DE68913291D1 - Magnetischer Dünnschichtschreib- und Lesekopf sowie Methode zur Herstellung desgleichen. - Google Patents

Magnetischer Dünnschichtschreib- und Lesekopf sowie Methode zur Herstellung desgleichen.

Info

Publication number
DE68913291D1
DE68913291D1 DE89308758T DE68913291T DE68913291D1 DE 68913291 D1 DE68913291 D1 DE 68913291D1 DE 89308758 T DE89308758 T DE 89308758T DE 68913291 T DE68913291 T DE 68913291T DE 68913291 D1 DE68913291 D1 DE 68913291D1
Authority
DE
Germany
Prior art keywords
manufacturing
same
magnetic thin
reading head
film writing
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
DE89308758T
Other languages
English (en)
Other versions
DE68913291T2 (de
Inventor
Mark Jursich
Scott Daniel Dobbins
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.)
Seagate Technology LLC
Original Assignee
Seagate Technology International
Seagate Technology LLC
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 Seagate Technology International, Seagate Technology LLC filed Critical Seagate Technology International
Publication of DE68913291D1 publication Critical patent/DE68913291D1/de
Application granted granted Critical
Publication of DE68913291T2 publication Critical patent/DE68913291T2/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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G11B5/11—Shielding of head against electric or magnetic fields
    • G11B5/112—Manufacture of shielding device
    • 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
    • G11B5/3109—Details
    • G11B5/313—Disposition of layers
    • G11B5/3143—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Heads (AREA)
DE68913291T 1989-03-03 1989-08-30 Magnetischer Dünnschichtschreib- und Lesekopf sowie Methode zur Herstellung desgleichen. Expired - Fee Related DE68913291T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/319,144 US4972286A (en) 1989-03-03 1989-03-03 Grounding pole structures in thin film mganetic heads

Publications (2)

Publication Number Publication Date
DE68913291D1 true DE68913291D1 (de) 1994-03-31
DE68913291T2 DE68913291T2 (de) 1994-05-26

Family

ID=23241040

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68913291T Expired - Fee Related DE68913291T2 (de) 1989-03-03 1989-08-30 Magnetischer Dünnschichtschreib- und Lesekopf sowie Methode zur Herstellung desgleichen.

Country Status (8)

Country Link
US (1) US4972286A (de)
EP (1) EP0385023B1 (de)
JP (1) JP2505594B2 (de)
CN (1) CN1018591B (de)
DE (1) DE68913291T2 (de)
HK (1) HK110194A (de)
MY (1) MY104214A (de)
PT (1) PT93005B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5820770A (en) * 1992-07-21 1998-10-13 Seagate Technology, Inc. Thin film magnetic head including vias formed in alumina layer and process for making the same
US5566038A (en) * 1993-05-13 1996-10-15 Seagate Technology, Inc. Thin film magnetic head having core to coil over-voltage protection
US6233117B1 (en) 1994-07-15 2001-05-15 Seagate Technology Llc Electrically conductive path between head assembly and gimbal assembly in magnetic disc drive
US5539598A (en) * 1994-12-08 1996-07-23 International Business Machines Corporation Electrostatic protection for a shielded MR sensor
US5712748A (en) * 1996-06-11 1998-01-27 Seagate Technology, Inc. Slider-suspension in a disc drive
US6445538B1 (en) * 2000-10-12 2002-09-03 Storage Technology Corporation Electrostatic discharge control in tape reading heads with conductive epoxy adhesive
US6760199B2 (en) 2001-07-23 2004-07-06 International Business Machines Corporation Read/write head assembly employing independent read/write shield-pairing and charge-clamped magnetoresistive sensors
US7369370B2 (en) 2002-08-07 2008-05-06 Headway Technologies, Inc. GMR head design that suppresses tribocharge during its assembly
US6870706B1 (en) 2002-08-07 2005-03-22 Headway Technologies, Inc. Method for suppressing tribocharge in the assembly of magnetic heads
US7369358B2 (en) * 2004-02-05 2008-05-06 Seagate Technology Llc Grounded writer core
US7400474B2 (en) * 2005-10-28 2008-07-15 International Business Machines Corporation Conductive pairing for piggyback magnetic head
US8102236B1 (en) * 2010-12-14 2012-01-24 International Business Machines Corporation Thin film inductor with integrated gaps

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3079467A (en) * 1958-07-29 1963-02-26 Rca Corp Magnetic head construction
US3860965A (en) * 1973-10-04 1975-01-14 Ibm Magnetoresistive read head assembly having matched elements for common mode rejection
US4012781A (en) * 1975-08-14 1977-03-15 International Business Machines Corporation Magnetoresistive read head assembly for servo operation
AT340157B (de) * 1976-03-08 1977-11-25 Eumig Verfahren zur herstellung eines magnetkopfes und nach diesem verfahren hergestellter magnetkopf
JPS5422815A (en) * 1977-07-21 1979-02-21 Fujitsu Ltd Thin film magnetic head and production thereof
US4317149A (en) * 1980-06-02 1982-02-23 International Business Machines Corporation Magnetic head having static discharge means
US4356523A (en) * 1980-06-09 1982-10-26 Ampex Corporation Narrow track magnetoresistive transducer assembly
US4343026A (en) * 1980-07-09 1982-08-03 Spin Physics, Inc. Magnetoresistive head employing field feedback
DE3035327A1 (de) * 1980-09-19 1982-05-06 Hoechst Ag, 6000 Frankfurt Kuehlfluessigkeit mit korrosions- und kavitationshemmenden zusaetzen
US4425594A (en) * 1981-09-28 1984-01-10 Obedineni Zavodi Za Zapametyavashti Ustroystva Ceramic-ferrite head
DE3279790D1 (en) * 1981-12-09 1989-08-03 Matsushita Electric Ind Co Ltd Thin film magnetic head
JPS60103512A (ja) * 1983-11-10 1985-06-07 Canon Inc 薄膜磁気ヘツド
US4546541A (en) * 1983-10-14 1985-10-15 Applied Magnetics Corporation Method of attaching electrical conductors to thin film magnetic transducer
FR2559297B1 (fr) * 1984-02-03 1990-01-12 Commissariat Energie Atomique Nouveau patin de vol pour tetes magnetiques d'enregistrement
JPH0760493B2 (ja) * 1985-02-13 1995-06-28 富士通株式会社 薄膜磁気ヘツド
US4800454A (en) * 1987-08-10 1989-01-24 Magnetic Peripherals Inc. Static charge protection for magnetic thin film data transducers
US4841395A (en) * 1988-03-21 1989-06-20 Magnetic Peripherals Inc. Static electricity discharge device for a magnetic head
JPH06350904A (ja) * 1993-06-08 1994-12-22 Olympus Optical Co Ltd カメラ

Also Published As

Publication number Publication date
PT93005B (pt) 1995-12-29
PT93005A (pt) 1991-10-15
HK110194A (en) 1994-10-21
JP2505594B2 (ja) 1996-06-12
EP0385023A3 (en) 1990-12-05
CN1018591B (zh) 1992-10-07
MY104214A (en) 1994-02-28
CN1045310A (zh) 1990-09-12
DE68913291T2 (de) 1994-05-26
JPH02240811A (ja) 1990-09-25
EP0385023A2 (de) 1990-09-05
EP0385023B1 (de) 1994-02-23
US4972286A (en) 1990-11-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SEAGATE TECHNOLOGY LLC, SCOTTS VALLEY, CALIF., US

8328 Change in the person/name/address of the agent

Free format text: HENKEL, FEILER & HAENZEL, 81675 MUENCHEN

8339 Ceased/non-payment of the annual fee