KR930701809A - 열자기 기록 매체 및 시스템 - Google Patents

열자기 기록 매체 및 시스템

Info

Publication number
KR930701809A
KR930701809A KR1019930700376A KR930700376A KR930701809A KR 930701809 A KR930701809 A KR 930701809A KR 1019930700376 A KR1019930700376 A KR 1019930700376A KR 930700376 A KR930700376 A KR 930700376A KR 930701809 A KR930701809 A KR 930701809A
Authority
KR
South Korea
Prior art keywords
systems
recording media
thermomagnetic recording
thermomagnetic
media
Prior art date
Application number
KR1019930700376A
Other languages
English (en)
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 filed Critical
Publication of KR930701809A publication Critical patent/KR930701809A/ko

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
    • G11B13/04—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
    • G11B13/04—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties
    • G11B13/045—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties combined recording by magnetic and optic means
    • 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
    • G11B2005/0002—Special dispositions or recording techniques
    • 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
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • 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
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal
    • 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
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0026—Pulse recording
    • G11B2005/0029—Pulse recording using magnetisation components of the recording layer disposed mainly perpendicularly to the record carrier surface
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/78—Tape 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
KR1019930700376A 1990-08-10 1993-02-09 열자기 기록 매체 및 시스템 KR930701809A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56604890A 1990-08-10 1990-08-10
PCT/US1991/004218 WO1992002931A1 (en) 1990-08-10 1991-06-13 Thermomagnetic recording system having high storage density and direct-overwrite capability

Publications (1)

Publication Number Publication Date
KR930701809A true KR930701809A (ko) 1993-06-12

Family

ID=24261249

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930700376A KR930701809A (ko) 1990-08-10 1993-02-09 열자기 기록 매체 및 시스템

Country Status (6)

Country Link
US (1) US5353268A (ko)
EP (1) EP0542910B1 (ko)
JP (1) JP3130929B2 (ko)
KR (1) KR930701809A (ko)
DE (1) DE69127902D1 (ko)
WO (1) WO1992002931A1 (ko)

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JPH04106744A (ja) * 1990-08-28 1992-04-08 Nikon Corp 低レベルのマージンが拡大したオーバーライト可能な光磁気記録媒体
WO1998036409A1 (fr) * 1997-02-17 1998-08-20 Seiko Epson Corporation Procede d'enregistrement magnetique
US6775100B1 (en) * 1997-05-05 2004-08-10 Seagate Technology Llc Laser assisted track width definition and radial control with magnetic recording
US5986978A (en) * 1998-01-12 1999-11-16 Read-Rite Corporation Read/write head and method for magnetic reading and magneto-optical writing on a data storage medium
US20040103422A1 (en) * 1998-03-19 2004-05-27 Seagate Technology Llc Hybrid recording device (HRD) with magneto-resistance head on optically assisted media
JPH11296837A (ja) 1998-04-06 1999-10-29 Sharp Corp 磁気記録媒体及びそれを用いた記録再生方法
EP0988631A1 (en) * 1998-04-09 2000-03-29 Seagate Technology Laser assisted track width definition and radial control with magnetic recording
US6706358B1 (en) 1998-04-09 2004-03-16 Seagate Technology Llc Storage disk comprising depressions and /or raised features
US6016290A (en) * 1999-02-12 2000-01-18 Read-Rite Corporation Read/write head with shifted waveguide
WO2001006498A1 (fr) * 1999-07-21 2001-01-25 Hitachi Maxell, Ltd. Tete de lecture/ecriture et dispositif d'enregistrement magnetique
US6778471B1 (en) * 1999-07-22 2004-08-17 Hitachi, Ltd. Magnetic recording device
US6762977B1 (en) 1999-09-13 2004-07-13 Seagate Technology Llc Laser assisted magnetic recording apparatus and method
WO2001026100A1 (fr) * 1999-09-30 2001-04-12 Fujitsu Limited Support d'enregistrement magnetique et unite pour ce support
US6233206B1 (en) * 1999-10-26 2001-05-15 International Business Machines Corporation High density magnetic thermal recording and reproducing assembly
US6483299B1 (en) 1999-11-12 2002-11-19 Seagate Technology Llc Apparatus and method for measuring magnetic properties of recording mediums
US6731446B2 (en) * 2000-02-03 2004-05-04 Matsushita Electric Industrial Co., Ltd. Method for forming a magnetic pattern in a magnetic recording medium, method for producing a magnetic recording medium, magnetic pattern forming device, magnetic recording medium and magnetic recording device
JP4019615B2 (ja) * 2000-03-10 2007-12-12 富士ゼロックス株式会社 光磁気素子、光磁気ヘッドおよび磁気ディスク装置
JP2002358616A (ja) * 2000-06-12 2002-12-13 Toshiba Corp 磁気記録媒体および磁気記録装置
JP4540811B2 (ja) 2000-08-11 2010-09-08 シャープ株式会社 磁気信号記録方法および磁気記録再生装置
US20020192506A1 (en) 2001-06-04 2002-12-19 International Business Machines Corporation `Thermal Spring' magnetic recording media for writing using magnetic and thermal gradients
US6579590B2 (en) 2001-11-16 2003-06-17 Hitachi Global Storage Technologies Netherlands B.V. Thermally-assisted magnetic recording disk with multilayered thermal barrier
FR2856184B1 (fr) * 2003-06-13 2008-04-11 Commissariat Energie Atomique Dispositif d'enregistrement de donnees comportant des micro-pointes et un support d'enregistrement
FR2870978B1 (fr) * 2004-05-28 2007-02-02 Commissariat Energie Atomique Dispositif d'enregistrement a barriere thermique poreuse
US7521137B2 (en) * 2005-01-12 2009-04-21 Seagate Technology Llc Patterned thin films and use of such films as thermal control layers in heat assisted magnetic recording media
US7862914B2 (en) * 2005-07-26 2011-01-04 Seagate Technology Llc Heatsink films for magnetic recording media
JP2008047268A (ja) 2006-08-21 2008-02-28 Tdk Corp 熱アシスト磁気ヘッド
JP2008059697A (ja) 2006-08-31 2008-03-13 Tdk Corp 熱アシスト磁気ヘッド、ヘッドジンバルアセンブリ及びハードディスク装置
JP2008059694A (ja) 2006-08-31 2008-03-13 Tdk Corp 熱アシスト磁気ヘッド
JP2008059695A (ja) 2006-08-31 2008-03-13 Tdk Corp 熱アシスト磁気ヘッド、ヘッドジンバルアセンブリ及びハードディスク装置
JP2008165922A (ja) 2006-12-28 2008-07-17 Tdk Corp 熱アシスト磁気ヘッド、ヘッドジンバルアセンブリ及びハードディスク装置
JP4364912B2 (ja) 2007-02-26 2009-11-18 Ｔｄｋ株式会社 熱アシスト磁気ヘッド、ヘッドジンバルアセンブリ及びハードディスク装置
KR20090019196A (ko) * 2007-08-20 2009-02-25 삼성전자주식회사 마그네틱 반사형 디스플레이
US8795859B2 (en) * 2010-06-24 2014-08-05 Hoya Corporation Magnetic recording medium
US8179747B1 (en) 2011-02-28 2012-05-15 Rohm Co., Ltd. Thermally assisted magnetic head
US8507114B2 (en) 2011-06-30 2013-08-13 Seagate Technology Llc Recording layer for heat assisted magnetic recording
US9025421B1 (en) * 2014-10-08 2015-05-05 Western Digital Technologies, Inc. Data storage device adjusting laser input power to compensate for temperature variations
US9666229B1 (en) * 2016-02-16 2017-05-30 L2 Drive Inc. Active control of a read/write head for reduced head-media spacing

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JPS59180806A (ja) * 1983-03-31 1984-10-15 Sony Corp 熱磁気光記録方式におけるビツト移動方法
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Also Published As

Publication number Publication date
EP0542910B1 (en) 1997-10-08
EP0542910A1 (en) 1993-05-26
DE69127902D1 (de) 1997-11-13
WO1992002931A1 (en) 1992-02-20
JPH06500194A (ja) 1994-01-06
JP3130929B2 (ja) 2001-01-31
US5353268A (en) 1994-10-04

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A201 Request for examination
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee