JP2000149219A - 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
JP2000149219A
JP2000149219A JP10322629A JP32262998A JP2000149219A JP 2000149219 A JP2000149219 A JP 2000149219A JP 10322629 A JP10322629 A JP 10322629A JP 32262998 A JP32262998 A JP 32262998A JP 2000149219 A JP2000149219 A JP 2000149219A
Authority
JP
Japan
Prior art keywords
magnetic pole
layer
magnetic
thin
pole portion
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
JP10322629A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000149219A5 (enExample
Inventor
Yoshitaka Sasaki
芳高 佐々木
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Priority to JP10322629A priority Critical patent/JP2000149219A/ja
Priority to US09/430,178 priority patent/US6456459B1/en
Publication of JP2000149219A publication Critical patent/JP2000149219A/ja
Priority to US10/218,578 priority patent/US7032295B2/en
Publication of JP2000149219A5 publication Critical patent/JP2000149219A5/ja
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
    • G11B5/313—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
    • G11B5/3109—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
    • G11B5/33—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
    • 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
    • Y10T29/4902—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
    • 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
    • Y10T29/4906—Providing winding

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP10322629A 1998-11-12 1998-11-12 薄膜磁気ヘッドおよびその製造方法 Pending JP2000149219A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP10322629A JP2000149219A (ja) 1998-11-12 1998-11-12 薄膜磁気ヘッドおよびその製造方法
US09/430,178 US6456459B1 (en) 1998-11-12 1999-10-29 Thin-film magnetic head and method of manufacturing same
US10/218,578 US7032295B2 (en) 1998-11-12 2002-08-15 Method of manufacturing a thin-film magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10322629A JP2000149219A (ja) 1998-11-12 1998-11-12 薄膜磁気ヘッドおよびその製造方法

Publications (2)

Publication Number Publication Date
JP2000149219A true JP2000149219A (ja) 2000-05-30
JP2000149219A5 JP2000149219A5 (enExample) 2005-10-20

Family

ID=18145855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10322629A Pending JP2000149219A (ja) 1998-11-12 1998-11-12 薄膜磁気ヘッドおよびその製造方法

Country Status (2)

Country Link
US (2) US6456459B1 (enExample)
JP (1) JP2000149219A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6954333B2 (en) 2000-09-11 2005-10-11 Alps Electric Co., Ltd. Thin film magnetic head having partial insulating layer formed on bottom pole layer through gap layer and method of manufacturing the same
US7190553B2 (en) 2000-04-04 2007-03-13 Alps Electric Co., Ltd. Thin-film magnetic head having lower magnetic pole layer and insulator layer behind the lower magnetic pole layer in the direction of height of the pole layer, and method for manufacturing the thin-film magnetic head

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001195707A (ja) * 2000-01-14 2001-07-19 Alps Electric Co Ltd 薄膜磁気ヘッド及びその製造方法
JP3866472B2 (ja) * 2000-01-28 2007-01-10 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
US6687096B2 (en) * 2000-06-21 2004-02-03 Tdk Corporation Thin-film magnetic head and method of manufacturing same
JP4191913B2 (ja) * 2001-07-25 2008-12-03 株式会社日立グローバルストレージテクノロジーズ 薄膜磁気ヘッド
US6757134B2 (en) * 2002-03-11 2004-06-29 Hitachi Global Storage Technologies Netherlands B.V. High density thin film inductive head structure having a planarized coil insulation structure including hard baked photoresist and a filler material
US6943993B2 (en) * 2003-02-11 2005-09-13 Western Digital (Fremont), Inc. Magnetic recording head with a side shield structure for controlling side reading of thin film read sensor
JP2005122818A (ja) * 2003-10-16 2005-05-12 Headway Technol Inc 薄膜磁気ヘッド、これを用いた磁気記録装置及びその製造方法
US7360301B2 (en) * 2003-10-20 2008-04-22 Headway Technologies, Inc. Method of manufacturing a thin film magnetic head
KR101442402B1 (ko) * 2013-03-25 2014-09-17 삼성전기주식회사 인덕터 및 그 제조 방법

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5452164A (en) * 1994-02-08 1995-09-19 International Business Machines Corporation Thin film magnetic write head
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
JPH087717A (ja) 1994-06-17 1996-01-12 Meidensha Corp 開閉装置の操作機構
TW273618B (enExample) 1994-08-25 1996-04-01 Ibm
JPH08339508A (ja) * 1995-06-14 1996-12-24 Nec Corp 薄膜磁気ヘッドおよびその製造方法ならびに磁気記憶装 置
US5703740A (en) * 1995-08-24 1997-12-30 Velocidata, Inc. Toroidal thin film head
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
JPH10334409A (ja) * 1997-05-27 1998-12-18 Tdk Corp 薄膜磁気ヘッド
JP3369444B2 (ja) * 1997-09-12 2003-01-20 ティーディーケイ株式会社 薄膜磁気ヘッド
US6163436A (en) * 1997-11-19 2000-12-19 Tdk Corporation Thin film magnet head with improved performance
US6130805A (en) * 1997-11-19 2000-10-10 Tdk Corporation Thin film magnetic head having upper pole chip formed over insulating layer
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
JPH11283215A (ja) * 1998-03-30 1999-10-15 Tdk Corp 薄膜磁気ヘッドおよびその製造方法
US6337783B1 (en) * 1998-08-12 2002-01-08 International Business Machines Corporation Write head with multi-stitched second pole piece

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7190553B2 (en) 2000-04-04 2007-03-13 Alps Electric Co., Ltd. Thin-film magnetic head having lower magnetic pole layer and insulator layer behind the lower magnetic pole layer in the direction of height of the pole layer, and method for manufacturing the thin-film magnetic head
US6954333B2 (en) 2000-09-11 2005-10-11 Alps Electric Co., Ltd. Thin film magnetic head having partial insulating layer formed on bottom pole layer through gap layer and method of manufacturing the same
US6999275B2 (en) 2000-09-11 2006-02-14 Alps Electric Co., Ltd. Thin film magnetic head having partial insulating layer formed on bottom pole layer through gap layer and method of manufacturing the same
US7073250B2 (en) 2000-09-11 2006-07-11 Alps Electric Co., Ltd. Method of manufacturing thin film magnetic head having partial insulating layer formed on bottom pole layer through gap layer

Also Published As

Publication number Publication date
US6456459B1 (en) 2002-09-24
US20020189079A1 (en) 2002-12-19
US7032295B2 (en) 2006-04-25

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