CN111095406B - 玻璃间隔件、硬盘驱动器装置以及玻璃间隔件的制造方法 - Google Patents

玻璃间隔件、硬盘驱动器装置以及玻璃间隔件的制造方法 Download PDF

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Publication number
CN111095406B
CN111095406B CN201980004575.1A CN201980004575A CN111095406B CN 111095406 B CN111095406 B CN 111095406B CN 201980004575 A CN201980004575 A CN 201980004575A CN 111095406 B CN111095406 B CN 111095406B
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China
Prior art keywords
spacer
glass
glass spacer
magnetic disk
contact
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English (en)
Chinese (zh)
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CN111095406A (zh
Inventor
江田伸二
越阪部基延
丹野义刚
池西干男
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Hoya Corp
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Hoya Corp
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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
    • 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
    • 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
    • G11B33/1493—Electro-Magnetic Interference [EMI] or Radio Frequency Interference [RFI] shielding; grounding of static charges
    • 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
    • G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
    • 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
    • G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
    • G11B33/125—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a plurality of recording/reproducing devices, e.g. modular arrangements, arrays of disc drives
    • 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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  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Chemical & Material Sciences (AREA)
  • Glass Compositions (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
CN201980004575.1A 2018-02-01 2019-01-31 玻璃间隔件、硬盘驱动器装置以及玻璃间隔件的制造方法 Active CN111095406B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862624987P 2018-02-01 2018-02-01
US62/624,987 2018-02-01
JP2018-234741 2018-12-14
JP2018234741 2018-12-14
PCT/JP2019/003533 WO2019151459A1 (ja) 2018-02-01 2019-01-31 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

Publications (2)

Publication Number Publication Date
CN111095406A CN111095406A (zh) 2020-05-01
CN111095406B true CN111095406B (zh) 2022-09-09

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CN201980004575.1A Active CN111095406B (zh) 2018-02-01 2019-01-31 玻璃间隔件、硬盘驱动器装置以及玻璃间隔件的制造方法

Country Status (6)

Country Link
US (2) US11031038B2 (enExample)
JP (2) JP6684975B2 (enExample)
CN (1) CN111095406B (enExample)
PH (1) PH12020550846A1 (enExample)
SG (1) SG11202001639WA (enExample)
WO (1) WO2019151459A1 (enExample)

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CN110651326B (zh) * 2017-08-31 2022-02-01 Hoya株式会社 间隔件和硬盘驱动器装置
JP7444581B2 (ja) * 2019-11-07 2024-03-06 Hoya株式会社 導電性結晶化ガラス
JP7290792B2 (ja) * 2020-03-06 2023-06-13 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
US11227634B1 (en) 2020-06-29 2022-01-18 Western Digital Technologies, Inc. Data storage device with composite spacer for disk stack assembly
JP7627557B2 (ja) * 2020-08-31 2025-02-06 Hoya株式会社 着色層を有するガラスおよびその製造方法
JP7069279B1 (ja) * 2020-11-19 2022-05-17 株式会社Uacj 磁気ディスク装置

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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
JP2003059224A (ja) * 2001-08-09 2003-02-28 Narumi China Corp ディスク保持用スペーサ及びその製造方法
JP2005347171A (ja) * 2004-06-04 2005-12-15 Asahi Glass Co Ltd フィールドエミッションディスプレイ用ガラススペーサーおよびその製造方法、ならびにフィールドエミッションディスプレイ
JP2012084206A (ja) * 2010-10-13 2012-04-26 Nippon Hoso Kyokai <Nhk> 磁気記録媒体、磁気再生装置、磁気再生方法、光変調素子
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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
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* Cited by examiner, † Cited by third party
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JP2001155460A (ja) * 1999-11-29 2001-06-08 Kyocera Corp 磁気ディスク保持部材
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
JP2003059224A (ja) * 2001-08-09 2003-02-28 Narumi China Corp ディスク保持用スペーサ及びその製造方法
JP2005347171A (ja) * 2004-06-04 2005-12-15 Asahi Glass Co Ltd フィールドエミッションディスプレイ用ガラススペーサーおよびその製造方法、ならびにフィールドエミッションディスプレイ
JP2012084206A (ja) * 2010-10-13 2012-04-26 Nippon Hoso Kyokai <Nhk> 磁気記録媒体、磁気再生装置、磁気再生方法、光変調素子
CN103493134A (zh) * 2011-04-27 2014-01-01 Hoya株式会社 磁盘用玻璃毛坯的制造方法以及磁盘用玻璃基板的制造方法

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Publication number Publication date
US20200227087A1 (en) 2020-07-16
CN111095406A (zh) 2020-05-01
WO2019151459A1 (ja) 2019-08-08
SG11202001639WA (en) 2020-03-30
US11682425B2 (en) 2023-06-20
JPWO2019151459A1 (ja) 2020-04-23
US20210264946A1 (en) 2021-08-26
PH12020550846A1 (en) 2021-05-17
JP6684975B2 (ja) 2020-04-22
JP7278235B2 (ja) 2023-05-19
JP2020115403A (ja) 2020-07-30
US11031038B2 (en) 2021-06-08

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