DE69502259D1 - Riesenmagnetoresistives Informationsaufzeichnungsmedium und zugehörigem Aufzeichnungs- und Wiedergabeverfahren und -vorrichtung - Google Patents

Riesenmagnetoresistives Informationsaufzeichnungsmedium und zugehörigem Aufzeichnungs- und Wiedergabeverfahren und -vorrichtung

Info

Publication number
DE69502259D1
DE69502259D1 DE69502259T DE69502259T DE69502259D1 DE 69502259 D1 DE69502259 D1 DE 69502259D1 DE 69502259 T DE69502259 T DE 69502259T DE 69502259 T DE69502259 T DE 69502259T DE 69502259 D1 DE69502259 D1 DE 69502259D1
Authority
DE
Germany
Prior art keywords
reproducing method
giant magnetoresistive
recording medium
information recording
magnetoresistive information
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
DE69502259T
Other languages
English (en)
Other versions
DE69502259T2 (de
Inventor
Haruki Yamane
Yoshinori Maeno
Masanobu Kobayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Publication of DE69502259D1 publication Critical patent/DE69502259D1/de
Application granted granted Critical
Publication of DE69502259T2 publication Critical patent/DE69502259T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/544—Marks applied to semiconductor devices or parts, e.g. registration marks, alignment structures, wafer maps
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • 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
    • G11B5/127—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
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/49—Fixed mounting or arrangements, e.g. one head per track
    • G11B5/4907—Details for scanning
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
    • G11C11/15—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements using multiple magnetic layers
    • 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
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • G11B9/04—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using record carriers having variable electric resistance; Record carriers therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Digital Magnetic Recording (AREA)
DE69502259T 1994-12-22 1995-12-14 Riesenmagnetoresistives Informationsaufzeichnungsmedium und zugehörigem Aufzeichnungs- und Wiedergabeverfahren und -vorrichtung Expired - Fee Related DE69502259T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6320568A JP2933841B2 (ja) 1994-12-22 1994-12-22 情報記録媒体、情報記録・再生方法および情報記録・再生装置

Publications (2)

Publication Number Publication Date
DE69502259D1 true DE69502259D1 (de) 1998-06-04
DE69502259T2 DE69502259T2 (de) 1999-01-07

Family

ID=18122894

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69502259T Expired - Fee Related DE69502259T2 (de) 1994-12-22 1995-12-14 Riesenmagnetoresistives Informationsaufzeichnungsmedium und zugehörigem Aufzeichnungs- und Wiedergabeverfahren und -vorrichtung

Country Status (4)

Country Link
US (1) US5844755A (de)
EP (1) EP0718824B1 (de)
JP (1) JP2933841B2 (de)
DE (1) DE69502259T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6166539A (en) * 1996-10-30 2000-12-26 Regents Of The University Of Minnesota Magnetoresistance sensor having minimal hysteresis problems
US5966322A (en) * 1996-09-06 1999-10-12 Nonvolatile Electronics, Incorporated Giant magnetoresistive effect memory cell
DE19852368A1 (de) * 1998-11-13 2000-05-25 Forschungszentrum Juelich Gmbh Markierungseinrichtung
DE20012955U1 (de) * 2000-07-20 2000-11-02 Davis Mike Befestigungselement zur temporären Fixierung von flexiblen Leitungen
KR100447971B1 (ko) * 2001-12-18 2004-09-10 주식회사 하이닉스반도체 다층구조의 자기장 센서 제조방법
US7161875B2 (en) 2003-06-12 2007-01-09 Hewlett-Packard Development Company, L.P. Thermal-assisted magnetic memory storage device
US6865044B1 (en) * 2003-12-03 2005-03-08 Hitachi Global Storage Technologies Netherlands B.V. Method for magnetic recording on patterned multilevel perpendicular media using thermal assistance and fixed write current
US6947235B2 (en) * 2003-12-03 2005-09-20 Hitachi Global Storage Technologies Netherlands B.V. Patterned multilevel perpendicular magnetic recording media
US6882488B1 (en) * 2003-12-03 2005-04-19 Hitachi Global Storage Technologies Netherlands B.V. Method for magnetic recording on patterned multilevel perpendicular media using variable write current
US6906879B1 (en) * 2003-12-03 2005-06-14 Hitachi Global Storage Technologies Netherlands B.V. Magnetic recording system with patterned multilevel perpendicular magnetic recording
US7088608B2 (en) * 2003-12-16 2006-08-08 Freescale Semiconductor, Inc. Reducing power consumption during MRAM writes using multiple current levels
KR102175385B1 (ko) * 2016-04-12 2020-11-06 에스케이하이닉스 주식회사 다층 자성 박막 스택 및 이를 포함하는 데이터 저장 장치

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2435988A (en) * 1987-10-30 1989-05-04 Seagate Technology, Inc. Magnetic head for perpendicular magnetic recording system and process
US5231294A (en) * 1988-03-25 1993-07-27 Hitachi, Ltd. Manganese-aluminum and manganese-silicon magnetic films, and magnetic recording medium
DE3820475C1 (de) * 1988-06-16 1989-12-21 Kernforschungsanlage Juelich Gmbh, 5170 Juelich, De
US5206665A (en) * 1989-08-10 1993-04-27 Canon Kabushiki Kaisha Recording medium, method for preparing the same, recording and reproducing device, and recording, reproducing and erasing method by use of such recording medium
DE4030404A1 (de) * 1990-09-26 1992-04-02 Forschungszentrum Juelich Gmbh Verfahren und einrichtung zur beobachtung magnetischer strukturen in werkstoffproben
JP3320079B2 (ja) * 1991-03-22 2002-09-03 ティーディーケイ株式会社 磁性積層体および磁気抵抗効果素子
US5303182A (en) * 1991-11-08 1994-04-12 Rohm Co., Ltd. Nonvolatile semiconductor memory utilizing a ferroelectric film
JP2637360B2 (ja) * 1992-10-30 1997-08-06 株式会社東芝 磁気抵抗効果素子
US5587235A (en) * 1993-02-19 1996-12-24 Hitachi, Ltd. Magnetic recording medium and magnetic recording apparatus
US5343422A (en) * 1993-02-23 1994-08-30 International Business Machines Corporation Nonvolatile magnetoresistive storage device using spin valve effect
US5477482A (en) * 1993-10-01 1995-12-19 The United States Of America As Represented By The Secretary Of The Navy Ultra high density, non-volatile ferromagnetic random access memory
US5583727A (en) * 1995-05-15 1996-12-10 International Business Machines Corporation Multiple data layer magnetic recording data storage system with digital magnetoresistive read sensor

Also Published As

Publication number Publication date
EP0718824A1 (de) 1996-06-26
JPH08180477A (ja) 1996-07-12
EP0718824B1 (de) 1998-04-29
US5844755A (en) 1998-12-01
DE69502259T2 (de) 1999-01-07
JP2933841B2 (ja) 1999-08-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee