SG44041A1 - Method of manufacturing a thin-film magnetic head and magnetic head obtainable by means of said method - Google Patents

Method of manufacturing a thin-film magnetic head and magnetic head obtainable by means of said method

Info

Publication number
SG44041A1
SG44041A1 SG1996009634A SG1996009634A SG44041A1 SG 44041 A1 SG44041 A1 SG 44041A1 SG 1996009634 A SG1996009634 A SG 1996009634A SG 1996009634 A SG1996009634 A SG 1996009634A SG 44041 A1 SG44041 A1 SG 44041A1
Authority
SG
Singapore
Prior art keywords
magnetic head
thin
manufacturing
obtainable
film magnetic
Prior art date
Application number
SG1996009634A
Other languages
English (en)
Inventor
Lambertus Postma
Henricus Godefridus R Maas
Jan Haisma
Jacobus Josephus Maria Ruigrok
Gerardus Henricus Johan Somers
Original Assignee
Koninkl 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
Priority claimed from BE9300274A external-priority patent/BE1006925A3/nl
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of SG44041A1 publication Critical patent/SG44041A1/en

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
    • G11B5/33—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
    • G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
    • G11B5/3916—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide
    • 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
    • G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
    • G11B5/3916—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide
    • G11B5/3919—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path
    • 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
    • G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
    • G11B5/3916—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide
    • G11B5/3919—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path
    • G11B5/3922—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path the read-out elements being disposed in magnetic shunt relative to at least two parts of the flux guide structure
    • G11B5/3925—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path the read-out elements being disposed in magnetic shunt relative to at least two parts of the flux guide structure the two parts being thin 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
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
SG1996009634A 1993-03-22 1994-03-16 Method of manufacturing a thin-film magnetic head and magnetic head obtainable by means of said method SG44041A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9300274A BE1006925A3 (nl) 1993-03-22 1993-03-22 Werkwijze voor het vervaardigen van een dunnefilm magneetkop en magneetkop vervaardigd volgens de werkwijze.
EP93200995 1993-04-06

Publications (1)

Publication Number Publication Date
SG44041A1 true SG44041A1 (en) 1997-11-14

Family

ID=25662715

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996009634A SG44041A1 (en) 1993-03-22 1994-03-16 Method of manufacturing a thin-film magnetic head and magnetic head obtainable by means of said method

Country Status (6)

Country Link
US (1) US5531016A (cs)
EP (1) EP0617409B1 (cs)
JP (1) JPH076331A (cs)
DE (1) DE69419642T2 (cs)
SG (1) SG44041A1 (cs)
TW (1) TW255964B (cs)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5640753A (en) * 1994-03-03 1997-06-24 Seagate Technology, Inc. Method of fabricating an inverted magnetoresistive head
EP0670570B1 (en) * 1994-03-03 2000-04-26 Seagate Technology International Magnetoresistive head and method of manufacture thereof
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)
US6183891B1 (en) 1996-12-18 2001-02-06 Onstream, Inc. Magnetic head and method of manufacture
US6747854B1 (en) 1997-02-20 2004-06-08 Koninklijke Philips Electronics N.V. Multi-channel magnetic head with magnetoresistive elements
TW369649B (en) * 1997-02-20 1999-09-11 Koninkl Philips Electronics Nv Single-channel magnetoresistive magnetic head and device including such a magnetic head
US5890278A (en) * 1997-04-01 1999-04-06 U.S. Philips Corporation Method of manufacturing a magnetic head having a structure of layers
US5936801A (en) * 1997-04-04 1999-08-10 Seagate Technology, Inc. Head slider with partially recessed magnetoresistive element
US5991119A (en) 1997-11-03 1999-11-23 Seagate Technology, Inc. Proximity head slider having recessed magnetoresistive read transducer
US6137661A (en) * 1998-10-19 2000-10-24 Read-Rite Corporation System for providing a magnetoresistive head having higher efficiency
WO2000033358A1 (en) 1998-12-03 2000-06-08 Koninklijke Philips Electronics N.V. Method of forming an assembly of stacked layers
US6554878B1 (en) 1999-06-14 2003-04-29 International Business Machines Corporation Slurry for multi-material chemical mechanical polishing
US6131271A (en) * 1999-06-25 2000-10-17 International Business Machines Corporation Method of planarizing first pole piece layer of write head by lapping without delamination of first pole piece layer from wafer substrate
US6433958B1 (en) * 1999-07-27 2002-08-13 Matsushita Electric Industrial Co., Ltd. Magnetic head, method for producing the same, video recording and reproduction apparatus including the magnetic head, and video camera including the magnetic head
US6510030B1 (en) 1999-08-17 2003-01-21 Seagate Technology, Llc Transducing head and method for forming a recessed shield for a transducing head
US6291351B1 (en) 2000-06-28 2001-09-18 International Business Machines Corporation Endpoint detection in chemical-mechanical polishing of cloisonne structures
US6712985B2 (en) 2001-07-03 2004-03-30 Hitachi Global Storage Technologies Method and apparatus for the manufacture of thin film magnetic transducers using a compliant, soft lapping process
JP2003317214A (ja) 2002-04-19 2003-11-07 Alps Electric Co Ltd 薄膜磁気ヘッド及び薄膜磁気ヘッドの下部シールド層の形成方法
US7650697B2 (en) * 2004-06-01 2010-01-26 Nidec Corporation Methods of manufacturing fluid-dynamic-pressure bearing and spindle motor incorporating the bearing, and spindle motor and recording-disk drive incorporating the bearing
US20060002023A1 (en) * 2004-06-30 2006-01-05 Quang Le Magnetic head having a deposited second magnetic shield and fabrication method therefor
US20060025053A1 (en) * 2004-07-30 2006-02-02 Marie-Claire Cyrille Method for fabricating a magnetic transducer using a slurry with spherical particles for CMP-assisted photoresist lift-off

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052748A (en) * 1974-04-01 1977-10-04 U.S. Philips Corporation Magnetoresistive magnetic head
JPS59152521A (ja) * 1983-02-21 1984-08-31 Hitachi Ltd 磁気抵抗効果型多素子磁気ヘツド
JPS60177420A (ja) * 1984-02-23 1985-09-11 Nec Corp 複合型薄膜磁気ヘツド及びその製造方法
JPS6292219A (ja) * 1985-10-18 1987-04-27 Victor Co Of Japan Ltd 磁気抵抗効果型薄膜磁気ヘツド
FR2604021B1 (fr) * 1986-09-17 1988-10-28 Commissariat Energie Atomique Procede de realisation de tetes magnetiques en couches minces et a structure planaire et tete obtenue par ce procede
JP2505465B2 (ja) * 1987-06-19 1996-06-12 関西日本電気株式会社 ヨ−ク型薄膜磁気ヘッド
JPH01289224A (ja) * 1988-05-17 1989-11-21 Sumitomo Special Metals Co Ltd 薄膜磁気ヘッド用基板及びその製造方法
JPH02154309A (ja) * 1988-12-07 1990-06-13 Tdk Corp 薄膜磁気ヘッド用基板の製造方法
NL9000546A (nl) * 1990-03-09 1991-10-01 Philips Nv Werkwijze voor het vervaardigen van een dunnefilm magneetkop alsmede een dunnefilm magneetkop vervaardigbaar volgens de werkwijze.
JPH04351706A (ja) * 1991-05-30 1992-12-07 Matsushita Electric Ind Co Ltd 複合型薄膜磁気ヘッド
DE69213837T2 (de) * 1991-06-18 1997-03-13 Philips Electronics Nv Dünnfilm-Lese-/Schreibkopf ohne Pol-Umgreifeffekt
EP0579298B1 (en) * 1992-06-15 1997-09-03 Koninklijke Philips Electronics N.V. Method of manufacturing a plate having a plane main surface, method of manufacturing a plate having parallel main surfaces, and device suitable for implementing said methods

Also Published As

Publication number Publication date
EP0617409A3 (en) 1996-12-27
EP0617409A2 (en) 1994-09-28
DE69419642D1 (de) 1999-09-02
DE69419642T2 (de) 2000-02-17
US5531016A (en) 1996-07-02
EP0617409B1 (en) 1999-07-28
TW255964B (cs) 1995-09-01
JPH076331A (ja) 1995-01-10
HK1013720A1 (en) 1999-09-03

Similar Documents

Publication Publication Date Title
SG44041A1 (en) Method of manufacturing a thin-film magnetic head and magnetic head obtainable by means of said method
EP0516288A3 (en) Magnetic head and method for making such a head
EP0556914A3 (en) Method of manufacturing a magnetic device
GB2283610B (en) Magnetic head slider fabrication
SG47667A1 (en) Thin film magnetic head and method for manufacturing such a head
EP0220012A3 (en) A magnetic film, a method of producing the magnetic film, and a thin-film magnetic head
SG48089A1 (en) Method of manufacture a thin-film magnetic head and magnetic head obtainable by means of said method
EP0521564A3 (en) Thin-film magnetic head
EP0713209A3 (fr) Procédé de réalisation d'une tête magnétique verticale et tête magnétique correspondante
GB2278950B (en) Floating magnetic head device and its securing method
EP0508533A3 (en) Method of manufacturing a magnetic head, and magnetic head and magnetic head cluster obtainable by said method
EP0521552A3 (en) Thin-film magnetic head
GB2289367B (en) Magnetic head and method for manufacturing a magnetic head
EP0353304A4 (en) Thin-film magnetic head and method of producing the same
SG55136A1 (en) Magnetic head having a wear-resistant layer and method of manufacturing such a magnetic head
EP0448033A3 (en) Method of manufacturing a magnetic head
EP0488539A3 (en) Method of manufacturing flying magnetic head
SG55177A1 (en) Method of manufacturing a thin-film magnetic head and magnetic head manufactured by means of said method
GB2269931B (en) Magnetic head and its manufacture
EP0521563A3 (en) Thin-film magnetic head
SG45524A1 (en) Method for manufacturing a flying type magnetic head slider
EP0510970A3 (en) Magnetic head and manufacturing method thereof
GB9308914D0 (en) A removabel coil form for superconducting nmr magnets and a method for its use
EP0493902A3 (en) Magnetic head slider and method for making same
EP0617408A3 (en) Slider for magnetic head core and process for its manufacture.