CN116097356A - 间隔件及硬盘驱动器装置 - Google Patents

间隔件及硬盘驱动器装置 Download PDF

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Publication number
CN116097356A
CN116097356A CN202180061984.2A CN202180061984A CN116097356A CN 116097356 A CN116097356 A CN 116097356A CN 202180061984 A CN202180061984 A CN 202180061984A CN 116097356 A CN116097356 A CN 116097356A
Authority
CN
China
Prior art keywords
spacer
magnetic disk
main surface
outer peripheral
peripheral surface
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
CN202180061984.2A
Other languages
English (en)
Chinese (zh)
Inventor
高野正夫
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 CN116097356A publication Critical patent/CN116097356A/zh
Pending legal-status Critical Current

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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)
CN202180061984.2A 2020-09-30 2021-09-30 间隔件及硬盘驱动器装置 Pending CN116097356A (zh)

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

Publications (1)

Publication Number Publication Date
CN116097356A true CN116097356A (zh) 2023-05-09

Family

ID=80950535

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180061984.2A Pending CN116097356A (zh) 2020-09-30 2021-09-30 间隔件及硬盘驱动器装置

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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001291301A (ja) * 2000-04-07 2001-10-19 Hitachi Ltd 磁気ディスク装置
US6381092B1 (en) * 2000-01-10 2002-04-30 Komag, Inc. Spacer rings to compensate for disk warpage
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
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
CN105830156A (zh) * 2013-12-27 2016-08-03 Hoya株式会社 磁盘用基板和磁盘
CN110651326A (zh) * 2017-08-31 2020-01-03 Hoya株式会社 间隔件和硬盘驱动器装置

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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
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
US6707637B1 (en) 2001-12-14 2004-03-16 Western Digital Technologies, Inc. Disk drive including disk spacer with different side surface patterns
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
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
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
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
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
JP6467471B1 (ja) * 2017-08-10 2019-02-13 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
JP6505959B1 (ja) * 2017-09-29 2019-04-24 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
JP7077248B2 (ja) 2019-02-07 2022-05-30 株式会社東芝 ディスク装置
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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
CN105830156A (zh) * 2013-12-27 2016-08-03 Hoya株式会社 磁盘用基板和磁盘
CN110651326A (zh) * 2017-08-31 2020-01-03 Hoya株式会社 间隔件和硬盘驱动器装置

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
JPWO2022071512A1 (https=) 2022-04-07

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