DE69213492T2 - Verfahren zum Herstellen eines Magnetkopfes und nach diesem Verfahren hergestellter Magnetkopf - Google Patents

Verfahren zum Herstellen eines Magnetkopfes und nach diesem Verfahren hergestellter Magnetkopf

Info

Publication number
DE69213492T2
DE69213492T2 DE69213492T DE69213492T DE69213492T2 DE 69213492 T2 DE69213492 T2 DE 69213492T2 DE 69213492 T DE69213492 T DE 69213492T DE 69213492 T DE69213492 T DE 69213492T DE 69213492 T2 DE69213492 T2 DE 69213492T2
Authority
DE
Germany
Prior art keywords
magnetic head
manufacturing
head made
magnetic
head
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
DE69213492T
Other languages
English (en)
Other versions
DE69213492D1 (de
Inventor
Helmut Johannes Gassen
Eugene Leonardus Ma Raemaekers
Wilhelmus Joseph Maria Smits
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.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
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 Philips Electronics NV filed Critical Philips Electronics NV
Application granted granted Critical
Publication of DE69213492D1 publication Critical patent/DE69213492D1/de
Publication of DE69213492T2 publication Critical patent/DE69213492T2/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
    • 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
    • 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
    • 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
    • G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic 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
    • G11B5/455—Arrangements for functional testing of heads; Measuring arrangements for heads
    • 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
    • Y10T29/49004—Electrical device making including measuring or testing of device or component part
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DE69213492T 1991-02-04 1992-01-29 Verfahren zum Herstellen eines Magnetkopfes und nach diesem Verfahren hergestellter Magnetkopf Expired - Fee Related DE69213492T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9100191A NL9100191A (nl) 1991-02-04 1991-02-04 Werkwijze voor het vervaardigen van een magneetkop en magneetkop vervaardigd volgens de werkwijze.

Publications (2)

Publication Number Publication Date
DE69213492D1 DE69213492D1 (de) 1996-10-17
DE69213492T2 true DE69213492T2 (de) 1997-03-20

Family

ID=19858823

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69213492T Expired - Fee Related DE69213492T2 (de) 1991-02-04 1992-01-29 Verfahren zum Herstellen eines Magnetkopfes und nach diesem Verfahren hergestellter Magnetkopf

Country Status (6)

Country Link
US (1) US5218755A (de)
EP (1) EP0498492B1 (de)
JP (1) JPH0567315A (de)
KR (1) KR920017026A (de)
DE (1) DE69213492T2 (de)
NL (1) NL9100191A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU642066B2 (en) * 1991-01-25 1993-10-07 Nanosystems L.L.C. X-ray contrast compositions useful in medical imaging
EP0746849B1 (de) * 1994-11-24 2001-03-07 Koninklijke Philips Electronics N.V. Magnetkopf ausgestattet mit schreibelementen und leseelementen
KR970703576A (ko) * 1995-03-24 1997-07-03 요트.게.아 롤페즈 자기헤드와 측정디바이스와 전류 디바이스를 구비한 시스템(System comprising a magnetic head, a measuring device and a current device)
WO1997024712A1 (en) * 1995-12-27 1997-07-10 Philips Electronics N.V. Magnetic head comprising a multilayer structure with electrically conducting head elements
US6700738B1 (en) 2001-03-16 2004-03-02 Kyusik Sin Read/write head coil tap having upper and lower portions
US7170721B2 (en) * 2002-06-25 2007-01-30 Quantum Corporation Method of producing flux guides in magnetic recording heads
US7290325B2 (en) 2004-08-13 2007-11-06 Quantum Corporation Methods of manufacturing magnetic heads with reference and monitoring devices
US7751154B2 (en) 2005-05-19 2010-07-06 Quantum Corporation Magnetic recording heads with bearing surface protections and methods of manufacture
US7760465B2 (en) * 2005-10-25 2010-07-20 International Business Machines Corporation Magnetic head having selectively defined reader gap thicknesses
US8277697B2 (en) 2008-10-29 2012-10-02 Global Oled Technology Llc Color filter element with improved colorant dispersion

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3710235A (en) * 1971-06-04 1973-01-09 Ibm Method and apparatus for testing batch fabricated magnetic heads during manufacture utilizing a magnetic field generated by a current carrying conductor
US3787964A (en) * 1971-12-23 1974-01-29 Ibm Method for manufacturing a magnetic head
US3821815A (en) * 1972-10-11 1974-06-28 Ibm Apparatus for batch fabricating magnetic film heads and method therefor
US4052748A (en) * 1974-04-01 1977-10-04 U.S. Philips Corporation Magnetoresistive magnetic head
US4689877A (en) * 1985-08-29 1987-09-01 International Business Machines Corp. Method and apparatus for controlling the throat height of batch fabricated thin film magnetic transducers
US4829658A (en) * 1987-09-24 1989-05-16 Siemens Aktiengesellschaft Method for manufacturing terminal contacts for thin-film magnetic heads
NL8901373A (nl) * 1989-05-31 1990-12-17 Philips Nv Dunnefilm magneetkop alsmede een werkwijze voor de vervaardiging van een dergelijke magneetkop.
US5065483A (en) * 1991-02-19 1991-11-19 International Business Machines Corporation Method of lapping magnetic recording heads

Also Published As

Publication number Publication date
EP0498492A1 (de) 1992-08-12
JPH0567315A (ja) 1993-03-19
DE69213492D1 (de) 1996-10-17
US5218755A (en) 1993-06-15
EP0498492B1 (de) 1996-09-11
NL9100191A (nl) 1992-09-01
KR920017026A (ko) 1992-09-25

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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: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee