JPWO2022071512A1 - - Google Patents

Info

Publication number
JPWO2022071512A1
JPWO2022071512A1 JP2022554108A JP2022554108A JPWO2022071512A1 JP WO2022071512 A1 JPWO2022071512 A1 JP WO2022071512A1 JP 2022554108 A JP2022554108 A JP 2022554108A JP 2022554108 A JP2022554108 A JP 2022554108A JP WO2022071512 A1 JPWO2022071512 A1 JP WO2022071512A1
Authority
JP
Japan
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.)
Granted
Application number
JP2022554108A
Other languages
Japanese (ja)
Other versions
JPWO2022071512A5 (https=
JP7349583B2 (ja
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 filed Critical
Publication of JPWO2022071512A1 publication Critical patent/JPWO2022071512A1/ja
Publication of JPWO2022071512A5 publication Critical patent/JPWO2022071512A5/ja
Priority to JP2023147077A priority Critical patent/JP7623449B2/ja
Application granted granted Critical
Publication of JP7349583B2 publication Critical patent/JP7349583B2/ja
Priority to JP2025005933A priority patent/JP7811289B2/ja
Priority to JP2026009819A priority patent/JP2026067949A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • 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

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
JP2022554108A 2020-09-30 2021-09-30 スペーサ及びハードディスクドライブ装置 Active JP7349583B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2023147077A JP7623449B2 (ja) 2020-09-30 2023-09-11 ハードディスクドライブ装置
JP2025005933A JP7811289B2 (ja) 2020-09-30 2025-01-16 スペーサ及びハードディスクドライブ装置
JP2026009819A JP2026067949A (ja) 2020-09-30 2026-01-23 スペーサ及びハードディスクドライブ装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063085262P 2020-09-30 2020-09-30
US63/085,262 2020-09-30
PCT/JP2021/036234 WO2022071512A1 (ja) 2020-09-30 2021-09-30 スペーサ及びハードディスクドライブ装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023147077A Division JP7623449B2 (ja) 2020-09-30 2023-09-11 ハードディスクドライブ装置

Publications (3)

Publication Number Publication Date
JPWO2022071512A1 true JPWO2022071512A1 (https=) 2022-04-07
JPWO2022071512A5 JPWO2022071512A5 (https=) 2023-02-24
JP7349583B2 JP7349583B2 (ja) 2023-09-22

Family

ID=80950535

Family Applications (4)

Application Number Title Priority Date Filing Date
JP2022554108A Active JP7349583B2 (ja) 2020-09-30 2021-09-30 スペーサ及びハードディスクドライブ装置
JP2023147077A Active JP7623449B2 (ja) 2020-09-30 2023-09-11 ハードディスクドライブ装置
JP2025005933A Active JP7811289B2 (ja) 2020-09-30 2025-01-16 スペーサ及びハードディスクドライブ装置
JP2026009819A Pending JP2026067949A (ja) 2020-09-30 2026-01-23 スペーサ及びハードディスクドライブ装置

Family Applications After (3)

Application Number Title Priority Date Filing Date
JP2023147077A Active JP7623449B2 (ja) 2020-09-30 2023-09-11 ハードディスクドライブ装置
JP2025005933A Active JP7811289B2 (ja) 2020-09-30 2025-01-16 スペーサ及びハードディスクドライブ装置
JP2026009819A Pending JP2026067949A (ja) 2020-09-30 2026-01-23 スペーサ及びハードディスクドライブ装置

Country Status (4)

Country Link
US (3) US12051442B2 (https=)
JP (4) JP7349583B2 (https=)
CN (1) CN116097356A (https=)
WO (1) WO2022071512A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12051442B2 (en) * 2020-09-30 2024-07-30 Hoya Corporation Hard disk drive spacer having chamfered surface and main surface with inclined region
WO2022196314A1 (ja) * 2021-03-19 2022-09-22 株式会社Uacj 磁気ディスク装置および磁気ディスク装置を製造する方法
WO2025203640A1 (ja) * 2024-03-29 2025-10-02 Hoya株式会社 磁気記録装置、及び積層構造体

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6707637B1 (en) * 2001-12-14 2004-03-16 Western Digital Technologies, Inc. Disk drive including disk spacer with different side surface patterns
JP2012221537A (ja) * 2011-04-12 2012-11-12 Asahi Glass Co Ltd ガラス基板の内周端面研磨方法及びガラス基板の製造方法
JP2019036371A (ja) * 2017-08-10 2019-03-07 センチュリーホールディングス株式会社 磁気ディスク装置に用いるスペーサ
JP2019125413A (ja) * 2017-09-29 2019-07-25 Hoya株式会社 ガラススペーサ及びハードディスクドライブ装置
JP2020129423A (ja) * 2019-02-07 2020-08-27 株式会社東芝 ディスク装置

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0320072U (https=) * 1989-06-30 1991-02-27
JPH0354782A (ja) * 1989-07-21 1991-03-08 Hitachi Ltd 磁気ディスク装置
JPH08315533A (ja) * 1995-03-15 1996-11-29 Kyocera Corp 磁気ディスク基板用保持部材およびこれを用いた磁気ディスク装置
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
US6201661B1 (en) * 1998-05-18 2001-03-13 Seagate Technology Llc Disc slip preventing spacer ring apparatus and method of use
US6172844B1 (en) * 1998-06-15 2001-01-09 Seagate Technology Llc Double grooved spacer for a disc drive
US6208486B1 (en) * 1999-05-14 2001-03-27 Western Digital Corporation Spindle motor flange land portion
US6381092B1 (en) * 2000-01-10 2002-04-30 Komag, Inc. Spacer rings to compensate for disk warpage
JP2001291301A (ja) * 2000-04-07 2001-10-19 Hitachi Ltd 磁気ディスク装置
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
JP2002133743A (ja) * 2000-10-26 2002-05-10 Internatl Business Mach Corp <Ibm> 情報記録ディスク装置用ディスククランプ、及び、情報記録ディスク装置
JP2003045139A (ja) * 2001-07-30 2003-02-14 Kyocera Corp 磁気ディスク基板保持用スペーサ
JP2003257154A (ja) * 2002-02-28 2003-09-12 Toshiba Corp ディスク支持装置およびこれを備えた磁気ディスク装置
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
JP2003288766A (ja) * 2002-03-28 2003-10-10 Kyocera Corp 磁気ディスク基板用保持部材及びその製造方法
US7310200B2 (en) * 2002-08-15 2007-12-18 Seagate Technology Llc Resonance response separation for axially aligned rotatable discs
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
WO2006075639A1 (ja) * 2005-01-13 2006-07-20 Matsushita Electric Industrial Co., Ltd. ディスク装置
KR100849200B1 (ko) * 2007-01-29 2008-07-31 삼성전자주식회사 스핀들 모터 및 그를 구비한 하드디스크 드라이브
MY168319A (en) * 2012-06-27 2018-10-30 Fuji Electric Co Ltd Magnetic recording medium
US8699182B2 (en) * 2012-09-17 2014-04-15 Seagate Technology Llc Fluid dynamic motor with reduced vibrations
MY183814A (en) * 2013-12-27 2021-03-17 Hoya Corp Magnetic-disk substrate and magnetic disk
US10872635B2 (en) * 2017-08-31 2020-12-22 Hoya Corporation Spacer and hard disk drive apparatus
US12051442B2 (en) * 2020-09-30 2024-07-30 Hoya Corporation Hard disk drive spacer having chamfered surface and main surface with inclined region

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6707637B1 (en) * 2001-12-14 2004-03-16 Western Digital Technologies, Inc. Disk drive including disk spacer with different side surface patterns
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
JP2012221537A (ja) * 2011-04-12 2012-11-12 Asahi Glass Co Ltd ガラス基板の内周端面研磨方法及びガラス基板の製造方法
JP2019036371A (ja) * 2017-08-10 2019-03-07 センチュリーホールディングス株式会社 磁気ディスク装置に用いるスペーサ
JP2019125413A (ja) * 2017-09-29 2019-07-25 Hoya株式会社 ガラススペーサ及びハードディスクドライブ装置
JP2020129423A (ja) * 2019-02-07 2020-08-27 株式会社東芝 ディスク装置

Also Published As

Publication number Publication date
US20230368815A1 (en) 2023-11-16
JP2023169249A (ja) 2023-11-29
JP2025061365A (ja) 2025-04-10
JP7811289B2 (ja) 2026-02-04
WO2022071512A1 (ja) 2022-04-07
JP2026067949A (ja) 2026-04-21
US20240347076A1 (en) 2024-10-17
US20250384898A1 (en) 2025-12-18
US12394439B2 (en) 2025-08-19
JP7349583B2 (ja) 2023-09-22
JP7623449B2 (ja) 2025-01-28
US12051442B2 (en) 2024-07-30
CN116097356A (zh) 2023-05-09

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