FR1319830A - Tête transductrice magnétique et son procédé de fabrication - Google Patents

Tête transductrice magnétique et son procédé de fabrication

Info

Publication number
FR1319830A
FR1319830A FR894562A FR894562A FR1319830A FR 1319830 A FR1319830 A FR 1319830A FR 894562 A FR894562 A FR 894562A FR 894562 A FR894562 A FR 894562A FR 1319830 A FR1319830 A FR 1319830A
Authority
FR
France
Prior art keywords
manufacturing process
transducer head
magnetic transducer
magnetic
head
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
Application number
FR894562A
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.)
Ampex Corp
Original Assignee
Ampex 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.)
Filing date
Publication date
Application filed by Ampex Corp filed Critical Ampex Corp
Application granted granted Critical
Publication of FR1319830A publication Critical patent/FR1319830A/fr
Expired 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
    • G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
    • G11B5/1335—Assembling or shaping of elements
    • 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
    • G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53—Disposition or mounting of heads on rotating support
FR894562A 1961-04-17 1962-04-16 Tête transductrice magnétique et son procédé de fabrication Expired FR1319830A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US103424A US3258542A (en) 1961-04-17 1961-04-17 Wedge-shaped magnetic transducer

Publications (1)

Publication Number Publication Date
FR1319830A true FR1319830A (fr) 1963-03-01

Family

ID=22295102

Family Applications (1)

Application Number Title Priority Date Filing Date
FR894562A Expired FR1319830A (fr) 1961-04-17 1962-04-16 Tête transductrice magnétique et son procédé de fabrication

Country Status (4)

Country Link
US (1) US3258542A (fr)
FR (1) FR1319830A (fr)
GB (1) GB951900A (fr)
NL (1) NL277285A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL123062C (fr) * 1962-05-04
US3369292A (en) * 1962-11-23 1968-02-20 North American Phillips Compan Method of forming glass bonded heads
US3353261A (en) * 1964-12-30 1967-11-21 Ibm Method of making a multitrack magnetic transducer head
US3629519A (en) * 1967-05-23 1971-12-21 Rca Corp Magnetic heads with poles joined by molecular transport bonding
US3912483A (en) * 1968-09-25 1975-10-14 Matsushita Electric Ind Co Ltd Method of making a magnetic head
US3989736A (en) * 1973-01-08 1976-11-02 Pfizer Inc. Prostaglandin 5-indanyl esters
DE2832731A1 (de) * 1978-07-26 1980-02-07 Vacuumschmelze Gmbh Magnetkern aus einer weichmagnetischen amorphen legierung
US4325093A (en) * 1979-06-04 1982-04-13 Texas Instruments Incorporated Magnetic head transducer having enhanced signal output and manufacturing method therefor

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124661A (en) * 1964-03-10 figure
US2674031A (en) * 1951-11-02 1954-04-06 Bell Telephone Labor Inc Method of making electromagnetic transducers
US2674659A (en) * 1951-11-02 1954-04-06 Bell Telephone Labor Inc Magnetic head and method of making same
US2677019A (en) * 1951-12-22 1954-04-27 Bell Telephone Labor Inc Magnetic head and method of making same
US2676392A (en) * 1951-12-22 1954-04-27 Bell Telephone Labor Inc Method of making filamentary electromagnetic transducers
US2886650A (en) * 1952-10-22 1959-05-12 Univ Illinois Recording device
IT514346A (fr) * 1953-03-20
US2897267A (en) * 1953-05-08 1959-07-28 David C Prince Recording and translating of intelligence
US3026379A (en) * 1958-08-13 1962-03-20 Ex Cell O Corp Electromagnetic transducer
DE1102803B (de) * 1958-10-20 1961-03-23 Siemens Ag Einrichtung zur magnetischen Speicherung von Fernsehsignalen
US3079470A (en) * 1959-12-21 1963-02-26 Armour Res Found Magnetic transducer head

Also Published As

Publication number Publication date
GB951900A (en) 1964-03-11
US3258542A (en) 1966-06-28
NL277285A (fr)

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