FR2471020B1 - Procede de fabrication d'un transducteur magnetique compose - Google Patents

Procede de fabrication d'un transducteur magnetique compose

Info

Publication number
FR2471020B1
FR2471020B1 FR8020611A FR8020611A FR2471020B1 FR 2471020 B1 FR2471020 B1 FR 2471020B1 FR 8020611 A FR8020611 A FR 8020611A FR 8020611 A FR8020611 A FR 8020611A FR 2471020 B1 FR2471020 B1 FR 2471020B1
Authority
FR
France
Prior art keywords
manufacturing
magnetic transducer
compound magnetic
compound
transducer
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
FR8020611A
Other languages
English (en)
Other versions
FR2471020A1 (fr
Inventor
Anton Marius Bucher
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.)
Iteris Inc
Original Assignee
Odetics Inc
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 Odetics Inc filed Critical Odetics Inc
Publication of FR2471020A1 publication Critical patent/FR2471020A1/fr
Application granted granted Critical
Publication of FR2471020B1 publication Critical patent/FR2471020B1/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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/255—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for protection against wear
    • 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
    • G11B5/295—Manufacture
    • 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
    • Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
    • Y10T29/49041—Fabricating head structure or component thereof including measuring or testing with significant slider/housing shaping or treating
    • 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
    • Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
    • Y10T29/49057—Using glass bonding material
    • 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
    • Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
    • Y10T29/49059—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic with work positioning means
    • 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
    • Y10T29/49066—Preformed winding
FR8020611A 1979-12-04 1980-09-25 Procede de fabrication d'un transducteur magnetique compose Expired FR2471020B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/100,045 US4594772A (en) 1979-12-04 1979-12-04 Method of manufacturing composite magnetic transducer

Publications (2)

Publication Number Publication Date
FR2471020A1 FR2471020A1 (fr) 1981-06-12
FR2471020B1 true FR2471020B1 (fr) 1986-10-17

Family

ID=22277853

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8020611A Expired FR2471020B1 (fr) 1979-12-04 1980-09-25 Procede de fabrication d'un transducteur magnetique compose

Country Status (4)

Country Link
US (1) US4594772A (fr)
DE (1) DE3035993A1 (fr)
FR (1) FR2471020B1 (fr)
GB (1) GB2063720B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527212A (en) * 1982-04-01 1985-07-02 Eastman Kodak Company Magnetic shield and multitrack magnetic head apparatus using same
US4533967A (en) * 1982-10-22 1985-08-06 Ampex Corporation Multiple leg multichannel magnetic transducer structure and method of manufacturing
EP0137051B1 (fr) * 1983-08-17 1988-03-16 Ibm Deutschland Gmbh Procédé de fabrication de corps de vol pour têtes magnétiques
US5105530A (en) * 1990-04-13 1992-04-21 Mos Robert J Method of forming high channel density magnetic head
US5490029A (en) * 1994-05-19 1996-02-06 Minnesota Mining And Manufacturing Company Compliant tape guide for data cartridges
WO1995032503A1 (fr) * 1994-05-19 1995-11-30 Minnesota Mining And Manufacturing Company Guides de ruban pour cassettes supports de donnees
US5727882A (en) * 1997-03-27 1998-03-17 Western Digital Corporation Pivot bearing assembly providing damping for unit-to-unit consistency
US7103083B2 (en) * 2004-04-23 2006-09-05 Ucar Carbon Company Inc. Optimized graphite electrode pin configuration

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3079467A (en) * 1958-07-29 1963-02-26 Rca Corp Magnetic head construction
US3242556A (en) * 1962-03-23 1966-03-29 Sperry Rand Corp Method of making a magnetic transducer head
US3316359A (en) * 1963-05-20 1967-04-25 Winston Res Corp Transducer head utilizing electro-magnetic shielding for cross-talk elimination
US3499214A (en) * 1965-10-11 1970-03-10 Bell & Howell Co Method of making stationary head for magnetic storage mediums
US3417386A (en) * 1965-10-11 1968-12-17 Cons Electrodynamics Corp Magnetic head assembly
US3417209A (en) * 1965-10-11 1968-12-17 Cons Electrodynamics Corp High frequency magnetic head
US3562442A (en) * 1968-10-04 1971-02-09 Potter Instrument Co Inc Multi-track magnetic recording heads and method of construction therefor
US3614831A (en) * 1969-09-12 1971-10-26 Sperry Rand Corp Method of making a hard-surface rotor containing magnetic transducers
GB1364863A (en) * 1971-05-26 1974-08-29 Int Computers Ltd Magnetic heads
US3807042A (en) * 1972-08-16 1974-04-30 Honeywell Inc Method of making a magnetic head structure

Also Published As

Publication number Publication date
FR2471020A1 (fr) 1981-06-12
US4594772A (en) 1986-06-17
GB2063720B (en) 1984-09-19
GB2063720A (en) 1981-06-10
DE3035993A1 (de) 1981-06-11

Similar Documents

Publication Publication Date Title
BE883527A (fr) Procede de fabrication d'une plaque de construction
BE878079A (fr) Procede de fabrication d'un element de construction
FR2324456A1 (fr) Procede de fabrication d'un stratifie utile pour confectionner des pneumatiques
BE883380A (fr) Procede de fabrication d'une structure composite
FR2525388B1 (fr) Procede de fabrication d'un circuit integre planaire
BE849751A (fr) Procede de fabrication d'un document
DE69032936D1 (de) Herstellungsverfahren für Dünnfilm-Magnetköpfe
FR2526012B1 (fr) Procede de fabrication d'un panneau feuillete
BE861052A (fr) Procede de fabrication d'un bandage de pneumatique
MC1614A1 (fr) Procede de fabrication d'un moulage decoratif
BE893187A (fr) Procede de fabrication d'une prothese
FR2528926B1 (fr) Procede de fabrication d'un mecanisme d'embrayage
BE891523A (fr) Procede de fabrication d'une plaque stratifiee
FR2321742B1 (fr) Procede de fabrication de supports d'enregistrement magnetique a couche multiple
FR2538729B1 (fr) Procede de fabrication d'un element de cremaillere
FR2471020B1 (fr) Procede de fabrication d'un transducteur magnetique compose
BE859479A (fr) Procede de fabrication d'orthoacetates d'alcoyle
FR2518327B1 (fr) Procede de fabrication d'un ensemble de culasse
FR2402270B1 (fr) Procede de fabrication d'une tete de transducteur magnetique et tete obtenue par ce procede
FR2277809A1 (fr) Procede de fabrication d'un compose dicetonique
FR2329048A1 (fr) Procede de fabrication de supports a coussins d'air pour tetes magnetiques
FR2339927A1 (fr) Procede de fabrication d'un noyau magnetique transducteur
FR2527931B1 (fr) Procede de fabrication d'un ski
BE859755A (fr) Procede de fabrication de structures de tetes magnetiques integrees
FR2352630A1 (fr) Procede de fabrication de la plaque superieure d'un plateau magnetique

Legal Events

Date Code Title Description
ST Notification of lapse