IT967901B - Testina per la registrazione e la lettura di informazioni su e da un mezzo magnetico - Google Patents

Testina per la registrazione e la lettura di informazioni su e da un mezzo magnetico

Info

Publication number
IT967901B
IT967901B IT2972072A IT2972072A IT967901B IT 967901 B IT967901 B IT 967901B IT 2972072 A IT2972072 A IT 2972072A IT 2972072 A IT2972072 A IT 2972072A IT 967901 B IT967901 B IT 967901B
Authority
IT
Italy
Prior art keywords
recording
head
magnetic media
reading information
reading
Prior art date
Application number
IT2972072A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT967901B publication Critical patent/IT967901B/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
    • G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
    • G11B5/3916—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide
    • G11B5/3919—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path
    • G11B5/3922—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path the read-out elements being disposed in magnetic shunt relative to at least two parts of the flux guide structure
    • G11B5/3925—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path the read-out elements being disposed in magnetic shunt relative to at least two parts of the flux guide structure the two parts being thin films
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/02—Dosimeters
    • G01T1/10—Luminescent dosimeters
    • G01T1/11—Thermo-luminescent dosimeters
    • G01T1/115—Read-out devices
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Heads (AREA)
IT2972072A 1971-12-27 1972-09-27 Testina per la registrazione e la lettura di informazioni su e da un mezzo magnetico IT967901B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21259171A 1971-12-27 1971-12-27

Publications (1)

Publication Number Publication Date
IT967901B true IT967901B (it) 1974-03-11

Family

ID=22791669

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2972072A IT967901B (it) 1971-12-27 1972-09-27 Testina per la registrazione e la lettura di informazioni su e da un mezzo magnetico

Country Status (12)

Country Link
JP (1) JPS5325488B2 (da)
AU (1) AU466336B2 (da)
BE (1) BE792917A (da)
CA (1) CA1014657A (da)
CH (1) CH557073A (da)
DK (1) DK132595C (da)
ES (1) ES408374A1 (da)
FR (1) FR2165974B1 (da)
GB (1) GB1368908A (da)
IT (1) IT967901B (da)
NL (1) NL7217350A (da)
SE (1) SE382512B (da)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813692A (en) * 1972-10-11 1974-05-28 Ibm Internally biased magnetoresistive magnetic transducer
US3887945A (en) * 1973-12-12 1975-06-03 Ibm Head assembly for recording and reading, employing inductive and magnetoresistive elements
JPS5110918A (ja) * 1974-07-17 1976-01-28 Matsushita Electric Ind Co Ltd Jikihetsudo
JPS5123125A (ja) * 1974-08-20 1976-02-24 Matsushita Electric Ind Co Ltd Jikihetsudo
JPS5821326B2 (ja) * 1974-08-20 1983-04-28 松下電器産業株式会社 ジキヘツド
JPS5846766B2 (ja) * 1974-08-22 1983-10-18 日本電気株式会社 シユウセキヘツド
JPS5165923A (ja) * 1974-12-04 1976-06-08 Matsushita Electric Ind Co Ltd Jikihetsudo
JPS5165925A (ja) * 1974-12-04 1976-06-08 Matsushita Electric Ind Co Ltd Jikihetsudo
US3975772A (en) * 1975-06-02 1976-08-17 International Business Machines Corporation Double shielded magnetorestive sensing element
JPS5261305A (en) * 1975-11-17 1977-05-20 Nittoku Kensetsu Kk Method of and apparatus for sinking casttin place concrete pile
US4206958A (en) * 1978-03-27 1980-06-10 The Bendix Corporation Electrical conductor having an integral electrical contact
FR2455330A1 (fr) * 1979-04-25 1980-11-21 Cii Honeywell Bull Dispositif magnetique de transduction a magnetoresistances
EP0053343A1 (en) * 1980-11-28 1982-06-09 Hitachi, Ltd. Reproducing and amplifying circuit for magnetoresistive head
US4435634A (en) * 1982-12-22 1984-03-06 International Business Machines Corporation Thermal printer edge compensation
GB2143071B (en) * 1983-07-09 1987-10-28 Magnetic Components Limited Magnetoresistive transducers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB900652A (en) * 1957-11-06 1962-07-11 Emi Ltd Improvements in or relating to magnetic transducing heads
US3274575A (en) * 1963-08-01 1966-09-20 Koster Heinz Adolf De Transducer having a magneto-resistive bridge circuit
US3493694A (en) * 1966-01-19 1970-02-03 Ampex Magnetoresistive head

Also Published As

Publication number Publication date
JPS5325488B2 (da) 1978-07-27
AU5041172A (en) 1974-06-27
ES408374A1 (es) 1976-01-16
CH557073A (de) 1974-12-13
DK132595C (da) 1976-05-31
NL7217350A (da) 1973-06-29
BE792917A (fr) 1973-04-16
FR2165974A1 (da) 1973-08-10
AU466336B2 (en) 1974-06-27
SE382512B (sv) 1976-02-02
FR2165974B1 (da) 1976-08-27
DE2262659B2 (de) 1975-10-23
GB1368908A (en) 1974-10-02
JPS4877818A (da) 1973-10-19
DE2262659A1 (de) 1973-07-12
CA1014657A (en) 1977-07-26
DK132595B (da) 1976-01-05

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