IT1038346B - Testina magnetica utilizzante un elemento sensibile ad un campo magnetico e metodo di fabbricazione della stessa - Google Patents

Testina magnetica utilizzante un elemento sensibile ad un campo magnetico e metodo di fabbricazione della stessa

Info

Publication number
IT1038346B
IT1038346B IT2360275A IT2360275A IT1038346B IT 1038346 B IT1038346 B IT 1038346B IT 2360275 A IT2360275 A IT 2360275A IT 2360275 A IT2360275 A IT 2360275A IT 1038346 B IT1038346 B IT 1038346B
Authority
IT
Italy
Prior art keywords
manufacturing
same
magnetic field
element sensitive
magnetic head
Prior art date
Application number
IT2360275A
Other languages
English (en)
Italian (it)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT1038346B publication Critical patent/IT1038346B/it

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
    • G11B5/332—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using thin films
    • 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
    • G11B5/3163—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
IT2360275A 1974-05-24 1975-05-21 Testina magnetica utilizzante un elemento sensibile ad un campo magnetico e metodo di fabbricazione della stessa IT1038346B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7406962A NL7406962A (nl) 1974-05-24 1974-05-24 Magneetkop welke gebruik maakt van een mag- neetveldgevoelig element en werkwijze voor het vervaardigen daarvan.

Publications (1)

Publication Number Publication Date
IT1038346B true IT1038346B (it) 1979-11-20

Family

ID=19821421

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2360275A IT1038346B (it) 1974-05-24 1975-05-21 Testina magnetica utilizzante un elemento sensibile ad un campo magnetico e metodo di fabbricazione della stessa

Country Status (8)

Country Link
JP (1) JPS51319A (xx)
BE (1) BE829374A (xx)
CA (1) CA1047161A (xx)
DE (1) DE2522861C3 (xx)
FR (1) FR2272460B1 (xx)
GB (1) GB1497575A (xx)
IT (1) IT1038346B (xx)
NL (1) NL7406962A (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2003647B (en) * 1977-09-02 1982-05-06 Magnex Corp Thin film magnetic recording heads
DE3204184A1 (de) * 1982-02-06 1983-08-11 Robert Bosch Gmbh, 7000 Stuttgart Duennschicht-mehrspur-magnetkopf hoher spurdichte
NL8201846A (nl) * 1982-05-06 1983-12-01 Philips Nv Sensor met een magneetveldgevoelig element en werkwijze voor het vervaardigen daarvan.
JPH0626008B2 (ja) * 1984-11-16 1994-04-06 三洋電機株式会社 磁気抵抗効果型磁気ヘツド
DE3564052D1 (en) * 1984-12-21 1988-09-01 Siemens Ag Thin-film magnetic head on a non-magnetic substrate for perpendicular magnetization
FR2671220B1 (fr) * 1990-12-27 1995-02-17 Thomson Csf Procede de fabrication de capteurs magneto-resistifs, et dispositif magnetique realise suivant un tel procede.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5229607B2 (xx) * 1972-01-01 1977-08-03

Also Published As

Publication number Publication date
FR2272460B1 (xx) 1978-09-01
CA1047161A (en) 1979-01-23
NL7406962A (nl) 1975-11-26
DE2522861C3 (de) 1978-12-21
BE829374A (fr) 1975-11-24
GB1497575A (en) 1978-01-12
DE2522861A1 (de) 1975-12-04
JPS51319A (en) 1976-01-06
DE2522861B2 (de) 1978-04-27
FR2272460A1 (xx) 1975-12-19

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