JP6505960B1 - スペーサ及びハードディスクドライブ装置 - Google Patents

スペーサ及びハードディスクドライブ装置 Download PDF

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Publication number
JP6505960B1
JP6505960B1 JP2019508271A JP2019508271A JP6505960B1 JP 6505960 B1 JP6505960 B1 JP 6505960B1 JP 2019508271 A JP2019508271 A JP 2019508271A JP 2019508271 A JP2019508271 A JP 2019508271A JP 6505960 B1 JP6505960 B1 JP 6505960B1
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Prior art keywords
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magnetic disk
peripheral end
outer peripheral
face
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JP2019508271A
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English (en)
Japanese (ja)
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JPWO2019045074A1 (ja
Inventor
正夫 高野
正夫 高野
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Hoya Corp
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Hoya Corp
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Publication of JPWO2019045074A1 publication Critical patent/JPWO2019045074A1/ja
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    • 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
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • 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
    • 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
    • G11B23/0057—Intermediate mediums, i.e. mediums provided with an information structure not specific to the method of reproducing or duplication such as matrixes for mechanical pressing of an information structure ; record carriers having a relief information structure provided with or included in layers not specific for a single reproducing method; apparatus or processes specially adapted for their manufacture
    • 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

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  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
JP2019508271A 2017-08-31 2018-08-31 スペーサ及びハードディスクドライブ装置 Active JP6505960B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2017167236 2017-08-31
JP2017167236 2017-08-31
PCT/JP2018/032488 WO2019045074A1 (ja) 2017-08-31 2018-08-31 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
JP2019060618A Division JP7165611B2 (ja) 2017-08-31 2019-03-27 スペーサ及びハードディスクドライブ装置

Publications (2)

Publication Number Publication Date
JP6505960B1 true JP6505960B1 (ja) 2019-04-24
JPWO2019045074A1 JPWO2019045074A1 (ja) 2019-11-07

Family

ID=65525849

Family Applications (2)

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JP2019508271A Active JP6505960B1 (ja) 2017-08-31 2018-08-31 スペーサ及びハードディスクドライブ装置
JP2019060618A Active JP7165611B2 (ja) 2017-08-31 2019-03-27 スペーサ及びハードディスクドライブ装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2019060618A Active JP7165611B2 (ja) 2017-08-31 2019-03-27 スペーサ及びハードディスクドライブ装置

Country Status (5)

Country Link
US (2) US10872635B2 (https=)
JP (2) JP6505960B1 (https=)
CN (2) CN110651326B (https=)
PH (1) PH12019502613B1 (https=)
WO (1) WO2019045074A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7069279B1 (ja) 2020-11-19 2022-05-17 株式会社Uacj 磁気ディスク装置
JP2023116570A (ja) * 2020-03-06 2023-08-22 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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6505960B1 (ja) * 2017-08-31 2019-04-24 Hoya株式会社 スペーサ及びハードディスクドライブ装置
JP6684975B2 (ja) * 2018-02-01 2020-04-22 Hoya株式会社 ガラススペーサ、ハードディスクドライブ装置、及びガラススペーサの製造方法
US12051442B2 (en) * 2020-09-30 2024-07-30 Hoya Corporation Hard disk drive spacer having chamfered surface and main surface with inclined region
US11676633B2 (en) * 2021-04-28 2023-06-13 Seagate Technology Llc Coated disk separator plate, electronic devices that include one or more coated disk separator plates, and related methods of making and using

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62175980A (ja) * 1986-01-29 1987-08-01 Hoya Corp 磁気デイスク装置
JP2001118306A (ja) * 1999-10-21 2001-04-27 Hitachi Ltd 磁気ディスク装置
JP2001307452A (ja) * 2000-04-26 2001-11-02 Nippon Sheet Glass Co Ltd ガラススペーサおよびそれを用いた情報記録装置
JP2002230933A (ja) * 2001-01-31 2002-08-16 Kyocera Corp 磁気ディスク基板用保持部材及びこれを用いた磁気ディスク装置
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
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
JP2004348860A (ja) * 2003-05-22 2004-12-09 Hitachi Global Storage Technologies Inc 磁気ディスク装置

Family Cites Families (19)

* 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
US5596462A (en) * 1994-11-29 1997-01-21 International Business Machines Corporation Data storage disk clamp apparatus for minimizing disk clamping force and surface area
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
JPH09115216A (ja) * 1995-10-19 1997-05-02 Hitachi Ltd 磁気ディスク装置のスピンドル構造及び磁気ディスク装置
US5724208A (en) * 1996-04-30 1998-03-03 Kabushiki Kaisha Soode Nagano Hard disc spacer and hard disc clamp
US6615613B1 (en) * 1999-09-30 2003-09-09 Hoya Corporation Method of grinding a substrate and method of manufacturing a glass substrate and a magnetic recording medium by the use of the glass substrate
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
JP2003308672A (ja) 2002-04-09 2003-10-31 Asahi Glass Co Ltd 磁気ディスク用リング状スペーサの加工方法および磁気ディスク用リング状スペーサ
KR100604861B1 (ko) * 2004-05-29 2006-07-31 삼성전자주식회사 디스크 스페이서와 이를 구비한 스핀들 모터 조립체
KR100585151B1 (ko) * 2004-07-05 2006-05-30 삼성전자주식회사 하드 디스크 드라이브
KR100660847B1 (ko) * 2004-12-18 2006-12-26 삼성전자주식회사 데이터 기록용 디스크와 이를 구비한 하드 디스크 드라이브
US7239121B2 (en) * 2005-03-11 2007-07-03 Hitachi Global Storage Technologies Netherlands B.V. Quantative extraction of micro particles from metallic disk spacer rings
JP2006294099A (ja) * 2005-04-07 2006-10-26 Asahi Glass Co Ltd 磁気記録媒体用ガラス基板の周面研磨装置及び製造方法
JP2011198429A (ja) * 2010-03-23 2011-10-06 Hoya Corp 磁気ディスク用ガラス基板およびその評価方法
JP5029777B1 (ja) * 2011-11-22 2012-09-19 旭硝子株式会社 磁気記録媒体用ガラス基板、および該磁気記録媒体用ガラス基板を用いた磁気記録媒体
CN105849806B (zh) * 2013-12-26 2017-11-21 Hoya株式会社 磁盘用基板、磁盘和磁盘驱动装置
JP6505960B1 (ja) * 2017-08-31 2019-04-24 Hoya株式会社 スペーサ及びハードディスクドライブ装置
JP6684975B2 (ja) * 2018-02-01 2020-04-22 Hoya株式会社 ガラススペーサ、ハードディスクドライブ装置、及びガラススペーサの製造方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62175980A (ja) * 1986-01-29 1987-08-01 Hoya Corp 磁気デイスク装置
JP2001118306A (ja) * 1999-10-21 2001-04-27 Hitachi Ltd 磁気ディスク装置
JP2001307452A (ja) * 2000-04-26 2001-11-02 Nippon Sheet Glass Co Ltd ガラススペーサおよびそれを用いた情報記録装置
JP2002230933A (ja) * 2001-01-31 2002-08-16 Kyocera Corp 磁気ディスク基板用保持部材及びこれを用いた磁気ディスク装置
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
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
JP2004348860A (ja) * 2003-05-22 2004-12-09 Hitachi Global Storage Technologies Inc 磁気ディスク装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023116570A (ja) * 2020-03-06 2023-08-22 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
JP7726949B2 (ja) 2020-03-06 2025-08-20 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
JP7069279B1 (ja) 2020-11-19 2022-05-17 株式会社Uacj 磁気ディスク装置
WO2022107680A1 (ja) * 2020-11-19 2022-05-27 株式会社Uacj 磁気ディスク装置
JP2022081217A (ja) * 2020-11-19 2022-05-31 株式会社Uacj 磁気ディスク装置
US11935559B2 (en) 2020-11-19 2024-03-19 Uacj Corporation Magnetic disk device

Also Published As

Publication number Publication date
JP2019125412A (ja) 2019-07-25
US10872635B2 (en) 2020-12-22
CN114388000A (zh) 2022-04-22
US20210090603A1 (en) 2021-03-25
PH12019502613A1 (en) 2020-12-07
US20200234731A1 (en) 2020-07-23
CN110651326B (zh) 2022-02-01
WO2019045074A1 (ja) 2019-03-07
CN114388000B (zh) 2024-01-30
JP7165611B2 (ja) 2022-11-04
PH12019502613B1 (en) 2023-05-31
JPWO2019045074A1 (ja) 2019-11-07
US11238895B2 (en) 2022-02-01
CN110651326A (zh) 2020-01-03

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