JP7290792B2 - 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 - Google Patents

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 Download PDF

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Publication number
JP7290792B2
JP7290792B2 JP2022504489A JP2022504489A JP7290792B2 JP 7290792 B2 JP7290792 B2 JP 7290792B2 JP 2022504489 A JP2022504489 A JP 2022504489A JP 2022504489 A JP2022504489 A JP 2022504489A JP 7290792 B2 JP7290792 B2 JP 7290792B2
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Japan
Prior art keywords
film
glass spacer
spacer
glass
manufacturing
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JP2022504489A
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Japanese (ja)
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JPWO2021177468A1 (https=
Inventor
正文 三浦
和明 橋本
直之 樋口
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Hoya Corp
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Hoya Corp
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Priority to JP2023091016A priority Critical patent/JP7726949B2/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
    • G11B17/021—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
    • 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
    • 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
    • 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
    • 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
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73911—Inorganic substrates
    • G11B5/73921—Glass or ceramic substrates

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Surface Treatment Of Glass (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
JP2022504489A 2020-03-06 2021-03-08 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 Active JP7290792B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2023091016A JP7726949B2 (ja) 2020-03-06 2023-06-01 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

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202062986005P 2020-03-06 2020-03-06
US62/986,005 2020-03-06
PCT/JP2021/008935 WO2021177468A1 (ja) 2020-03-06 2021-03-08 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

Related Child Applications (1)

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JP2023091016A Division JP7726949B2 (ja) 2020-03-06 2023-06-01 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

Publications (2)

Publication Number Publication Date
JPWO2021177468A1 JPWO2021177468A1 (https=) 2021-09-10
JP7290792B2 true JP7290792B2 (ja) 2023-06-13

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JP2022504489A Active JP7290792B2 (ja) 2020-03-06 2021-03-08 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
JP2023091016A Active JP7726949B2 (ja) 2020-03-06 2023-06-01 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

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JP2023091016A Active JP7726949B2 (ja) 2020-03-06 2023-06-01 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

Country Status (5)

Country Link
US (2) US11869538B2 (https=)
JP (2) JP7290792B2 (https=)
CN (1) CN115176310A (https=)
PH (1) PH12022552339A1 (https=)
WO (1) WO2021177468A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115176310A (zh) * 2020-03-06 2022-10-11 豪雅株式会社 玻璃间隔件的制造方法、玻璃间隔件和硬盘驱动器装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009108419A (ja) 2008-12-24 2009-05-21 Canon Anelva Corp インライン型基板処理装置
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
WO2019151459A1 (ja) 2018-02-01 2019-08-08 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
WO2019221102A1 (ja) 2018-05-16 2019-11-21 Hoya株式会社 磁気記録媒体基板用ガラス、磁気記録媒体基板、磁気記録媒体、磁気記録再生装置用ガラススペーサおよび磁気記録再生装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5724208A (en) * 1996-04-30 1998-03-03 Kabushiki Kaisha Soode Nagano Hard disc spacer and hard disc clamp
JPH1074350A (ja) * 1996-04-30 1998-03-17 Soode Nagano:Kk メディア用スペーサとメディア用クランプおよびハードディスク装置
JP2000057727A (ja) * 1998-08-10 2000-02-25 Asahi Glass Co Ltd 磁気記録用ハードディスクの取付構造
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
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
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
JP2005103652A (ja) * 2003-09-26 2005-04-21 Asahi Glass Co Ltd ガラス製リングの製造方法及びその装置
JP2005320568A (ja) * 2004-05-07 2005-11-17 Olympus Corp 薄膜形成装置及び膜厚監視方法
JP2007095205A (ja) * 2005-09-29 2007-04-12 Hoya Corp 磁気記録ディスクの製造方法、磁気記録ディスク製造装置、および磁気記録ディスク製造用基板ホルダ
SG11201406324PA (en) * 2012-05-16 2014-11-27 Hoya Corp Mask blank, transfer mask, and methods of manufacturing the same
WO2019004484A1 (ja) * 2017-06-30 2019-01-03 Hoya株式会社 磁気ディスク用基板及び磁気ディスク
US10872635B2 (en) * 2017-08-31 2020-12-22 Hoya Corporation Spacer and hard disk drive apparatus
CN115176310A (zh) * 2020-03-06 2022-10-11 豪雅株式会社 玻璃间隔件的制造方法、玻璃间隔件和硬盘驱动器装置
US11227634B1 (en) * 2020-06-29 2022-01-18 Western Digital Technologies, Inc. Data storage device with composite spacer for disk stack assembly
CN117242520A (zh) * 2021-04-30 2023-12-15 豪雅株式会社 生产环形物体的方法、成膜装置、环形物体和硬盘驱动装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009108419A (ja) 2008-12-24 2009-05-21 Canon Anelva Corp インライン型基板処理装置
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
WO2019151459A1 (ja) 2018-02-01 2019-08-08 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
WO2019221102A1 (ja) 2018-05-16 2019-11-21 Hoya株式会社 磁気記録媒体基板用ガラス、磁気記録媒体基板、磁気記録媒体、磁気記録再生装置用ガラススペーサおよび磁気記録再生装置

Also Published As

Publication number Publication date
US20240071419A1 (en) 2024-02-29
WO2021177468A1 (ja) 2021-09-10
US20230223047A1 (en) 2023-07-13
CN115176310A (zh) 2022-10-11
JP7726949B2 (ja) 2025-08-20
PH12022552339A1 (en) 2023-11-29
US12183365B2 (en) 2024-12-31
JPWO2021177468A1 (https=) 2021-09-10
JP2023116570A (ja) 2023-08-22
US11869538B2 (en) 2024-01-09

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