SG67390A1 - Magnetic recording media and magnetic recording system using the same - Google Patents

Magnetic recording media and magnetic recording system using the same

Info

Publication number
SG67390A1
SG67390A1 SG1997001600A SG1997001600A SG67390A1 SG 67390 A1 SG67390 A1 SG 67390A1 SG 1997001600 A SG1997001600 A SG 1997001600A SG 1997001600 A SG1997001600 A SG 1997001600A SG 67390 A1 SG67390 A1 SG 67390A1
Authority
SG
Singapore
Prior art keywords
magnetic recording
same
recording media
recording system
media
Prior art date
Application number
SG1997001600A
Other languages
English (en)
Inventor
Yotsuo Yahisa
Yuzuru Hosoe
Kiwamu Tanahashi
Tetsuya Kanbe
Yoshibumi Matsuda
Akira Ishikawa
Hiroyuki Kataoka
Toshinori Ono
Ichiro Tamai
Shinji Fukaya
Kazuhiro Ura
Naota Endo
Tomoo Yamamoto
Original Assignee
Hitachi Ltd
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
Priority claimed from PCT/JP1996/002198 external-priority patent/WO1998006093A1/ja
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of SG67390A1 publication Critical patent/SG67390A1/en

Links

Classifications

    • 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
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • 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
    • G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
    • G11B5/7369—Two or more non-magnetic underlayers, e.g. seed layers or barrier layers
    • G11B5/737—Physical structure of underlayer, e.g. texture
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • 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
    • 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
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
    • Y10T428/12826—Group VIB metal-base component
    • Y10T428/12847—Cr-base component
    • 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
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
    • Y10T428/12826—Group VIB metal-base component
    • Y10T428/12847—Cr-base component
    • Y10T428/12854—Next to Co-, Fe-, or Ni-base component
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
SG1997001600A 1996-05-20 1997-05-20 Magnetic recording media and magnetic recording system using the same SG67390A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12433496 1996-05-20
PCT/JP1996/002198 WO1998006093A1 (fr) 1996-05-20 1996-08-05 Support d'enregistrement magnetique et dispositif de memoire magnetique utilisant un tel support

Publications (1)

Publication Number Publication Date
SG67390A1 true SG67390A1 (en) 1999-09-21

Family

ID=14882777

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1997001600A SG67390A1 (en) 1996-05-20 1997-05-20 Magnetic recording media and magnetic recording system using the same

Country Status (4)

Country Link
US (3) US6403240B1 (zh)
CN (2) CN100347755C (zh)
SG (1) SG67390A1 (zh)
TW (1) TW390998B (zh)

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TW390998B (en) * 1996-05-20 2000-05-21 Hitachi Ltd Magnetic recording media and magnetic recording system using the same
JP3371062B2 (ja) * 1996-11-05 2003-01-27 株式会社日立製作所 磁気記録媒体、その製造方法及び磁気記憶装置
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JP3665221B2 (ja) * 1999-03-18 2005-06-29 株式会社日立グローバルストレージテクノロジーズ 面内磁気記録媒体及び磁気記憶装置
SG102651A1 (en) * 1999-03-31 2004-03-26 Hoya Corp Magnetic recording medium, and thermal stability measuring method and apparatus of magnetic recording medium
JP3557140B2 (ja) * 1999-12-28 2004-08-25 株式会社東芝 磁気抵抗効果素子及び磁気再生装置
US6582758B2 (en) * 2000-03-17 2003-06-24 Showa Denko Kabushiki Kaisha Process of producing a magnetic recording medium
US6703099B2 (en) 2000-07-27 2004-03-09 Seagate Technology Llc Perpendicular magnetic recording media with patterned soft magnetic underlayer
JP2002150553A (ja) * 2000-11-09 2002-05-24 Fuji Electric Co Ltd 磁気記録媒体およびその製造方法
US6827101B2 (en) * 2001-08-31 2004-12-07 Siemens Vdo Automotive, Incorporated Vacuum generating method and device
JP2003162813A (ja) * 2001-11-28 2003-06-06 Hitachi Ltd 磁気記録媒体および磁気記憶装置
US6908689B1 (en) * 2001-12-20 2005-06-21 Seagate Technology Llc Ruthenium-aluminum underlayer for magnetic recording media
WO2003083839A1 (en) * 2002-03-29 2003-10-09 Seagate Technology, Llc Multilayer perpendicular media with high-boron or high-carbon additives to cocr films
US20040038082A1 (en) * 2002-08-26 2004-02-26 Toshihiro Tsumori Substrate for perpendicular magnetic recording hard disk medium and method for producing the same
WO2004032197A2 (en) * 2002-10-03 2004-04-15 Pan Jit Americas, Inc. Low temperature texturing layer to enhance adhesion of subsequent layers
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JP2004227717A (ja) * 2003-01-24 2004-08-12 Fuji Electric Device Technology Co Ltd 磁気記録媒体およびその製造方法
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US7298588B2 (en) * 2003-06-17 2007-11-20 Seagate Technology Llc Magnetic recording media using directly textured glass
JP4435558B2 (ja) * 2003-12-24 2010-03-17 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ 磁気記録媒体
US7179549B2 (en) 2004-01-21 2007-02-20 Komag, Inc. Magnetic recording medium having novel underlayer structure
JP4585214B2 (ja) * 2004-03-25 2010-11-24 株式会社東芝 磁気記録媒体及びそれを用いた磁気記録再生装置
JP4436175B2 (ja) * 2004-04-05 2010-03-24 信越化学工業株式会社 金属メッキ層付き単結晶Ｓｉ基板
WO2006019063A1 (en) * 2004-08-16 2006-02-23 Showa Denko K.K. Magnetic recording medium and magnetic recording and reproducing device
US20060110626A1 (en) * 2004-11-24 2006-05-25 Heraeus, Inc. Carbon containing sputter target alloy compositions
WO2006090508A1 (en) * 2005-02-25 2006-08-31 Showa Denko K.K. Magnetic recording medium, production process thereof, and magnetic recording and reproduction appratus
WO2006095842A1 (en) * 2005-03-07 2006-09-14 Showa Denko K.K. Magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus
JP4154399B2 (ja) * 2005-03-29 2008-09-24 日本航空電子工業株式会社 接点部材、コネクタ、及び接点部材の表面改質方法
JPWO2008038664A1 (ja) * 2006-09-29 2010-01-28 Hoya株式会社 磁気記録媒体
JP2008276859A (ja) * 2007-04-27 2008-11-13 Showa Denko Kk 磁気記録媒体、その製造方法および磁気記録再生装置
US20090061016A1 (en) * 2007-09-05 2009-03-05 Selzer Jonathan A Seawater Based Dietary Supplement Product for Energy and Electrolyte Replacement
JP5561766B2 (ja) 2010-02-04 2014-07-30 昭和電工株式会社 熱アシスト磁気記録媒体及び磁気記憶装置
JP6060484B2 (ja) 2012-01-19 2017-01-18 富士電機株式会社 磁気記録媒体の製造方法
JP6317896B2 (ja) * 2013-07-26 2018-04-25 昭和電工株式会社 磁気記録媒体および磁気記憶装置

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Also Published As

Publication number Publication date
US6403240B1 (en) 2002-06-11
US6596420B2 (en) 2003-07-22
CN100347755C (zh) 2007-11-07
US20030211364A1 (en) 2003-11-13
TW390998B (en) 2000-05-21
CN1136544C (zh) 2004-01-28
CN1173011A (zh) 1998-02-11
US7056604B2 (en) 2006-06-06
US20020150796A1 (en) 2002-10-17
CN1492398A (zh) 2004-04-28

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