JP4006164B2 - 録再分離型薄膜ヘッド及び該ヘッドの製造方法 - Google Patents

録再分離型薄膜ヘッド及び該ヘッドの製造方法 Download PDF

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Publication number
JP4006164B2
JP4006164B2 JP2000112166A JP2000112166A JP4006164B2 JP 4006164 B2 JP4006164 B2 JP 4006164B2 JP 2000112166 A JP2000112166 A JP 2000112166A JP 2000112166 A JP2000112166 A JP 2000112166A JP 4006164 B2 JP4006164 B2 JP 4006164B2
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Japan
Prior art keywords
film
electrode
magnetic shield
recording
lower magnetic
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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
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JP2000112166A
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English (en)
Japanese (ja)
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JP2001297413A (ja
JP2001297413A5 (enExample
Inventor
清典 白木
律 今中
篤 加藤
又洋 小室
Original Assignee
株式会社日立グローバルストレージテクノロジーズ
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Priority to JP2000112166A priority Critical patent/JP4006164B2/ja
Priority to US09/740,053 priority patent/US6882507B2/en
Publication of JP2001297413A publication Critical patent/JP2001297413A/ja
Priority to US11/087,510 priority patent/US7168155B2/en
Publication of JP2001297413A5 publication Critical patent/JP2001297413A5/ja
Application granted granted Critical
Publication of JP4006164B2 publication Critical patent/JP4006164B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • G11B5/33—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
    • G11B5/3109—Details
    • G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
    • 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 
    • 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
    • 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
    • Y10T29/49043—Depositing magnetic layer or coating
    • 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
    • Y10T29/49043—Depositing magnetic layer or coating
    • Y10T29/49044—Plural magnetic deposition layers
    • 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
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49155—Manufacturing circuit on or in base
    • Y10T29/49156—Manufacturing circuit on or in base with selective destruction of conductive paths

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP2000112166A 2000-04-13 2000-04-13 録再分離型薄膜ヘッド及び該ヘッドの製造方法 Expired - Fee Related JP4006164B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2000112166A JP4006164B2 (ja) 2000-04-13 2000-04-13 録再分離型薄膜ヘッド及び該ヘッドの製造方法
US09/740,053 US6882507B2 (en) 2000-04-13 2000-12-20 Integrated thin film head with magneto-resistive sensor preventing short circuit between thin films
US11/087,510 US7168155B2 (en) 2000-04-13 2005-03-24 Method of manufacturing an integrated thin film head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000112166A JP4006164B2 (ja) 2000-04-13 2000-04-13 録再分離型薄膜ヘッド及び該ヘッドの製造方法

Publications (3)

Publication Number Publication Date
JP2001297413A JP2001297413A (ja) 2001-10-26
JP2001297413A5 JP2001297413A5 (enExample) 2006-03-30
JP4006164B2 true JP4006164B2 (ja) 2007-11-14

Family

ID=18624382

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000112166A Expired - Fee Related JP4006164B2 (ja) 2000-04-13 2000-04-13 録再分離型薄膜ヘッド及び該ヘッドの製造方法

Country Status (2)

Country Link
US (2) US6882507B2 (enExample)
JP (1) JP4006164B2 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006202393A (ja) * 2005-01-20 2006-08-03 Hitachi Global Storage Technologies Netherlands Bv 磁気ヘッド及び磁気ヘッドの製造方法
JP2006309846A (ja) * 2005-04-27 2006-11-09 Tdk Corp 薄膜磁気ヘッドおよびその製造方法、ならびに磁気記録装置
JP2007042245A (ja) * 2005-08-05 2007-02-15 Hitachi Global Storage Technologies Netherlands Bv 磁気ヘッド及びその製造方法、並びにそれを搭載した磁気記録再生装置
JP2007157250A (ja) * 2005-12-06 2007-06-21 Alps Electric Co Ltd 磁気ヘッド装置
US7768748B2 (en) * 2006-12-14 2010-08-03 Hitachi Global Storage Technologies Netherlands B.V. Magnetoresistive sensor with overlaid combined leads and shields

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3731007A (en) * 1971-04-19 1973-05-01 Denki Onkyo Co Ltd Magnetic head having a magneto-resistive bridge circuit
JPH02142195A (ja) * 1988-11-22 1990-05-31 Nec Kagoshima Ltd 薄膜配線形成方法
US5141623A (en) * 1990-02-15 1992-08-25 Seagate Technology, Inc. Method for aligning pole tips in a thin film head
JPH06333215A (ja) 1993-05-24 1994-12-02 Victor Co Of Japan Ltd 磁気抵抗効果型ヘッドの製造方法
JP2731506B2 (ja) * 1993-11-22 1998-03-25 富士通株式会社 磁気抵抗効果型磁気ヘッド及びその製造方法
US5557491A (en) * 1994-08-18 1996-09-17 International Business Machines Corporation Two terminal single stripe orthogonal MR head having biasing conductor integral with the lead layers
US5764446A (en) * 1996-05-01 1998-06-09 International Business Machines Corporation Magnetic head having an air bearing surface with short-resistant leads
JP2947172B2 (ja) * 1996-05-23 1999-09-13 ヤマハ株式会社 磁気抵抗効果型薄膜磁気ヘッド、誘導型・磁気抵抗効果型複合磁気ヘッド、磁気抵抗効果型薄膜磁気ヘッドの製造方法
JP3157770B2 (ja) * 1997-09-17 2001-04-16 アルプス電気株式会社 薄膜磁気ヘッド
JPH11238211A (ja) 1998-02-19 1999-08-31 Tdk Corp 磁気抵抗効果センサ及び該センサを備えた磁気ヘッド
US6176005B1 (en) * 1998-12-15 2001-01-23 International Business Machines Corporation Method of making read head with improved lead layers
US6219207B1 (en) * 1999-04-26 2001-04-17 International Business Machines Corporation Read sensor having high conductivity multilayer lead structure with a molybdenum layer
US6453542B1 (en) * 2000-02-28 2002-09-24 Headway Technologies, Inc. Method for fabricating balanced shield connections for noise reduction in MR/GMR read heads

Also Published As

Publication number Publication date
US6882507B2 (en) 2005-04-19
US7168155B2 (en) 2007-01-30
US20010030840A1 (en) 2001-10-18
US20050162784A1 (en) 2005-07-28
JP2001297413A (ja) 2001-10-26

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