DE60224539D1 - Lese/schreibkopfanordnung - Google Patents

Lese/schreibkopfanordnung

Info

Publication number
DE60224539D1
DE60224539D1 DE60224539T DE60224539T DE60224539D1 DE 60224539 D1 DE60224539 D1 DE 60224539D1 DE 60224539 T DE60224539 T DE 60224539T DE 60224539 T DE60224539 T DE 60224539T DE 60224539 D1 DE60224539 D1 DE 60224539D1
Authority
DE
Germany
Prior art keywords
write
shield
read
magnetic pole
gap
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 - Lifetime
Application number
DE60224539T
Other languages
English (en)
Other versions
DE60224539T2 (de
Inventor
Robert Glenn Biskeborn
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE60224539D1 publication Critical patent/DE60224539D1/de
Publication of DE60224539T2 publication Critical patent/DE60224539T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G11B5/11—Shielding of head against electric or magnetic fields
    • 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
    • G11B5/3903—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 using magnetic thin film layers or their effects, the films being part of integrated structures
    • G11B5/3967—Composite structural arrangements of transducers, e.g. inductive write and magnetoresistive read
    • 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
    • G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
    • G11B5/3106—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing where the integrated or assembled structure comprises means for conditioning against physical detrimental influence, e.g. wear, contamination
    • 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
    • G11B5/40—Protective measures on heads, e.g. against excessive temperature 
    • 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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/255—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for protection against wear
    • 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
    • G11B5/488—Disposition of heads
    • G11B5/4893—Disposition of heads relative to moving tape
DE60224539T 2001-07-23 2002-07-22 Lese/schreibkopfanordnung Expired - Lifetime DE60224539T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US911555 1986-09-25
US09/911,555 US6760199B2 (en) 2001-07-23 2001-07-23 Read/write head assembly employing independent read/write shield-pairing and charge-clamped magnetoresistive sensors
PCT/GB2002/003366 WO2003010760A1 (en) 2001-07-23 2002-07-22 Read/write head assembly

Publications (2)

Publication Number Publication Date
DE60224539D1 true DE60224539D1 (de) 2008-02-21
DE60224539T2 DE60224539T2 (de) 2009-01-08

Family

ID=25430455

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60224539T Expired - Lifetime DE60224539T2 (de) 2001-07-23 2002-07-22 Lese/schreibkopfanordnung

Country Status (7)

Country Link
US (1) US6760199B2 (de)
EP (1) EP1410384B1 (de)
JP (1) JP3999737B2 (de)
KR (1) KR100655826B1 (de)
AT (1) ATE383642T1 (de)
DE (1) DE60224539T2 (de)
WO (1) WO2003010760A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6879471B2 (en) * 2003-06-17 2005-04-12 Seagate Technology Llc Recording head design for identifying reader-to-permanent magnet isolation failure
JP2005032386A (ja) * 2003-07-10 2005-02-03 Sony Corp テープ記録システム及びヘッド装置
US7719802B2 (en) * 2003-09-23 2010-05-18 Seagate Technology Llc Magnetic sensor with electrically defined active area dimensions
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
US7692893B2 (en) * 2004-06-30 2010-04-06 Hitachi Global Storage Technologies Netherlands, B.V. Side-by-side magnetic head configuration with flared pole tip layer and read sensor sharing same plane
US7251878B2 (en) * 2004-06-30 2007-08-07 Hitachi Global Storage Technologies Netherlands B.V. Method and apparatus for defining leading edge taper of a write pole tip
US7551393B2 (en) * 2004-08-23 2009-06-23 International Business Machines Corporation Tape recording head with multiple planes of transducer arrays
US7535674B2 (en) 2004-09-09 2009-05-19 Hitachi Global Storage Technologies Netherlands B.V. Narrow pitch tape head array using an orthogonal backgap
US7567409B2 (en) * 2004-09-09 2009-07-28 Hitachi Global Storage Technologies Netherlands B.V. Multilayer narrow pitch tape head array
US7392579B2 (en) * 2005-03-07 2008-07-01 Headway Technologies, Inc. Method for protecting a slider mounted CPP GMR or TMR read head sensor from noise and ESD damage
US7414811B2 (en) * 2005-08-26 2008-08-19 International Business Machines Corporation Magnetic head having three modules
US7660072B2 (en) * 2005-08-26 2010-02-09 International Business Machines Corporation Magnetic head with planar outrigger
US7400474B2 (en) * 2005-10-28 2008-07-15 International Business Machines Corporation Conductive pairing for piggyback magnetic head
US7548397B2 (en) * 2005-11-16 2009-06-16 International Business Machines Corporation Magnetic reader with piggybacked fence
US7486475B2 (en) * 2005-12-14 2009-02-03 International Business Machines Corporation Magnetic data system having bias circuit with bias resistor
US7791834B2 (en) * 2006-08-14 2010-09-07 International Business Machines Corporation Magnetic head having a ratio of back gap width to front gap width in about a defined range
US7382569B2 (en) * 2006-10-11 2008-06-03 Intenational Business Machines Corporation Progressive track width head and method
US7480117B2 (en) * 2006-12-12 2009-01-20 International Business Machines Corporation High areal density tape head
US8009386B2 (en) * 2007-11-26 2011-08-30 Tdk Corporation Magnetic tape head with magnetic head layer formed on base substrate
JP4930617B2 (ja) * 2010-03-26 2012-05-16 ソニー株式会社 磁気テープ装置
US8861132B2 (en) 2010-07-06 2014-10-14 International Business Machines Corporation Low friction tape head and system implementing same
US11776565B2 (en) 2022-01-12 2023-10-03 Western Digital Technologies, Inc. Tape head with side-shielded writers and process for making same

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1570126A (en) 1977-03-15 1980-06-25 Data Recording Instr Co Manufacture of magnetic heads
US4623867A (en) * 1984-08-13 1986-11-18 Ampex Corporation Permanent magnet biased narrow track magnetoresistive transducer
US4972286A (en) 1989-03-03 1990-11-20 Seagate Technology, Inc. Grounding pole structures in thin film mganetic heads
US5247413A (en) 1990-05-16 1993-09-21 Sony Corporation Magnetoresistance effect type thin film magnetic head with noise reducing electrode
US5142425A (en) 1990-08-09 1992-08-25 Hewlett-Packard Company Disk drive in which magnetic head-to-disk capacitive coupling is eliminated
EP0477941B1 (de) 1990-09-28 1996-03-06 Sony Corporation Magnetkopf mit dem Effekt der Widerstandsänderung im Magnetfeld
JPH06215321A (ja) 1993-01-20 1994-08-05 Hitachi Ltd デュアル磁気ヘッド
JPH0778309A (ja) 1993-07-14 1995-03-20 Sony Corp 薄膜磁気ヘッド及び磁気抵抗効果型磁気ヘッド並びに複合型磁気ヘッド
JP2741837B2 (ja) * 1993-08-06 1998-04-22 インターナショナル・ビジネス・マシーンズ・コーポレイション 薄膜磁気抵抗ヘッド
US5491600A (en) * 1994-05-04 1996-02-13 International Business Machines Corporation Multi-layer conductor leads in a magnetoresistive head
US5663856A (en) 1994-12-06 1997-09-02 Packard; Edward L. Thin film magnetic head with enhanced gap area enhanced by surrounding materials of hard and electrically conductive material
US5539598A (en) * 1994-12-08 1996-07-23 International Business Machines Corporation Electrostatic protection for a shielded MR sensor
US5491605A (en) 1994-12-23 1996-02-13 International Business Machines Corporation Shorted magnetoresistive head elements for electrical overstress and electrostatic discharge protection
US5761009A (en) 1995-06-07 1998-06-02 International Business Machines Corporation Having parastic shield for electrostatic discharge protection
US5764446A (en) * 1996-05-01 1998-06-09 International Business Machines Corporation Magnetic head having an air bearing surface with short-resistant leads
JPH1055518A (ja) 1996-08-08 1998-02-24 Hitachi Ltd 薄膜磁気ヘッド及び磁気ディスク装置
US5757591A (en) * 1996-11-25 1998-05-26 International Business Machines Corporation Magnetoresistive read/inductive write magnetic head assembly fabricated with silicon on hard insulator for improved durability and electrostatic discharge protection and method for manufacturing same
JPH10247307A (ja) 1997-03-04 1998-09-14 Fujitsu Ltd 磁気ヘッド及び磁気記憶装置
US5850324A (en) * 1997-03-13 1998-12-15 Quantum Corporation Magnetoresistive head having electrically isolated conductor leads
US5829702A (en) * 1997-03-26 1998-11-03 Exabyte Corporation Method and apparatus for counteracting interlayer slip in magnetic tape drive
JPH11175931A (ja) 1997-12-16 1999-07-02 Nec Corp 磁気抵抗効果型複合ヘッド及び磁気ディスク装置
US6330123B1 (en) * 1999-05-28 2001-12-11 Imation Corp. Head assembly having a single pass servo writer

Also Published As

Publication number Publication date
US6760199B2 (en) 2004-07-06
WO2003010760A1 (en) 2003-02-06
ATE383642T1 (de) 2008-01-15
JP3999737B2 (ja) 2007-10-31
DE60224539T2 (de) 2009-01-08
EP1410384A1 (de) 2004-04-21
KR100655826B1 (ko) 2006-12-11
KR20040020060A (ko) 2004-03-06
JP2004537137A (ja) 2004-12-09
US20030016474A1 (en) 2003-01-23
EP1410384B1 (de) 2008-01-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)