NL7509732A - Magnetoresistieve schrijf-leeskop. - Google Patents

Magnetoresistieve schrijf-leeskop.

Info

Publication number
NL7509732A
NL7509732A NL7509732A NL7509732A NL7509732A NL 7509732 A NL7509732 A NL 7509732A NL 7509732 A NL7509732 A NL 7509732A NL 7509732 A NL7509732 A NL 7509732A NL 7509732 A NL7509732 A NL 7509732A
Authority
NL
Netherlands
Prior art keywords
reading head
magnetoresistive
write
magnetoresistive write
reading
Prior art date
Application number
NL7509732A
Other languages
English (en)
Other versions
NL172894C (nl
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of NL7509732A publication Critical patent/NL7509732A/nl
Application granted granted Critical
Publication of NL172894C publication Critical patent/NL172894C/nl

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
    • 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
    • Y10T29/4906—Providing winding
    • Y10T29/49064—Providing winding by coating

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
NLAANVRAGE7509732,A 1974-08-19 1975-08-15 Magnetoresistieve schrijf-leeskop. NL172894C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US498504A US3908194A (en) 1974-08-19 1974-08-19 Integrated magnetoresistive read, inductive write, batch fabricated magnetic head

Publications (2)

Publication Number Publication Date
NL7509732A true NL7509732A (nl) 1976-02-23
NL172894C NL172894C (nl) 1983-11-01

Family

ID=23981361

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7509732,A NL172894C (nl) 1974-08-19 1975-08-15 Magnetoresistieve schrijf-leeskop.

Country Status (17)

Country Link
US (1) US3908194A (nl)
JP (2) JPS5935088B2 (nl)
BE (1) BE830432A (nl)
BR (1) BR7505283A (nl)
CA (1) CA1039849A (nl)
CH (1) CH586443A5 (nl)
DD (1) DD121849A5 (nl)
DE (1) DE2527934C2 (nl)
ES (1) ES440136A1 (nl)
FR (1) FR2282689A1 (nl)
GB (1) GB1479360A (nl)
IT (1) IT1039310B (nl)
NL (1) NL172894C (nl)
SE (1) SE408494B (nl)
SU (1) SU906396A3 (nl)
YU (1) YU201775A (nl)
ZA (1) ZA755016B (nl)

Families Citing this family (102)

* Cited by examiner, † Cited by third party
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US4052749A (en) * 1976-05-19 1977-10-04 Matsushita Electric Industrial Co., Ltd. Thin film magnetic head
US4489484A (en) * 1977-09-02 1984-12-25 Lee Fred S Method of making thin film magnetic recording heads
US4321641A (en) * 1977-09-02 1982-03-23 Magnex Corporation Thin film magnetic recording heads
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US4219853A (en) * 1978-12-21 1980-08-26 International Business Machines Corporation Read/write thin film head
US4255772A (en) * 1979-06-29 1981-03-10 International Business Machines Corporation Read/write magnetic head assembly with magnetoresistive sensor
JPS5616932A (en) * 1979-07-18 1981-02-18 Olympus Optical Co Ltd Recording and reproducing head for vertical magnetic recording and manufacture of this recording and reproducing head and recording and reproducing unit using this recording and reproducing head
JPS56169171U (nl) * 1980-05-20 1981-12-14
JPS56165922A (en) * 1980-05-23 1981-12-19 Matsushita Electric Ind Co Ltd Production of magnetic head
DE3266466D1 (en) * 1981-03-17 1985-10-31 Secr Defence Brit Thin film magneto-resistive sensors and methods for their manufacture
US4458279A (en) * 1981-03-23 1984-07-03 Magnex Corporation Thin film transducer and method of making same
JPS57189320A (en) * 1981-05-15 1982-11-20 Comput Basic Mach Technol Res Assoc Thin film magnetic head
JPS5856223A (ja) * 1981-09-29 1983-04-02 Sharp Corp 薄膜磁気ヘツド
US4972279A (en) * 1981-10-23 1990-11-20 Applied Magnetics Corporation Microminimonolithic magnetic head slider
US4823216A (en) * 1987-10-23 1989-04-18 Applied Magnetics Corporation Microminimonolithic magnetic head slider
US4520413A (en) * 1982-04-13 1985-05-28 Minnesota Mining And Manufacturing Company Integrated magnetostrictive-piezoelectric-metal oxide semiconductor magnetic playback head
US4499515A (en) * 1982-07-14 1985-02-12 Minnesota Mining And Manufacturing Company Integrated magnetostrictive-piezoresistive magnetic recording playback head
JPS5924403A (ja) * 1982-07-30 1984-02-08 Toshiba Corp 回転型磁気ヘツド装置
US4504880A (en) * 1982-08-09 1985-03-12 International Business Machines Corporation Integrated magnetic recording head assembly including an inductive write subassembly and a magnetoresistive read subassembly
US4589043A (en) * 1982-08-31 1986-05-13 Grundtner Matthias J Magnetic head having a thermoplastic or a thermosetting plastic housing
US4668526A (en) * 1982-08-31 1987-05-26 Data Recording Technology Corporation Method of making magnetic head for computers
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US4639806A (en) * 1983-09-09 1987-01-27 Sharp Kabushiki Kaisha Thin film magnetic head having a magnetized ferromagnetic film on the MR element
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JPS6349988U (nl) * 1986-09-18 1988-04-05
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JP2761223B2 (ja) * 1988-09-30 1998-06-04 株式会社日立製作所 記録再生複合ヘッド及びその製造方法
US5218497A (en) * 1988-12-02 1993-06-08 Hitachi, Ltd. Magnetic recording-reproducing apparatus and magnetoresistive head having two or more magnetoresistive films for use therewith
US5227212A (en) * 1989-03-16 1993-07-13 International Business Machines Corporation Magnetic recording disk, magnetoresistive read head, inductive write head combination
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EP0452846B1 (en) 1990-04-16 1996-02-28 Hitachi, Ltd. Narrow track thin film magnetic head and fabrication method thereof
US5390061A (en) * 1990-06-08 1995-02-14 Hitachi, Ltd. Multilayer magnetoresistance effect-type magnetic head
JPH04351706A (ja) * 1991-05-30 1992-12-07 Matsushita Electric Ind Co Ltd 複合型薄膜磁気ヘッド
US5241439A (en) * 1991-07-02 1993-08-31 U.S. Philips Corporation Combined read/write thin film magnetic head with two pairs of flux guides
US5270895A (en) * 1991-07-05 1993-12-14 U.S. Philips Corporation Combined read/write thin-film magnetic head with composite shared flux guide
US5212611A (en) * 1991-07-16 1993-05-18 Storage Technology Corporation Integral read/write recording head with dual gap dimension
US5206774A (en) * 1991-07-26 1993-04-27 Storage Technology Corporation Process for making a magneto-resistive magnetic transducer having increased sensitivity and an improved flux path and the product made thereby
JP2662334B2 (ja) * 1992-01-28 1997-10-08 ティーディーケイ株式会社 薄膜磁気ヘッド
JP3099928B2 (ja) * 1992-07-07 2000-10-16 ティーディーケイ株式会社 磁気ディスク装置
US5326429A (en) * 1992-07-21 1994-07-05 Seagate Technology, Inc. Process for making studless thin film magnetic head
US5820770A (en) * 1992-07-21 1998-10-13 Seagate Technology, Inc. Thin film magnetic head including vias formed in alumina layer and process for making the same
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JP2584179B2 (ja) * 1993-01-14 1997-02-19 インターナショナル・ビジネス・マシーンズ・コーポレイション 高透磁率Ｆｅ基合金
US5455730A (en) * 1993-02-18 1995-10-03 International Business Machines Corporation Contact magnetic recording disk file with a magnetoresistive read sensor
JPH06259729A (ja) * 1993-03-03 1994-09-16 Tdk Corp 磁気ヘッド
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JP2784457B2 (ja) * 1993-06-11 1998-08-06 インターナショナル・ビジネス・マシーンズ・コーポレイション 磁気抵抗センサ装置
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JP2854513B2 (ja) * 1993-10-21 1999-02-03 アルプス電気株式会社 複合型薄膜磁気ヘッド及びその製造方法
US5486968A (en) * 1993-11-10 1996-01-23 International Business Machines Corporation Method and apparatus for simultaneous write head planarization and lead routing
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
US5435053A (en) * 1994-03-02 1995-07-25 International Business Machines Corporation Simplified method of making merged MR head
JPH07334819A (ja) * 1994-06-07 1995-12-22 Alps Electric Co Ltd 薄膜磁気ヘッド
JPH0845030A (ja) * 1994-08-03 1996-02-16 Alps Electric Co Ltd 磁気抵抗効果型磁気ヘッド
US5539596A (en) * 1994-12-29 1996-07-23 International Business Machines Corporation Integrated suspension, actuator arm and coil assembly with common structural support layer
JPH08279117A (ja) * 1995-04-03 1996-10-22 Alps Electric Co Ltd 巨大磁気抵抗効果材料膜およびその製造方法とそれを用いた磁気ヘッド
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US5909344A (en) * 1995-11-30 1999-06-01 International Business Machines Corporation Magnetoresistive sensor with high resistivity flux guide
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
JP3420896B2 (ja) * 1996-09-10 2003-06-30 アルプス電気株式会社 薄膜磁気ヘッドおよびその製造方法
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US20060262593A1 (en) * 2004-07-27 2006-11-23 Stephane Aouba Magnetic memory composition and method of manufacture
JP2008507805A (ja) * 2004-07-27 2008-03-13 ユニバーシティー オブ トロント 調整可能な磁気スイッチ
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Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS421011Y1 (nl) * 1966-08-22 1967-01-20
DE1952402A1 (de) * 1969-10-17 1971-04-22 Philips Patentverwaltung Magnetkopf
BE758053A (fr) * 1969-10-28 1971-04-01 Commissariat Energie Atomique Tete magnetique integree et procede de fabrication de ladite tete
GB1272044A (en) * 1971-02-22 1972-04-26 Mullard Ltd Improvements in or relating to magnetoresistive readout transducers
US3787964A (en) * 1971-12-23 1974-01-29 Ibm Method for manufacturing a magnetic head
FR2191186B1 (nl) * 1972-07-03 1976-01-16 Inf Ci Interna Fr
US3814863A (en) * 1972-10-11 1974-06-04 Ibm Internally biased magnetoresistive magnetic transducer
US3813692A (en) * 1972-10-11 1974-05-28 Ibm Internally biased magnetoresistive magnetic transducer
US3840898A (en) * 1972-12-29 1974-10-08 Ibm Self-biased magnetoresistive sensor

Also Published As

Publication number Publication date
JPS5935088B2 (ja) 1984-08-27
CH586443A5 (nl) 1977-03-31
YU201775A (en) 1982-02-28
DE2527934A1 (de) 1976-03-04
SU906396A3 (ru) 1982-02-15
GB1479360A (en) 1977-07-13
AU8408975A (en) 1977-02-24
SE408494B (sv) 1979-06-11
JPS5144917A (nl) 1976-04-16
US3908194A (en) 1975-09-23
FR2282689B1 (nl) 1977-07-22
BE830432A (fr) 1975-10-16
ES440136A1 (es) 1977-06-01
IT1039310B (it) 1979-12-10
SE7508178L (sv) 1976-02-20
ZA755016B (en) 1977-03-30
DD121849A5 (nl) 1976-08-20
FR2282689A1 (fr) 1976-03-19
BR7505283A (pt) 1976-08-03
CA1039849A (en) 1978-10-03
JPS5525886A (en) 1980-02-23
DE2527934C2 (de) 1983-03-31
NL172894C (nl) 1983-11-01

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V1 Lapsed because of non-payment of the annual fee