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FR1543786A - Transducteur magnétique - Google Patents

Transducteur magnétique

Info

Publication number
FR1543786A
FR1543786A FR1543786DA FR1543786A FR 1543786 A FR1543786 A FR 1543786A FR 1543786D A FR1543786D A FR 1543786DA FR 1543786 A FR1543786 A FR 1543786A
Authority
FR
France
Prior art keywords
magnetic transducer
transducer
magnetic
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.)
Active
Application number
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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.)
Publication of FR1543786A publication Critical patent/FR1543786A/fr
Active 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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/21—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features the pole pieces being of ferrous sheet metal or other magnetic 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G11B5/11—Shielding of head against electric or magnetic fields
    • G11B5/115—Shielding devices arranged between heads or windings
    • 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
    • G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
    • 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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • 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
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
FR1543786D 1966-12-28 Transducteur magnétique Active FR1543786A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60524266A 1966-12-28 1966-12-28

Publications (1)

Publication Number Publication Date
FR1543786A true FR1543786A (fr)

Family

ID=24422828

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1543786D Active FR1543786A (fr) 1966-12-28 Transducteur magnétique

Country Status (4)

Country Link
US (1) US3479663A (fr)
DE (1) DE1524899B2 (fr)
FR (1) FR1543786A (fr)
GB (1) GB1148149A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1376522A (en) * 1972-04-15 1974-12-04 Int Computers Ltd Manufacture of magnetic transducing heads
US3806902A (en) * 1972-05-15 1974-04-23 Nortronics Co Magnetic head read-to-write gap crossfeed shielding

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807676A (en) * 1954-07-16 1957-09-24 Rca Corp Magnetic head assemblies
FR1265942A (fr) * 1960-05-25 1961-07-07 Bull Sa Machines Tête magnétique double multivoie

Also Published As

Publication number Publication date
DE1524899A1 (de) 1970-12-10
DE1524899B2 (de) 1977-01-27
US3479663A (en) 1969-11-18
GB1148149A (en) 1969-04-10

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