PH12022552339A1 - Method for manufacturing glass spacer, glass spacer, and hard disk drive device - Google Patents

Method for manufacturing glass spacer, glass spacer, and hard disk drive device

Info

Publication number
PH12022552339A1
PH12022552339A1 PH1/2022/552339A PH12022552339A PH12022552339A1 PH 12022552339 A1 PH12022552339 A1 PH 12022552339A1 PH 12022552339 A PH12022552339 A PH 12022552339A PH 12022552339 A1 PH12022552339 A1 PH 12022552339A1
Authority
PH
Philippines
Prior art keywords
glass spacer
film
drive device
hard disk
disk drive
Prior art date
Application number
PH1/2022/552339A
Other languages
English (en)
Inventor
Kazuaki Hashimoto
Naoyuki Higuchi
Masafumi Miura
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 PH12022552339A1 publication Critical patent/PH12022552339A1/en

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
    • G11B17/021—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

Landscapes

  • 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)
PH1/2022/552339A 2020-03-06 2021-03-08 Method for manufacturing glass spacer, glass spacer, and hard disk drive device PH12022552339A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202062986005P 2020-03-06 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

Publications (1)

Publication Number Publication Date
PH12022552339A1 true PH12022552339A1 (en) 2023-11-29

Family

ID=77614053

Family Applications (1)

Application Number Title Priority Date Filing Date
PH1/2022/552339A PH12022552339A1 (en) 2020-03-06 2021-03-08 Method for manufacturing glass spacer, glass spacer, and hard disk drive device

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

Family Cites Families (21)

* 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
JP2009108419A (ja) * 2008-12-24 2009-05-21 Canon Anelva Corp インライン型基板処理装置
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
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
SG11202001639WA (en) * 2018-02-01 2020-03-30 Hoya Corp Glass spacer, hard disk drive device, and method for producing glass spacer
MY204452A (en) * 2018-05-16 2024-08-29 Hoya Corp Glass for magnetic recording medium substrate, magnetic recording medium substrate, magnetic recording medium, glass spacer for magnetic recording and reproducing apparatus, and magnetic recording and reproducing 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

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
JP7290792B2 (ja) 2023-06-13
JP7726949B2 (ja) 2025-08-20
US12183365B2 (en) 2024-12-31
JPWO2021177468A1 (https=) 2021-09-10
JP2023116570A (ja) 2023-08-22
US11869538B2 (en) 2024-01-09

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