JP3932840B2 - 情報記録方法および情報記録装置 - Google Patents

情報記録方法および情報記録装置 Download PDF

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Publication number
JP3932840B2
JP3932840B2 JP2001259113A JP2001259113A JP3932840B2 JP 3932840 B2 JP3932840 B2 JP 3932840B2 JP 2001259113 A JP2001259113 A JP 2001259113A JP 2001259113 A JP2001259113 A JP 2001259113A JP 3932840 B2 JP3932840 B2 JP 3932840B2
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JP
Japan
Prior art keywords
medium
light
recording
magnetic
magnetic pole
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
JP2001259113A
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English (en)
Japanese (ja)
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JP2003067901A5 (enExample
JP2003067901A (ja
Inventor
史雄 一色
敦子 黒田
貴幸 市原
正文 望月
拓也 松本
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Hitachi Ltd
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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2001259113A priority Critical patent/JP3932840B2/ja
Priority to US10/138,568 priority patent/US6952380B2/en
Publication of JP2003067901A publication Critical patent/JP2003067901A/ja
Publication of JP2003067901A5 publication Critical patent/JP2003067901A5/ja
Application granted granted Critical
Publication of JP3932840B2 publication Critical patent/JP3932840B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • 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
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • 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
    • G11B2005/001—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
    • 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
    • G11B2005/001—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
    • G11B2005/0013—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Magnetic Record Carriers (AREA)
JP2001259113A 2001-08-29 2001-08-29 情報記録方法および情報記録装置 Expired - Fee Related JP3932840B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2001259113A JP3932840B2 (ja) 2001-08-29 2001-08-29 情報記録方法および情報記録装置
US10/138,568 US6952380B2 (en) 2001-08-29 2002-05-06 Apparatus and method for recording information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001259113A JP3932840B2 (ja) 2001-08-29 2001-08-29 情報記録方法および情報記録装置

Publications (3)

Publication Number Publication Date
JP2003067901A JP2003067901A (ja) 2003-03-07
JP2003067901A5 JP2003067901A5 (enExample) 2005-08-25
JP3932840B2 true JP3932840B2 (ja) 2007-06-20

Family

ID=19086535

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001259113A Expired - Fee Related JP3932840B2 (ja) 2001-08-29 2001-08-29 情報記録方法および情報記録装置

Country Status (2)

Country Link
US (1) US6952380B2 (enExample)
JP (1) JP3932840B2 (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4325172B2 (ja) * 2002-11-01 2009-09-02 株式会社日立製作所 近接場光発生プローブ及び近接場光発生装置
JP4100133B2 (ja) * 2002-11-05 2008-06-11 株式会社日立製作所 記録ヘッドおよびそれを用いた情報記録装置
US6989952B2 (en) * 2003-07-15 2006-01-24 Hitachi Global Storage Technologies Netherlands B.V. Magnetic recording disk drive with laminated media and improved media signal-to-noise ratio
US7268973B2 (en) 2003-07-24 2007-09-11 Hitachi Global Storage Technologies Netherlands, B.V. Perpendicular magnetic head having thermally assisted recording element
JP2005209290A (ja) * 2004-01-23 2005-08-04 Hitachi Ltd 熱磁気転写型磁気記録方式および磁気ディスク装置
US7345840B2 (en) * 2004-05-26 2008-03-18 Seagate Technology Llc Light delivery technique for heat assisted magnetic recording head
US7483229B2 (en) * 2004-12-08 2009-01-27 Seagate Technology Llc Optical coupling to data recording transducer
WO2007023567A1 (ja) * 2005-08-26 2007-03-01 Fujitsu Limited 情報記録装置およびヘッド
US7586583B2 (en) * 2005-09-15 2009-09-08 Franklin Mark Schellenberg Nanolithography system
JP2007220174A (ja) * 2006-02-15 2007-08-30 Fujitsu Ltd 磁気ヘッド、および情報記憶装置
KR100754403B1 (ko) * 2006-05-17 2007-08-31 삼성전자주식회사 열보조 자기기록용 헤드 짐벌 조립체
US8111486B2 (en) 2006-06-14 2012-02-07 Samsung Electronics Co., Ltd. Head gimbals assembly of hard disk and method of assembling thereof
JP4565452B2 (ja) * 2006-07-27 2010-10-20 セイコーインスツル株式会社 ヘッドジンバル機構及び情報記録再生装置
JP4093286B2 (ja) * 2006-08-23 2008-06-04 コニカミノルタオプト株式会社 光学素子、光学素子の製造方法及び光ヘッド
WO2008023552A1 (en) * 2006-08-23 2008-02-28 Konica Minolta Opto, Inc. Optical element and optical head
JP2008059696A (ja) * 2006-08-31 2008-03-13 Tdk Corp 熱アシスト磁気ヘッド
JP4151747B2 (ja) * 2006-12-07 2008-09-17 コニカミノルタオプト株式会社 磁気記録装置及び磁気記録ヘッド駆動機構
US7941911B2 (en) * 2006-12-18 2011-05-17 Hitachi Global Storage Technologies Netherlands, B.V. Planarization methods for patterned media disks
JP4497556B2 (ja) * 2006-12-27 2010-07-07 東芝ストレージデバイス株式会社 ヘッドサスペンションアセンブリ、キャリッジアセンブリ、ヘッドスライダアセンブリの製造方法および記憶媒体駆動装置
JP4305575B2 (ja) * 2007-10-25 2009-07-29 コニカミノルタオプト株式会社 光学素子の製造方法
US8270257B2 (en) * 2008-01-31 2012-09-18 Hitachi Global Storage Technologies Netherlands B.V. Thermally assisted recording systems with low loss light redirection structure
SG162634A1 (en) * 2008-12-19 2010-07-29 Showa Denko Hd Singapore Pte L Perpendicular magnetic recording medium
US9069034B2 (en) * 2010-06-30 2015-06-30 University Of Manitoba Spintronic phase comparator permitting direct phase probing and mapping of electromagnetic signals

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62200507A (ja) 1986-02-27 1987-09-04 Hitachi Ltd 垂直磁化記録再生用ヘツドおよびこれを用いた垂直磁化記録方法
DE4404635C2 (de) * 1993-02-17 1998-06-18 Hitachi Ltd Schwimmender optischer Abtastkopf, der integral mit einer Lichtquelle und einem Photodetektor ausgebildet ist, und optisches Plattengerät mit einem solchen
JP2000195002A (ja) 1998-12-24 2000-07-14 Toshiba Corp 光アシスト磁気記録装置

Also Published As

Publication number Publication date
US6952380B2 (en) 2005-10-04
JP2003067901A (ja) 2003-03-07
US20030043699A1 (en) 2003-03-06

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