JP7633378B2 - 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 - Google Patents

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 Download PDF

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Publication number
JP7633378B2
JP7633378B2 JP2023506930A JP2023506930A JP7633378B2 JP 7633378 B2 JP7633378 B2 JP 7633378B2 JP 2023506930 A JP2023506930 A JP 2023506930A JP 2023506930 A JP2023506930 A JP 2023506930A JP 7633378 B2 JP7633378 B2 JP 7633378B2
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Japan
Prior art keywords
magnetic disk
less
mass
disk drive
magnetic
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JP2023506930A
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Japanese (ja)
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JPWO2022196314A5 (https=
JPWO2022196314A1 (https=
Inventor
高太郎 北脇
慎平 東藤
涼平 山田
英之 畠山
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.)
Furukawa Electric Co Ltd
UACJ Corp
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Furukawa Electric Co Ltd
UACJ Corp
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Application filed by Furukawa Electric Co Ltd, UACJ Corp filed Critical Furukawa Electric Co Ltd
Publication of JPWO2022196314A1 publication Critical patent/JPWO2022196314A1/ja
Publication of JPWO2022196314A5 publication Critical patent/JPWO2022196314A5/ja
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • G11B19/2045—Hubs
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Magnetic Record Carriers (AREA)
JP2023506930A 2021-03-19 2022-02-28 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 Active JP7633378B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021046121 2021-03-19
JP2021046121 2021-03-19
PCT/JP2022/008147 WO2022196314A1 (ja) 2021-03-19 2022-02-28 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

Publications (3)

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JPWO2022196314A1 JPWO2022196314A1 (https=) 2022-09-22
JPWO2022196314A5 JPWO2022196314A5 (https=) 2024-02-20
JP7633378B2 true JP7633378B2 (ja) 2025-02-19

Family

ID=83321418

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023506930A Active JP7633378B2 (ja) 2021-03-19 2022-02-28 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

Country Status (4)

Country Link
US (1) US12394440B2 (https=)
JP (1) JP7633378B2 (https=)
CN (1) CN117015825A (https=)
WO (1) WO2022196314A1 (https=)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000076762A (ja) 1998-08-26 2000-03-14 Mitsubishi Chemicals Corp 光記録媒体の装着装置
JP2001331995A (ja) 2000-05-17 2001-11-30 Matsushita Electric Ind Co Ltd 磁気ディスク装置
JP2007185035A (ja) 2006-01-06 2007-07-19 Victor Co Of Japan Ltd ディスク駆動用モータ
JP2008276942A (ja) 2008-08-19 2008-11-13 Fujitsu Ltd 密閉型記録ディスク駆動装置並びに記録ディスク駆動装置向けクランプおよびスペーサおよびスピンドルモータ
WO2008139537A1 (ja) 2007-04-27 2008-11-20 Fujitsu Limited 記憶媒体駆動装置
JP2009099251A (ja) 2007-09-28 2009-05-07 Hoya Corp 磁気ディスク用ガラス基板及びその製造方法
JP2010211909A (ja) 2009-03-11 2010-09-24 Hitachi Global Storage Technologies Netherlands Bv ディスクスタックアセンブリ
WO2011096310A1 (ja) 2010-02-03 2011-08-11 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、情報記録媒体用ガラス基板の製造方法及び情報記録媒体
JP2013218752A (ja) 2012-04-05 2013-10-24 Samsung Electromechanics Japan Advanced Technology Co Ltd ディスク駆動装置
WO2017188320A1 (ja) 2016-04-27 2017-11-02 株式会社Uacj 磁気ディスク用基板
WO2018025769A1 (ja) 2016-08-01 2018-02-08 株式会社Uacj 磁気ディスク基板用アルミニウム合金板及びその製造方法、並びに磁気ディスク
WO2020111282A1 (ja) 2018-11-30 2020-06-04 Hoya株式会社 ガラス板の製造方法、ガラス板の面取り方法、および磁気ディスクの製造方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6368187U (https=) * 1986-10-22 1988-05-09
JP2755156B2 (ja) * 1994-01-31 1998-05-20 日本電気株式会社 磁気ディスク装置
US5982581A (en) * 1994-04-04 1999-11-09 Seagate Technology, Inc. Disc clamp with head clearance
US5659443A (en) * 1995-12-01 1997-08-19 International Business Machines Corporation Split band retainer for radially clamping a disk to a hub in a disk drive
KR100251949B1 (ko) * 1996-03-30 2000-04-15 윤종용 하드디스크 드라이브의 디스크 클램핑 장치
US6255750B1 (en) * 1999-04-21 2001-07-03 Seagate Technology Llc Apparatus and method for reducing disc flutter and disc vibration effects in a disc drive
JP4031953B2 (ja) * 2001-06-11 2008-01-09 株式会社日立グローバルストレージテクノロジーズ 磁気ディスク装置
US7209320B1 (en) * 2004-01-16 2007-04-24 Excelstor Technology, Inc. Offset angle disc clamp
JP2009054254A (ja) 2007-08-28 2009-03-12 Konica Minolta Opto Inc 磁気記録媒体用基板及び磁気記録装置
KR20100104168A (ko) * 2009-03-17 2010-09-29 삼성전자주식회사 하드디스크 드라이브의 ｆｏｄ 전압 제어 방법
US12051442B2 (en) * 2020-09-30 2024-07-30 Hoya Corporation Hard disk drive spacer having chamfered surface and main surface with inclined region
US12555601B2 (en) * 2021-10-01 2026-02-17 Western Digital Technologies, Inc. Magnetic recording disk with high internal stress to reduce disk deflections from shock forces and methods for use with the disk

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000076762A (ja) 1998-08-26 2000-03-14 Mitsubishi Chemicals Corp 光記録媒体の装着装置
JP2001331995A (ja) 2000-05-17 2001-11-30 Matsushita Electric Ind Co Ltd 磁気ディスク装置
JP2007185035A (ja) 2006-01-06 2007-07-19 Victor Co Of Japan Ltd ディスク駆動用モータ
WO2008139537A1 (ja) 2007-04-27 2008-11-20 Fujitsu Limited 記憶媒体駆動装置
JP2009099251A (ja) 2007-09-28 2009-05-07 Hoya Corp 磁気ディスク用ガラス基板及びその製造方法
JP2008276942A (ja) 2008-08-19 2008-11-13 Fujitsu Ltd 密閉型記録ディスク駆動装置並びに記録ディスク駆動装置向けクランプおよびスペーサおよびスピンドルモータ
JP2010211909A (ja) 2009-03-11 2010-09-24 Hitachi Global Storage Technologies Netherlands Bv ディスクスタックアセンブリ
WO2011096310A1 (ja) 2010-02-03 2011-08-11 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、情報記録媒体用ガラス基板の製造方法及び情報記録媒体
JP2013218752A (ja) 2012-04-05 2013-10-24 Samsung Electromechanics Japan Advanced Technology Co Ltd ディスク駆動装置
WO2017188320A1 (ja) 2016-04-27 2017-11-02 株式会社Uacj 磁気ディスク用基板
WO2018025769A1 (ja) 2016-08-01 2018-02-08 株式会社Uacj 磁気ディスク基板用アルミニウム合金板及びその製造方法、並びに磁気ディスク
WO2020111282A1 (ja) 2018-11-30 2020-06-04 Hoya株式会社 ガラス板の製造方法、ガラス板の面取り方法、および磁気ディスクの製造方法

Also Published As

Publication number Publication date
US20240233766A9 (en) 2024-07-11
CN117015825A (zh) 2023-11-07
US20240135971A1 (en) 2024-04-25
JPWO2022196314A1 (https=) 2022-09-22
US12394440B2 (en) 2025-08-19
WO2022196314A1 (ja) 2022-09-22

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