HK1013362A1 - Method of manufacturing a thin-film magnetic head and magnetic head manufactured by means of said method - Google Patents

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

Info

Publication number
HK1013362A1
HK1013362A1 HK98114649A HK98114649A HK1013362A1 HK 1013362 A1 HK1013362 A1 HK 1013362A1 HK 98114649 A HK98114649 A HK 98114649A HK 98114649 A HK98114649 A HK 98114649A HK 1013362 A1 HK1013362 A1 HK 1013362A1
Authority
HK
Hong Kong
Prior art keywords
magnetic head
thin
manufacturing
manufactured
film magnetic
Prior art date
Application number
HK98114649A
Other languages
English (en)
Inventor
Straalen Arie Johan Van
Gerardus Henricus Johan Somers
Lambertus Postma
Original Assignee
Onstream Inc
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 Onstream Inc filed Critical Onstream Inc
Publication of HK1013362A1 publication Critical patent/HK1013362A1/xx

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
    • 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
    • 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
    • G11B5/1272—Assembling or shaping of elements
    • 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
    • G11B5/127—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
    • G11B5/332—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using thin films
    • 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
    • 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
    • Y10T29/49037—Using reference point/surface to facilitate measuring
    • 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
    • Y10T29/49039—Fabricating head structure or component thereof including measuring or testing with dual gap materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
HK98114649A 1993-12-17 1998-12-22 Method of manufacturing a thin-film magnetic head and magnetic head manufactured by means of said method HK1013362A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9301411A BE1007992A3 (nl) 1993-12-17 1993-12-17 Werkwijze voor het vervaardigen van een dunnefilmmagneetkop en magneetkop vervaardigd volgens de werkwijze.

Publications (1)

Publication Number Publication Date
HK1013362A1 true HK1013362A1 (en) 1999-08-20

Family

ID=3887655

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98114649A HK1013362A1 (en) 1993-12-17 1998-12-22 Method of manufacturing a thin-film magnetic head and magnetic head manufactured by means of said method

Country Status (8)

Country Link
US (1) US5764453A (xx)
EP (1) EP0658881B1 (xx)
JP (1) JPH07210821A (xx)
KR (1) KR950020413A (xx)
BE (1) BE1007992A3 (xx)
DE (1) DE69420684T2 (xx)
HK (1) HK1013362A1 (xx)
SG (1) SG55177A1 (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3415432B2 (ja) * 1998-03-31 2003-06-09 ティーディーケイ株式会社 薄膜磁気ヘッドおよびその製造方法
US6510030B1 (en) 1999-08-17 2003-01-21 Seagate Technology, Llc Transducing head and method for forming a recessed shield for a transducing head
US6700738B1 (en) 2001-03-16 2004-03-02 Kyusik Sin Read/write head coil tap having upper and lower portions
US7057864B2 (en) * 2001-07-10 2006-06-06 Hitachi Global Storage Technologies Netherlands B.V. Method and apparatus for achieving physical connection between the flux guide and the free layer and that insulates the flux guide from the shields
JP2004265550A (ja) * 2003-03-04 2004-09-24 Fuji Photo Film Co Ltd 磁気ヘッド

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH06103525B2 (ja) * 1986-03-27 1994-12-14 日本電気株式会社 磁気抵抗効果ヘツド及びその製造方法
JPS63106910A (ja) * 1986-10-24 1988-05-12 Hitachi Ltd 薄膜磁気ヘツド
US5111352A (en) * 1987-07-29 1992-05-05 Digital Equipment Corporation Three-pole magnetic head with reduced flux leakage
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.
US5274521A (en) * 1990-08-23 1993-12-28 Sony Corporation Planar thin film magnetic head
JP3200060B2 (ja) * 1990-09-12 2001-08-20 ソニー株式会社 薄膜磁気ヘッド
US5176080A (en) * 1990-09-20 1993-01-05 Baldwin Technology Corporation Cloth supply system for blanket cylinder for use in printing presses
NL9100155A (nl) * 1991-01-30 1992-08-17 Philips Nv Magneetkop, alsmede werkwijze voor het vervaardigen van een dergelijke magneetkop.
JPH04351706A (ja) * 1991-05-30 1992-12-07 Matsushita Electric Ind Co Ltd 複合型薄膜磁気ヘッド
US5255141A (en) * 1991-12-16 1993-10-19 Read-Rite Corp. Read-write magnetic head with flux sensing read element
US5375023A (en) * 1992-12-29 1994-12-20 International Business Machines Corporation Submicron thin film inductive head with self-aligned staggered pole-tips

Also Published As

Publication number Publication date
US5764453A (en) 1998-06-09
DE69420684T2 (de) 2000-06-08
SG55177A1 (en) 1998-12-21
BE1007992A3 (nl) 1995-12-05
KR950020413A (ko) 1995-07-24
EP0658881B1 (en) 1999-09-15
EP0658881A1 (en) 1995-06-21
DE69420684D1 (de) 1999-10-21
JPH07210821A (ja) 1995-08-11

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20031208

PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)