JP4384069B2 - ガラス金属ディスク - Google Patents

ガラス金属ディスク Download PDF

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Publication number
JP4384069B2
JP4384069B2 JP2005052133A JP2005052133A JP4384069B2 JP 4384069 B2 JP4384069 B2 JP 4384069B2 JP 2005052133 A JP2005052133 A JP 2005052133A JP 2005052133 A JP2005052133 A JP 2005052133A JP 4384069 B2 JP4384069 B2 JP 4384069B2
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JP
Japan
Prior art keywords
glass metal
hard disk
substrate
hard drive
platter
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
JP2005052133A
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English (en)
Japanese (ja)
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JP2005276419A5 (enExample
JP2005276419A (ja
Inventor
サハット スタルジャ
Original Assignee
マーベル ワールド トレード リミテッド
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Publication date
Application filed by マーベル ワールド トレード リミテッド filed Critical マーベル ワールド トレード リミテッド
Publication of JP2005276419A publication Critical patent/JP2005276419A/ja
Publication of JP2005276419A5 publication Critical patent/JP2005276419A5/ja
Application granted granted Critical
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    • 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
    • G11B5/73917—Metallic substrates, i.e. elemental metal or metal alloy substrates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12229—Intermediate article [e.g., blank, etc.]
    • Y10T428/12236—Panel having nonrectangular perimeter
    • Y10T428/12243—Disk
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Studio Devices (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
JP2005052133A 2004-03-24 2005-02-25 ガラス金属ディスク Expired - Fee Related JP4384069B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55580604P 2004-03-24 2004-03-24
US10/866,326 US8465853B2 (en) 2004-03-24 2004-06-09 Glassy metal disk

Publications (3)

Publication Number Publication Date
JP2005276419A JP2005276419A (ja) 2005-10-06
JP2005276419A5 JP2005276419A5 (enExample) 2007-11-29
JP4384069B2 true JP4384069B2 (ja) 2009-12-16

Family

ID=34915724

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005052133A Expired - Fee Related JP4384069B2 (ja) 2004-03-24 2005-02-25 ガラス金属ディスク

Country Status (5)

Country Link
US (3) US8465853B2 (enExample)
EP (1) EP1585113A1 (enExample)
JP (1) JP4384069B2 (enExample)
CN (1) CN1674097B (enExample)
TW (1) TWI397066B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5067835B2 (ja) * 2006-11-24 2012-11-07 国立大学法人群馬大学 磁気記録媒体の製造方法
JP5267884B2 (ja) 2007-09-18 2013-08-21 独立行政法人科学技術振興機構 金属ガラス及びそれを用いた磁気記録媒体並びにその製造方法
MY181024A (en) * 2015-05-28 2020-12-16 Uacj Corp Aluminum alloy substrate for magnetic discs and manufacturing method therefor, as well as magnetic disc using said aluminum alloy substrate for magnetic disc
US10068609B1 (en) 2017-02-23 2018-09-04 Marvell International Ltd. Variable frequency write pattern generation

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* Cited by examiner, † Cited by third party
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JPS59127226A (ja) 1983-01-10 1984-07-23 Hitachi Maxell Ltd 磁気記録媒体
DE3365839D1 (en) * 1983-05-27 1986-10-09 Ibm Deutschland Composite magnetic disk
JPS6035333A (ja) * 1983-08-08 1985-02-23 Kao Corp 磁気ディスク用基板
FR2559295B1 (fr) * 1984-02-03 1987-01-16 Commissariat Energie Atomique Nouveau support pour disque magnetique d'enregistrement et son procede de fabrication
JPS61214110A (ja) * 1985-03-20 1986-09-24 Hitachi Maxell Ltd 磁気ヘツド
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JPH01243225A (ja) 1988-03-24 1989-09-27 Ricoh Co Ltd 磁気記録媒体
US5216631A (en) * 1990-11-02 1993-06-01 Sliwa Jr John W Microvibratory memory device
US5466524A (en) * 1992-05-07 1995-11-14 Kabushiki Kaisha Kobe Seiko Sho Barium hexaferrite-silicon nitride-carbon magnetic recording medium
JP2834392B2 (ja) * 1993-06-23 1998-12-09 ストアメディア インコーポレーテッド 金属薄膜型磁気記録媒体とその製造方法
US5486223A (en) * 1994-01-19 1996-01-23 Alyn Corporation Metal matrix compositions and method of manufacture thereof
US5626943A (en) * 1994-06-02 1997-05-06 The Carborundum Company Ultra-smooth ceramic substrates and magnetic data storage media prepared therefrom
US5780164A (en) * 1994-12-12 1998-07-14 The Dow Chemical Company Computer disk substrate, the process for making same, and the material made therefrom
US5654057A (en) * 1994-12-28 1997-08-05 Hoya Corporation Sheet glass flattening method, method of manufacturing glass substrate for an information recording disk using flattened glass, method of manufacturing a magnetic recording disk using glass substrate, and magnetic recording medium
US6014296A (en) * 1995-07-24 2000-01-11 Kabushiki Kaisha Toshiba Magnetic disk, method of manufacturing magnetic disk and magnetic recording apparatus
US6084849A (en) * 1996-05-20 2000-07-04 International Business Machines Corporation Shape memory alloy recording medium, storage devices based thereon, and method for using these storage devices
US6169354B1 (en) * 1996-05-24 2001-01-02 Halo Data Devices, Inc. Thin film electric motors
US5895696A (en) * 1996-07-01 1999-04-20 Alyn Corporation Metal-clad ceramic-metal matrix composites for magnetic disk substrates for hard disk drives
US6022609A (en) * 1996-10-02 2000-02-08 Seagate Technology, Inc. Magnetic recording medium with substantially uniform sub-micron-scale morphology
US6242077B1 (en) * 1997-04-30 2001-06-05 Teijin Limited Lowly electrifiable composite polyester film
WO1998058367A1 (en) 1997-06-18 1998-12-23 The Dow Chemical Company A multilayer hard drive disk and method to produce same
US6030681A (en) * 1997-07-10 2000-02-29 Raychem Corporation Magnetic disk comprising a substrate with a cermet layer on a porcelain
EP0899798A3 (en) * 1997-08-28 2000-01-12 Alps Electric Co., Ltd. Magneto-impedance element, and magnetic head, thin film magnetic head, azimuth sensor and autocanceler using the same
US5968627A (en) * 1998-01-15 1999-10-19 Flextor, Inc. Metal foil disk for high areal density recording in environments of high mechanical shock
US6432583B1 (en) * 1998-07-31 2002-08-13 Mitsui Mining Co., Ltd. Anode material for lithium secondary battery, process for production thereof, and lithium secondary battery
US6544667B1 (en) * 1999-03-11 2003-04-08 Hitachi, Ltd. Magnetic recording medium, producing method of the same and magnetic recording system
SG83784A1 (en) * 1999-03-31 2001-10-16 Hoya Corp Glass substrate for magnetic recording medium, magnetic recording medium, and method of manufacturing the same
US6054786A (en) * 1999-05-27 2000-04-25 Halo Data Devices, Inc. Method and system for providing a spherical bearing in a thin film reluctance motor
US6204588B1 (en) * 1999-05-27 2001-03-20 Halo Data Devices, Inc. Rotor capable of being used as a recording media
US6205052B1 (en) * 1999-10-21 2001-03-20 Motorola, Inc. Magnetic element with improved field response and fabricating method thereof
US6432563B1 (en) * 2000-04-03 2002-08-13 Carnegie Mellon University Zinc enhanced hard disk media
US6838188B1 (en) * 2000-05-30 2005-01-04 Maxtor Corporation Magnetic recording medium having ternary or quaternary alloy seedlayer
JP2002037866A (ja) * 2000-07-25 2002-02-06 Fuji Electric Co Ltd 熱可塑性ノルボルネン系樹脂の乾燥方法、この樹脂を使用した磁気記録媒体用基板およびこの基板を用いた磁気記録媒体、並びにこの磁気記録媒体の製造方法
JP3665261B2 (ja) * 2000-09-01 2005-06-29 株式会社日立製作所 垂直磁気記録媒体および磁気記憶装置
US6727010B2 (en) * 2000-12-27 2004-04-27 Showa Denko Kabushiki Kaisha Magnetic recording medium, production process thereof, magnetic recording and reproducing apparatus, and medium substrate
US6453984B1 (en) * 2001-03-13 2002-09-24 Honeywell International Inc. Apparatus and method for casting amorphous metal alloys in an adjustable low density atmosphere
WO2002103545A2 (en) * 2001-06-18 2002-12-27 Oqo, Inc. Modular computing system
US20030134151A1 (en) * 2001-09-14 2003-07-17 Fuji Photo Film Co., Ltd. Magnetic recording medium
US7083871B2 (en) * 2002-05-09 2006-08-01 Maxtor Corporation Single-sided sputtered magnetic recording disks
US20040038082A1 (en) * 2002-08-26 2004-02-26 Toshihiro Tsumori Substrate for perpendicular magnetic recording hard disk medium and method for producing the same
JP2004095031A (ja) * 2002-08-30 2004-03-25 Fuji Photo Film Co Ltd 磁気記録媒体
US6872478B2 (en) * 2003-06-26 2005-03-29 Hitachi Global Storage Technologies Netherlands, B.V. Magnetic thin film media with a pre-seed layer of CrTiAl

Also Published As

Publication number Publication date
US8465853B2 (en) 2013-06-18
EP1585113A1 (en) 2005-10-12
CN1674097A (zh) 2005-09-28
CN1674097B (zh) 2011-08-24
US20070214469A1 (en) 2007-09-13
US20070212497A1 (en) 2007-09-13
TW200532668A (en) 2005-10-01
US20050214561A1 (en) 2005-09-29
US7585542B2 (en) 2009-09-08
TWI397066B (zh) 2013-05-21
JP2005276419A (ja) 2005-10-06

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