EP1810283A2 - Aufzeichnungs- und/oder abspielgerät mit mehreren magnetköpfen mit azimut-spalten - Google Patents

Aufzeichnungs- und/oder abspielgerät mit mehreren magnetköpfen mit azimut-spalten

Info

Publication number
EP1810283A2
EP1810283A2 EP05819144A EP05819144A EP1810283A2 EP 1810283 A2 EP1810283 A2 EP 1810283A2 EP 05819144 A EP05819144 A EP 05819144A EP 05819144 A EP05819144 A EP 05819144A EP 1810283 A2 EP1810283 A2 EP 1810283A2
Authority
EP
European Patent Office
Prior art keywords
magnetic
recording
pairs
pole pieces
reading
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.)
Withdrawn
Application number
EP05819144A
Other languages
English (en)
French (fr)
Inventor
Jean-Baptiste Albertini
Pierre Gaud
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of EP1810283A2 publication Critical patent/EP1810283A2/de
Withdrawn legal-status Critical Current

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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • 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
    • 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
    • G11B5/58—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 with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—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 with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
    • Y10T29/49052—Machining magnetic material [e.g., grinding, etching, polishing] by etching
EP05819144A 2004-11-04 2005-11-02 Aufzeichnungs- und/oder abspielgerät mit mehreren magnetköpfen mit azimut-spalten Withdrawn EP1810283A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0452527A FR2877484A1 (fr) 2004-11-04 2004-11-04 Dispositif d'enregistrement et/ou de lecture a tetes magnetiques multiples a entrefers azimutes
PCT/FR2005/050919 WO2006048580A2 (fr) 2004-11-04 2005-11-02 Dispositif d'enregistrement et/ou de lecture a tetes magnetiques multiples a entrefers azimutes

Publications (1)

Publication Number Publication Date
EP1810283A2 true EP1810283A2 (de) 2007-07-25

Family

ID=34952969

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05819144A Withdrawn EP1810283A2 (de) 2004-11-04 2005-11-02 Aufzeichnungs- und/oder abspielgerät mit mehreren magnetköpfen mit azimut-spalten

Country Status (5)

Country Link
US (1) US20080266709A1 (de)
EP (1) EP1810283A2 (de)
JP (1) JP2008519384A (de)
FR (1) FR2877484A1 (de)
WO (1) WO2006048580A2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7773333B2 (en) * 2007-08-10 2010-08-10 International Business Machines Corporation Recording data simultaneously at two depths of a tilted magnetic medium
FR2956241B1 (fr) * 2010-02-10 2012-08-17 Ingenico Sa Dispositif de lecture magnetique
US9105291B1 (en) 2014-03-11 2015-08-11 International Business Machines Corporation Tape recording head having non-parallel gaps and dissimilar transducer pitches
US9934804B1 (en) 2016-09-22 2018-04-03 International Business Machines Corporation Segmented magnetic recording write head for detection-based servo pattern writing
US9852747B1 (en) * 2016-09-22 2017-12-26 International Business Machines Corporation Segmented magnetic recording write head for writing timing-based servo patterns

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4539615A (en) * 1981-06-08 1985-09-03 Hitachi, Ltd. Azimuthal magnetic recording and reproducing apparatus
US5132861A (en) * 1989-10-02 1992-07-21 Behr Michael I Systems using superimposed, orthogonal buried servo signals
FR2664729B1 (fr) * 1990-07-11 1992-09-18 Commissariat Energie Atomique Procede de fabrication de tete magnetique possedant un entrefer presentant un azimut controlable.
US5293285A (en) * 1992-06-01 1994-03-08 Storage Technology Corporation Apparatus and media for recording data on two sides of a magnetic tape
US5465475A (en) * 1992-07-30 1995-11-14 Ricoh Co., Ltd. Method of forming a thin film magnetic head
JP2943579B2 (ja) * 1992-10-20 1999-08-30 三菱電機株式会社 磁気構造体並びにこれを用いた磁気ヘッドおよび磁気記録ヘッド
US5452165A (en) * 1994-03-16 1995-09-19 International Business Machines Corporation Close packed magnetic head linear array
FR2745111B1 (fr) * 1996-02-15 1998-03-13 Commissariat Energie Atomique Tete magnetique verticale a bobinage integre et son procede de realisation
FR2747226B1 (fr) * 1996-04-04 1998-04-30 Commissariat Energie Atomique Procedes de realisation d'une tete magnetique double a entrefers d'azimuts opposes
JPH10302211A (ja) * 1997-01-14 1998-11-13 Sony Corp 磁気ヘッド及びその製造方法
WO1998037549A2 (en) * 1997-02-24 1998-08-27 Koninklijke Philips Electronics N.V. Recording and/or reproducing device with a magnetic head having an optimized crystal orientation, and magnetic head having an optimized crystal orientation
JPH10334433A (ja) * 1997-05-30 1998-12-18 Sony Corp 磁気記録再生装置
JPH11203631A (ja) * 1998-01-06 1999-07-30 Sony Corp 磁気抵抗効果型磁気ヘッド及びこれを用いた記録再生装置
FR2774797B1 (fr) * 1998-02-11 2000-03-10 Commissariat Energie Atomique Procede de realisation d'un ensemble a plusieurs tetes magnetiques et ensemble a tetes multiples obtenu par ce procede
JP3400378B2 (ja) * 1999-03-26 2003-04-28 アルプス電気株式会社 薄膜磁気ヘッドを用いた回転ヘッド組立体
US6545837B1 (en) * 1999-12-21 2003-04-08 Imation Corp. Method and apparatus for servo controlled azimuth data recording
JP2002216313A (ja) * 2001-01-15 2002-08-02 Sony Corp マルチ磁気記録ヘッド並びにこれを用いた磁気記録方法及び磁気記録装置
US6995951B2 (en) * 2001-04-03 2006-02-07 Sony Corporation Method of planarizing substrate, magnetic head and manufacturing method of the same
JP2004039074A (ja) * 2002-07-02 2004-02-05 Sony Corp マルチチャンネルヘッドの位置制御装置およびマルチチャンネルヘッドの位置制御方法
US6947247B2 (en) * 2003-03-05 2005-09-20 Advanced Research Corporation Large angle azimuth recording and head configurations
US7106544B2 (en) * 2003-05-09 2006-09-12 Advanced Research Corporation Servo systems, servo heads, servo patterns for data storage especially for reading, writing, and recording in magnetic recording tape

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006048580A2 *

Also Published As

Publication number Publication date
WO2006048580A3 (fr) 2006-11-09
FR2877484A1 (fr) 2006-05-05
WO2006048580A2 (fr) 2006-05-11
JP2008519384A (ja) 2008-06-05
US20080266709A1 (en) 2008-10-30

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