BE786701A - Procede de fabrication de tetes magnetiques a pistes multiples et entrefer unique - Google Patents

Procede de fabrication de tetes magnetiques a pistes multiples et entrefer unique

Info

Publication number
BE786701A
BE786701A BE786701A BE786701A BE786701A BE 786701 A BE786701 A BE 786701A BE 786701 A BE786701 A BE 786701A BE 786701 A BE786701 A BE 786701A BE 786701 A BE786701 A BE 786701A
Authority
BE
Belgium
Prior art keywords
magnetic heads
multiple tracks
manufacturing magnetic
single gap
gap
Prior art date
Application number
BE786701A
Other languages
English (en)
Inventor
R E Braun
L G Hopkins
N J Sheehan
E J Sanchez
Original Assignee
Magnetic Head 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 Magnetic Head Corp filed Critical Magnetic Head Corp
Publication of BE786701A publication Critical patent/BE786701A/fr

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
    • G11B5/29—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
    • Y10T29/49059—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic with work positioning means

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
BE786701A 1971-06-25 1972-07-25 Procede de fabrication de tetes magnetiques a pistes multiples et entrefer unique BE786701A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15680971A 1971-06-25 1971-06-25

Publications (1)

Publication Number Publication Date
BE786701A true BE786701A (fr) 1972-11-16

Family

ID=22561180

Family Applications (1)

Application Number Title Priority Date Filing Date
BE786701A BE786701A (fr) 1971-06-25 1972-07-25 Procede de fabrication de tetes magnetiques a pistes multiples et entrefer unique

Country Status (7)

Country Link
US (1) US3678576A (fr)
JP (1) JPS5213736B1 (fr)
BE (1) BE786701A (fr)
DE (1) DE2227372A1 (fr)
FR (1) FR2143016A1 (fr)
GB (1) GB1355741A (fr)
NL (1) NL7208135A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3737992A (en) * 1972-06-09 1973-06-12 Magnetic Head Corp Method of manufacturing multiple track, dual gap magnetic heads
FR2588989A1 (fr) * 1985-10-23 1987-04-24 Bull Sa Procede pour fabriquer un transducteur magnetique comportant plusieurs tetes
US6550093B1 (en) 1999-02-03 2003-04-22 Yoshihiko Shioda Golf ball cleaning device
FR3117799B1 (fr) 2020-12-18 2022-12-09 Oreal Composition comprenant des gélifiants aqueux, un tensioactif, des huiles, des charges et de l’acide ascorbique
FR3117803B1 (fr) 2020-12-18 2022-12-09 Oreal Composition comprenant des gélifiants aqueux, un tensioactif et de l’acide ascorbique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3249987A (en) * 1961-03-30 1966-05-10 Philips Corp Method of manufacturing magnetic heads
US3417465A (en) * 1964-05-19 1968-12-24 Minnesota Mining & Mfg Method of making laminated magnetic head
US3534470A (en) * 1968-01-04 1970-10-20 Ibm Process for assembling magnetic tape heads using a consumable fixture
US3475815A (en) * 1968-05-13 1969-11-04 Hewlett Packard Co Method of making an electromagnetic transducer

Also Published As

Publication number Publication date
JPS5213736B1 (fr) 1977-04-16
FR2143016A1 (fr) 1973-02-02
NL7208135A (fr) 1972-12-28
GB1355741A (en) 1974-06-05
DE2227372A1 (de) 1972-12-28
US3678576A (en) 1972-07-25

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