DE60228203D1 - Magnetischer dünnfilm-bandkopf und verfahren zu seiner herstellung - Google Patents

Magnetischer dünnfilm-bandkopf und verfahren zu seiner herstellung

Info

Publication number
DE60228203D1
DE60228203D1 DE60228203T DE60228203T DE60228203D1 DE 60228203 D1 DE60228203 D1 DE 60228203D1 DE 60228203 T DE60228203 T DE 60228203T DE 60228203 T DE60228203 T DE 60228203T DE 60228203 D1 DE60228203 D1 DE 60228203D1
Authority
DE
Germany
Prior art keywords
cluster
bar
block
thin film
production
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
DE60228203T
Other languages
English (en)
Inventor
Chuck Fai Lam
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.)
LAFE CORP. LTD., HONG KONG, CN
Original Assignee
Lafe Technology 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 Lafe Technology Ltd filed Critical Lafe Technology Ltd
Application granted granted Critical
Publication of DE60228203D1 publication Critical patent/DE60228203D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/48—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
    • G11B5/4915—Structure of specially adapted heads
    • G11B5/4923—Structure of specially adapted heads in which zones of the transducing part are being physically controllable
    • G11B5/493—Control of magnetic properties, e.g. saturation, anisotropy
    • G11B5/4938—Control of magnetic properties, e.g. saturation, anisotropy of thin magnetic films
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1082—Partial cutting bonded sandwich [e.g., grooving or incising]
    • 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
    • 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
    • Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
    • Y10T29/49043—Depositing magnetic layer or coating
    • 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
    • Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
    • Y10T29/49043—Depositing magnetic layer or coating
    • Y10T29/49044—Plural magnetic deposition layers
    • 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
    • Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
    • Y10T29/49043—Depositing magnetic layer or coating
    • Y10T29/49046—Depositing magnetic layer or coating with etching or machining of magnetic material
    • 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]
    • 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
    • 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
    • Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
    • 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
    • Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
    • Y10T29/49059—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic with work positioning means

Landscapes

  • Magnetic Heads (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
DE60228203T 2001-02-28 2002-02-21 Magnetischer dünnfilm-bandkopf und verfahren zu seiner herstellung Expired - Fee Related DE60228203D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/795,911 US6606219B2 (en) 2001-02-28 2001-02-28 Magnetic tape head including a transducer cluster and a block fixed to a u-shaped frame having a ridge
PCT/IB2002/000517 WO2002069329A1 (en) 2001-02-28 2002-02-21 Thin film magnetic tape head and method of manufacturing therefor

Publications (1)

Publication Number Publication Date
DE60228203D1 true DE60228203D1 (de) 2008-09-25

Family

ID=25166759

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60228203T Expired - Fee Related DE60228203D1 (de) 2001-02-28 2002-02-21 Magnetischer dünnfilm-bandkopf und verfahren zu seiner herstellung

Country Status (5)

Country Link
US (2) US6606219B2 (de)
EP (1) EP1364366B1 (de)
AT (1) ATE404968T1 (de)
DE (1) DE60228203D1 (de)
WO (1) WO2002069329A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6937435B2 (en) * 2003-05-16 2005-08-30 Quantum Corporation Tape head with thin support surface and method of manufacture
US7154691B2 (en) * 2003-12-18 2006-12-26 Quantum Corporation Multi-format thinfilm head and associated methods
US8264793B2 (en) 2004-01-30 2012-09-11 International Business Machines Corporation Tape head with facing beams each having a head chip positioned in a recess thereof
US7271983B2 (en) * 2004-09-16 2007-09-18 Quantum Corporation Magnetic head with mini-outriggers and method of manufacture
US7256963B2 (en) * 2004-09-16 2007-08-14 Quantum Corporation Magnetic head with adaptive data island and mini-outrigger and methods of manufacture
US7443638B2 (en) * 2005-04-22 2008-10-28 Taiwan Semiconductor Manufacturing Company Ltd. Magnetoresistive structures and fabrication methods
US20070183091A1 (en) * 2006-02-03 2007-08-09 Saliba George A Read/write head having varying wear regions and methods of manufacture
US7894161B2 (en) * 2007-03-01 2011-02-22 International Business Machines Corporation Tape head assembly having a single beam and multiple modules coupled to the beam
US8542460B2 (en) * 2008-03-12 2013-09-24 International Business Machines Corporation Head for tape drive with transversely varying contour
US8861132B2 (en) 2010-07-06 2014-10-14 International Business Machines Corporation Low friction tape head and system implementing same
US8679733B2 (en) 2011-01-19 2014-03-25 International Business Machines Corporation Patterning process for small devices
US8373944B2 (en) 2011-05-26 2013-02-12 International Business Machines Corporation Low friction tape head and system implementing same

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3776359D1 (en) * 1986-02-13 1992-03-12 Sony Corp Duennschichtmagnetkopf.
US4797767A (en) * 1986-11-20 1989-01-10 American Magnetics Corporation Digital magnetic head structure
US4864717A (en) * 1986-11-20 1989-09-12 American Magnetics Corporation Method of making a digital magnetic head structure
US4825532A (en) * 1988-04-13 1989-05-02 Eastman Kodak Company Method for making a multi-head magnetic head assembly
JP2678019B2 (ja) 1988-07-08 1997-11-17 シャープ株式会社 磁気記録再生装置
DE3824045C2 (de) * 1988-07-15 1994-04-07 Broadcast Television Syst Magnetkopfanordnung für ein Magnetbandgerät
JP2541846B2 (ja) * 1988-11-18 1996-10-09 ナカミチ株式会社 複合磁気ヘッド
JP2971891B2 (ja) * 1989-03-20 1999-11-08 ソニー株式会社 磁気ヘッド
JPH03266206A (ja) * 1990-03-15 1991-11-27 Toshiba Corp 磁気ヘッド及びその製造方法
US5301418A (en) * 1991-04-12 1994-04-12 U.S. Philips Corporation Method of manufacturing a magnetic head
US5260845A (en) * 1991-04-30 1993-11-09 Minebea Co., Ltd. Magnetic head having a thin film conductor coil assembly formed separate from a magnetic head core
US5237476A (en) 1991-05-28 1993-08-17 Read-Rite Corp. Thin film tape head assembly
JPH0520656A (ja) 1991-07-10 1993-01-29 Teac Corp 磁気ヘツド
US5267392A (en) * 1992-03-04 1993-12-07 Ampex Systems Corporation Method of manufacturing a laminated high frequency magnetic transducer
DE69428997T2 (de) 1993-07-19 2002-04-11 Quantum Corp Magnetkopf mit selbstregulierenden verschleisszonen
US5423116A (en) * 1993-07-21 1995-06-13 Storage Technology Corporation Method of manufacturing a multi-track longitudinal, metal-in-gap head
JP3305880B2 (ja) 1994-01-25 2002-07-24 ティーディーケイ株式会社 薄膜磁気ヘッド及び磁気記録再生装置
JP3443916B2 (ja) 1994-02-07 2003-09-08 ミツミ電機株式会社 フロッピディスク用磁気ヘッド
FR2716996B1 (fr) * 1994-03-07 1996-04-05 Commissariat Energie Atomique Tête magnétique verticale et son procédé de réalisation.
US5602703A (en) 1994-12-27 1997-02-11 Seagate Technology, Inc. Recording head for recording track-centering servo signals on a multi-track recording medium
KR19990035914A (ko) * 1995-07-26 1999-05-25 앤드류 크라이더 다중 채널 헤드 조립체용 방법 및 장치
JPH0944830A (ja) 1995-07-28 1997-02-14 Mitsumi Electric Co Ltd 磁気ヘッド
JPH1074303A (ja) * 1996-08-30 1998-03-17 Nec Kansai Ltd 磁気ヘッドの製造方法及び磁気ヘッド
US5883770A (en) * 1997-07-18 1999-03-16 International Business Machines Corporation Partial width mass produced linear tape recording head
JPH1186208A (ja) * 1998-07-22 1999-03-30 Matsushita Electric Ind Co Ltd 磁気ヘッドの製造方法

Also Published As

Publication number Publication date
US6606219B2 (en) 2003-08-12
ATE404968T1 (de) 2008-08-15
EP1364366A4 (de) 2007-05-16
US20030188825A1 (en) 2003-10-09
WO2002069329A1 (en) 2002-09-06
EP1364366B1 (de) 2008-08-13
EP1364366A1 (de) 2003-11-26
US6849148B2 (en) 2005-02-01
US20020118489A1 (en) 2002-08-29

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: LAFE CORP. LTD., HONG KONG, CN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee