方法
JP2008192245A (ja) * 2007-02-06 2008-08-21 Fujitsu Ltd 磁気ディスク装置
JP2008240946A (ja) * 2007-03-28 2008-10-09 Ntn Corp 転がり軸受の潤滑装置
JP2008293552A (ja) * 2007-05-22 2008-12-04 Fujitsu Ltd 基板、磁気記録媒体及びその製造方法、並びに磁気記憶装置
JP4780142B2 (ja) * 2008-05-22 2011-09-28 信越半導体株式会社 ウェーハの製造方法
JP5261203B2 (ja) * 2009-01-09 2013-08-14 株式会社神戸製鋼所 アルミニウム合金スペーサおよびその製造方法
CN102859595B (zh) * 2010-03-31 2016-01-20 Hoya株式会社 磁盘用玻璃基板和玻璃雏形的制造方法以及磁盘用玻璃基板和玻璃雏形
JP5585269B2 (ja) * 2010-07-22 2014-09-10 旭硝子株式会社 磁気記録媒体用ガラス基板の製造方法
JP2012160252A (ja) * 2011-01-31 2012-08-23 Hoya Corp 磁気ディスク用ガラス基板の製造方法
WO2012111092A1 (ja) * 2011-02-15 2012-08-23 Hoya株式会社 情報記録媒体基板用ガラスブランク、情報記録媒体用基板及び情報記録媒体の製造方法並びに情報記録媒体基板用ガラスブランク製造装置
US8806893B2 (en) * 2011-02-18 2014-08-19 Hoya Corporation Manufacturing method of a glass blank for magnetic disk and manufacturing method of 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
JP5108134B1 (ja) * 2011-05-20 2012-12-26 株式会社オハラ 情報記録媒体用基板の製造方法
WO2013099082A1 (ja) * 2011-12-27 2013-07-04 コニカミノルタ株式会社 Ｈｄｄ用ガラス基板の製造方法
WO2013145503A1 (ja) * 2012-03-29 2013-10-03 コニカミノルタ株式会社 Ｈｄｄ用ガラス基板の製造方法
WO2013146090A1 (ja) * 2012-03-30 2013-10-03 Hoya株式会社 磁気ディスク用ガラス基板の製造方法
SG11201503250RA (en) * 2012-10-31 2015-06-29 Hoya Corp Method for manufacturing glass substrate for magnetic disk and method for manufacturing magnetic disk
CN105009212B (zh) * 2013-02-22 2018-07-20 Hoya株式会社 磁盘用玻璃基板和磁盘
JP6313314B2 (ja) * 2013-09-28 2018-04-18 Hoya株式会社 磁気ディスク用ガラス基板の製造方法、ガラス基板の製造方法及び磁気ディスクの製造方法、並びに研削工具
CN110651327B (zh) * 2017-09-29 2021-10-15 Hoya株式会社 玻璃间隔件和硬盘驱动器装置

Also Published As

Publication number Publication date
PH12019502614A1 (en) 2020-12-07
CN110651327A (zh) 2020-01-03
CN113808627A (zh) 2021-12-17
JP2019125413A (ja) 2019-07-25
US10783921B2 (en) 2020-09-22
US11705158B2 (en) 2023-07-18
CN113808627B (zh) 2023-03-17
JPWO2019066086A1 (ja) 2019-11-14
US11244706B2 (en) 2022-02-08
JP7202947B2 (ja) 2023-01-12
CN110651327B (zh) 2021-10-15
US20200211596A1 (en) 2020-07-02
US20200395046A1 (en) 2020-12-17
MY200214A (en) 2023-12-14
JP6505959B1 (ja) 2019-04-24
US20220157340A1 (en) 2022-05-19
WO2019066086A1 (ja) 2019-04-04

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