JP2002170208A - 薄膜磁気ヘッドおよびその製造方法 - Google Patents

薄膜磁気ヘッドおよびその製造方法

Info

Publication number
JP2002170208A
JP2002170208A JP2000356397A JP2000356397A JP2002170208A JP 2002170208 A JP2002170208 A JP 2002170208A JP 2000356397 A JP2000356397 A JP 2000356397A JP 2000356397 A JP2000356397 A JP 2000356397A JP 2002170208 A JP2002170208 A JP 2002170208A
Authority
JP
Japan
Prior art keywords
film
magnetic
thin
recording medium
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.)
Pending
Application number
JP2000356397A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002170208A5 (enExample
Inventor
Naoto Matono
直人 的野
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.)
SAE Magnetics HK Ltd
Original Assignee
SAE Magnetics HK Ltd
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 SAE Magnetics HK Ltd filed Critical SAE Magnetics HK Ltd
Priority to JP2000356397A priority Critical patent/JP2002170208A/ja
Priority to US09/990,490 priority patent/US20020085310A1/en
Publication of JP2002170208A publication Critical patent/JP2002170208A/ja
Priority to US10/873,273 priority patent/US7248436B2/en
Publication of JP2002170208A5 publication Critical patent/JP2002170208A5/ja
Priority to US11/802,145 priority patent/US20070217070A1/en
Pending 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
    • G11B5/127—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
    • G11B5/127—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
    • G11B5/127—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
    • Y10T29/49043—Depositing magnetic layer or coating
    • Y10T29/49046—Depositing magnetic layer or coating with etching or machining of magnetic material

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP2000356397A 2000-11-22 2000-11-22 薄膜磁気ヘッドおよびその製造方法 Pending JP2002170208A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2000356397A JP2002170208A (ja) 2000-11-22 2000-11-22 薄膜磁気ヘッドおよびその製造方法
US09/990,490 US20020085310A1 (en) 2000-11-22 2001-11-15 Thin film magnetic head and method of manufacturing the same
US10/873,273 US7248436B2 (en) 2000-11-22 2004-06-23 Thin film magnetic head and method of manufacturing the same
US11/802,145 US20070217070A1 (en) 2000-11-22 2007-05-21 Thin film magnetic head and method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000356397A JP2002170208A (ja) 2000-11-22 2000-11-22 薄膜磁気ヘッドおよびその製造方法

Publications (2)

Publication Number Publication Date
JP2002170208A true JP2002170208A (ja) 2002-06-14
JP2002170208A5 JP2002170208A5 (enExample) 2006-03-16

Family

ID=18828656

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000356397A Pending JP2002170208A (ja) 2000-11-22 2000-11-22 薄膜磁気ヘッドおよびその製造方法

Country Status (2)

Country Link
US (3) US20020085310A1 (enExample)
JP (1) JP2002170208A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025135392A (ja) * 2024-03-05 2025-09-18 株式会社東芝 磁気ヘッド、及び、磁気記録装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002170208A (ja) * 2000-11-22 2002-06-14 Shinka Jitsugyo Kk 薄膜磁気ヘッドおよびその製造方法
JP3816509B2 (ja) * 2004-11-10 2006-08-30 Ｔｄｋ株式会社 磁気記録媒体及び磁気記録再生装置
JP2006139831A (ja) * 2004-11-10 2006-06-01 Alps Electric Co Ltd 垂直磁気記録ヘッド、およびその製造方法
US8741389B2 (en) * 2009-06-17 2014-06-03 Seagate Technology Llc Controlling thickness uniformity and interfaces in stacks

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5073836A (en) * 1989-10-05 1991-12-17 Hewlett-Packard Company Single pole write and a differential magneto-resistive read for perpendicular recording
JP2768372B2 (ja) * 1992-04-20 1998-06-25 日本電気株式会社 複合型薄膜磁気ヘッド
US5438747A (en) * 1994-03-09 1995-08-08 International Business Machines Corporation Method of making a thin film merged MR head with aligned pole tips
SG34292A1 (en) * 1994-12-30 1996-12-06 Ibm Read/write magnetoresistive (MR) head with sunken components
JP3520170B2 (ja) * 1996-04-02 2004-04-19 Ｔｄｋ株式会社 複合型薄膜磁気ヘッド
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
US5793578A (en) * 1996-11-15 1998-08-11 International Business Machines Corporation Thin film induction recording head having an inset first insulation layer that defines zero throat height and pole tip apex angle
JPH1125421A (ja) * 1997-07-04 1999-01-29 Fujitsu Ltd 磁気ヘッド
US6275360B1 (en) * 1997-09-29 2001-08-14 Hitachi, Ltd. Read-write head
JPH11232610A (ja) * 1997-12-12 1999-08-27 Tdk Corp 薄膜磁気ヘッド
US20020067570A1 (en) * 1997-12-12 2002-06-06 Yoshitaka Sasaki Thin film magnetic head recessed partially into substrate and including plantarization layersi
JP3371081B2 (ja) * 1997-12-26 2003-01-27 ティーディーケイ株式会社 複合型薄膜磁気ヘッド、複合型薄膜磁気ヘッドの製造方法および製造方法に用いる複合型薄膜磁気ヘッド用共通ユニット
JP3782228B2 (ja) * 1998-02-27 2006-06-07 Ｔｄｋ株式会社 複合型薄膜磁気ヘッドおよびその製造方法
JP3333816B2 (ja) * 1998-03-31 2002-10-15 ティーディーケイ株式会社 複合型薄膜磁気ヘッドおよびその製造方法
US6034848A (en) * 1998-04-22 2000-03-07 International Business Machines Corporation Low profile multi-layer coil merged thin film magnetic head
JP3366256B2 (ja) * 1998-07-02 2003-01-14 アルプス電気株式会社 薄膜磁気ヘッド及びその製造方法
US6337783B1 (en) * 1998-08-12 2002-01-08 International Business Machines Corporation Write head with multi-stitched second pole piece
JP3856591B2 (ja) * 1999-04-28 2006-12-13 Ｔｄｋ株式会社 薄膜磁気ヘッドおよびその製造方法
JP2001028107A (ja) * 1999-07-14 2001-01-30 Tdk Corp 薄膜磁気ヘッド、磁気ヘッド装置、磁気ディスク装置及び薄膜磁気ヘッドの製造方法
JP2001229512A (ja) * 2000-02-10 2001-08-24 Tdk Corp 薄膜磁気ヘッドおよびその製造方法
US6266888B1 (en) * 2000-03-15 2001-07-31 Thomas E. Zowaski Reaching razor
US6469875B1 (en) * 2000-03-15 2002-10-22 Headway Technologies, Inc. Stitched write head design having a sunken shared pole
JP2002170208A (ja) * 2000-11-22 2002-06-14 Shinka Jitsugyo Kk 薄膜磁気ヘッドおよびその製造方法
US7099121B2 (en) * 2002-06-06 2006-08-29 Seagate Technology Llc Perpendicular magnetic recording head having a reduced field under the return pole and minimal eddy current losses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025135392A (ja) * 2024-03-05 2025-09-18 株式会社東芝 磁気ヘッド、及び、磁気記録装置

Also Published As

Publication number Publication date
US20020085310A1 (en) 2002-07-04
US20070217070A1 (en) 2007-09-20
US20040233579A1 (en) 2004-11-25
US7248436B2 (en) 2007-07-24

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