JP3946404B2 - 磁気抵抗効果型ヘッド及びそれを用いた磁気記録再生装置 - Google Patents

磁気抵抗効果型ヘッド及びそれを用いた磁気記録再生装置 Download PDF

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Publication number
JP3946404B2
JP3946404B2 JP2000069622A JP2000069622A JP3946404B2 JP 3946404 B2 JP3946404 B2 JP 3946404B2 JP 2000069622 A JP2000069622 A JP 2000069622A JP 2000069622 A JP2000069622 A JP 2000069622A JP 3946404 B2 JP3946404 B2 JP 3946404B2
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JP
Japan
Prior art keywords
film
head
magnetic
magnetoresistive
insulating film
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.)
Expired - Fee Related
Application number
JP2000069622A
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English (en)
Japanese (ja)
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JP2001256619A (ja
JP2001256619A5 (enExample
Inventor
佳弘 濱川
城康 尾臺
勝美 星野
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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Application filed by 株式会社日立グローバルストレージテクノロジーズ filed Critical 株式会社日立グローバルストレージテクノロジーズ
Priority to JP2000069622A priority Critical patent/JP3946404B2/ja
Priority to US09/662,643 priority patent/US6515837B1/en
Publication of JP2001256619A publication Critical patent/JP2001256619A/ja
Publication of JP2001256619A5 publication Critical patent/JP2001256619A5/ja
Application granted granted Critical
Publication of JP3946404B2 publication Critical patent/JP3946404B2/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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • 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
    • G11B5/3133—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/313—Disposition of layers
    • G11B5/3143—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding
    • G11B5/3146—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Thin Magnetic Films (AREA)
  • Hall/Mr Elements (AREA)
JP2000069622A 2000-03-14 2000-03-14 磁気抵抗効果型ヘッド及びそれを用いた磁気記録再生装置 Expired - Fee Related JP3946404B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000069622A JP3946404B2 (ja) 2000-03-14 2000-03-14 磁気抵抗効果型ヘッド及びそれを用いた磁気記録再生装置
US09/662,643 US6515837B1 (en) 2000-03-14 2000-09-15 Magnetoresistive head and magnetic storage apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000069622A JP3946404B2 (ja) 2000-03-14 2000-03-14 磁気抵抗効果型ヘッド及びそれを用いた磁気記録再生装置

Publications (3)

Publication Number Publication Date
JP2001256619A JP2001256619A (ja) 2001-09-21
JP2001256619A5 JP2001256619A5 (enExample) 2005-04-21
JP3946404B2 true JP3946404B2 (ja) 2007-07-18

Family

ID=18588469

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000069622A Expired - Fee Related JP3946404B2 (ja) 2000-03-14 2000-03-14 磁気抵抗効果型ヘッド及びそれを用いた磁気記録再生装置

Country Status (2)

Country Link
US (1) US6515837B1 (enExample)
JP (1) JP3946404B2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001273611A (ja) * 2000-03-28 2001-10-05 Alps Electric Co Ltd 薄膜磁気ヘッド
JP3659898B2 (ja) * 2000-11-27 2005-06-15 Ｔｄｋ株式会社 薄膜磁気ヘッドおよびその製造方法
US6816345B1 (en) * 2001-09-24 2004-11-09 Western Digital (Fremont), Inc. Magnetoresistive sensors having submicron track widths and method of making
US6735058B2 (en) * 2002-02-04 2004-05-11 International Business Machines Corporation Current-perpendicular-to-plane read head with an amorphous magnetic bottom shield layer and an amorphous nonmagnetic bottom lead layer
US6995957B2 (en) 2003-03-18 2006-02-07 Hitachi Global Storage Technologies Netherland B.V. Magnetoresistive sensor having a high resistance soft magnetic layer between sensor stack and shield
JP4705478B2 (ja) * 2006-01-19 2011-06-22 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ 磁気ヘッド
JP2007242786A (ja) * 2006-03-07 2007-09-20 Tdk Corp Ｃｐｐ型磁気抵抗効果素子
JP2008004161A (ja) * 2006-06-22 2008-01-10 Fujitsu Ltd 金属パターンの製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61258323A (ja) * 1985-05-10 1986-11-15 Nec Corp 磁気抵抗効果ヘツド
US4783711A (en) * 1985-07-12 1988-11-08 Hitachi, Ltd. Magnetoresistive sensor having magnetic shields of ferrite
JP3294742B2 (ja) * 1995-09-25 2002-06-24 株式会社日立製作所 磁気抵抗効果型ヘッド
JPH10188222A (ja) * 1996-12-20 1998-07-21 Read Rite S M I Kk 複合型薄膜磁気ヘッド
US6275360B1 (en) * 1997-09-29 2001-08-14 Hitachi, Ltd. Read-write head

Also Published As

Publication number Publication date
JP2001256619A (ja) 2001-09-21
US6515837B1 (en) 2003-02-04

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