PH12020550846A1 - Glass spacer, hard disk drive apparatus, and method for manufacturing glass spacer - Google Patents

Glass spacer, hard disk drive apparatus, and method for manufacturing glass spacer

Info

Publication number
PH12020550846A1
PH12020550846A1 PH12020550846A PH12020550846A PH12020550846A1 PH 12020550846 A1 PH12020550846 A1 PH 12020550846A1 PH 12020550846 A PH12020550846 A PH 12020550846A PH 12020550846 A PH12020550846 A PH 12020550846A PH 12020550846 A1 PH12020550846 A1 PH 12020550846A1
Authority
PH
Philippines
Prior art keywords
glass spacer
hard disk
disk drive
drive apparatus
glass
Prior art date
Application number
PH12020550846A
Other languages
English (en)
Inventor
Shinji Eda
Kinobu Osakabe
Yoshitake Tanno
Mikio Ikenishi
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 PH12020550846A1 publication Critical patent/PH12020550846A1/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
    • 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

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Glass Compositions (AREA)
PH12020550846A 2018-02-01 2020-06-08 Glass spacer, hard disk drive apparatus, and method for manufacturing glass spacer PH12020550846A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862624987P 2018-02-01 2018-02-01
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 (1)

Publication Number Publication Date
PH12020550846A1 true PH12020550846A1 (en) 2021-05-17

Family

ID=67479415

Family Applications (1)

Application Number Title Priority Date Filing Date
PH12020550846A PH12020550846A1 (en) 2018-02-01 2020-06-08 Glass spacer, hard disk drive apparatus, and method for manufacturing glass spacer

Country Status (6)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10872635B2 (en) * 2017-08-31 2020-12-22 Hoya Corporation Spacer and hard disk drive apparatus
JP7444581B2 (ja) * 2019-11-07 2024-03-06 Hoya株式会社 導電性結晶化ガラス
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
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

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5017439A (en) * 1989-07-19 1991-05-21 Seagate Technology, Inc. Micro-contamination-free coating for die-cast component in magnetic disk drive
JPH0482066A (ja) * 1990-07-23 1992-03-16 Nec Corp ディスクスペーサ
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
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
US5838516A (en) * 1997-07-21 1998-11-17 Seagate Technology, Inc. High/friction/lower clamping force mechanism for discs in a disc drive
JPH11195282A (ja) * 1997-11-07 1999-07-21 Hitachi Ltd 磁気ディスク装置及び磁気ディスク装置システム
US6292333B1 (en) * 1999-02-11 2001-09-18 Western Digital Technologies, Inc. Disk drive having an I.D. ramp loading system employing multiple-function spacer structure
DE19922678C2 (de) 1999-05-18 2001-06-21 Perkinelmer Optoelectronics Bleisilicatglas sowie dessen Verwendung
WO2001021539A1 (en) * 1999-09-21 2001-03-29 Kabushiki Kaisha Ohara Holding member for information storage disk and information storage disk drive device
JP3735500B2 (ja) 1999-11-29 2006-01-18 京セラ株式会社 磁気ディスク保持部材
JP4136268B2 (ja) 2000-04-26 2008-08-20 Ｈｏｙａ株式会社 ガラススペーサおよびそれを用いた情報記録装置
US6816341B2 (en) * 2000-07-05 2004-11-09 Hitachi, Ltd. Hard disk drive utilizing second lubricant over a first lubricant having a phosophezine group
JP3532157B2 (ja) * 2001-01-31 2004-05-31 京セラ株式会社 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
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
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
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
JP2006182637A (ja) * 2004-11-30 2006-07-13 Asahi Glass Co Ltd フィールドエミッションディスプレイ用結晶化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
WO2006059492A1 (ja) 2004-11-30 2006-06-08 Asahi Glass Company, Limited フィールドエミッションディスプレイ用結晶化ガラススペーサーおよびその製造方法
MY149130A (en) * 2007-02-20 2013-07-15 Hoya Corp Magnetic disk substrate, magnetic disk, and magnetic disk device
US8112580B2 (en) * 2009-01-19 2012-02-07 Hitachi Global Storage Technologies Netherlands B.V. Disk drive having multiple disk surfaces accessible by a read/write head and nonvolatile memory for continuous data transfer
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
US9336810B2 (en) 2011-04-27 2016-05-10 Hoya Corporation Method for manufacturing glass blank for magnetic disk, method for manufacturing glass substrate for magnetic disk
WO2014050241A1 (ja) * 2012-09-28 2014-04-03 Hoya株式会社 磁気ディスク用ガラス基板、磁気ディスク、磁気ディスク用ガラス基板の製造方法
JP6284126B2 (ja) * 2014-12-15 2018-02-28 昭和電工株式会社 垂直記録媒体、垂直記録再生装置
US9466327B1 (en) * 2015-09-29 2016-10-11 Seagate Technology Llc Color coded glass disc spacer
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

Also Published As

Publication number Publication date
JPWO2019151459A1 (ja) 2020-04-23
JP7278235B2 (ja) 2023-05-19
US11682425B2 (en) 2023-06-20
US20200227087A1 (en) 2020-07-16
JP2020115403A (ja) 2020-07-30
CN111095406A (zh) 2020-05-01
JP6684975B2 (ja) 2020-04-22
SG11202001639WA (en) 2020-03-30
WO2019151459A1 (ja) 2019-08-08
CN111095406B (zh) 2022-09-09
US20210264946A1 (en) 2021-08-26
US11031038B2 (en) 2021-06-08

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