FR2553220B1 - Tete magnetique multipiste perfectionnee et procede de fabrication - Google Patents

Tete magnetique multipiste perfectionnee et procede de fabrication

Info

Publication number
FR2553220B1
FR2553220B1 FR8315967A FR8315967A FR2553220B1 FR 2553220 B1 FR2553220 B1 FR 2553220B1 FR 8315967 A FR8315967 A FR 8315967A FR 8315967 A FR8315967 A FR 8315967A FR 2553220 B1 FR2553220 B1 FR 2553220B1
Authority
FR
France
Prior art keywords
manufacturing
magnetic head
improved multi
track magnetic
track
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
FR8315967A
Other languages
English (en)
Other versions
FR2553220A1 (fr
Inventor
Philippe Badaroux
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.)
Safran Data Systems SAS
Original Assignee
Enertec SA
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 Enertec SA filed Critical Enertec SA
Priority to FR8315967A priority Critical patent/FR2553220B1/fr
Publication of FR2553220A1 publication Critical patent/FR2553220A1/fr
Application granted granted Critical
Publication of FR2553220B1 publication Critical patent/FR2553220B1/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
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
    • G11B5/295—Manufacture
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
FR8315967A 1983-10-07 1983-10-07 Tete magnetique multipiste perfectionnee et procede de fabrication Expired FR2553220B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8315967A FR2553220B1 (fr) 1983-10-07 1983-10-07 Tete magnetique multipiste perfectionnee et procede de fabrication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8315967A FR2553220B1 (fr) 1983-10-07 1983-10-07 Tete magnetique multipiste perfectionnee et procede de fabrication

Publications (2)

Publication Number Publication Date
FR2553220A1 FR2553220A1 (fr) 1985-04-12
FR2553220B1 true FR2553220B1 (fr) 1985-12-13

Family

ID=9292916

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8315967A Expired FR2553220B1 (fr) 1983-10-07 1983-10-07 Tete magnetique multipiste perfectionnee et procede de fabrication

Country Status (1)

Country Link
FR (1) FR2553220B1 (fr)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL191225A (fr) * 1953-10-09
US2991511A (en) * 1955-12-20 1961-07-11 Clevite Corp Method of making multichannel magnetic transducer heads
DE1136128B (de) * 1960-11-26 1962-09-06 Telefunken Patent Mehrspurmagnetkopf
AT241150B (de) * 1963-03-06 1965-07-12 Philips Nv Verfahren zur Herstellung eines Mehrspurmagnetkopfes und Gehäusehälfte für denselben
US3383667A (en) * 1965-01-04 1968-05-14 Sperry Rand Corp Magnetic head spacing apparatus
BE758238A (fr) * 1969-10-31 1971-04-01 Akai Electric Tete de transducteur magnetique
US3737993A (en) * 1970-11-27 1973-06-12 Matsushita Electric Ind Co Ltd Method of making a multi-channel magnetic head
NL7103549A (fr) * 1971-03-17 1972-09-19
US3999286A (en) * 1975-06-11 1976-12-28 Minnesota Mining And Manufacturing Company Method of making multitrack heads
US4227225A (en) * 1977-05-12 1980-10-07 Matsushita Electric Industrial Co., Ltd. Magnetic head assembly
SU705511A1 (ru) * 1977-07-21 1979-12-25 Предприятие П/Я А-3759 Блок ферритовых магнитных головок
SU741313A1 (ru) * 1978-07-06 1980-06-15 Предприятие П/Я А-3759 Многодорожечный блок ферритовых магнитных головок
JPS57135423A (en) * 1981-02-16 1982-08-21 Akai Electric Co Ltd Manufacture of magnetic head

Also Published As

Publication number Publication date
FR2553220A1 (fr) 1985-04-12

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Legal Events

Date Code Title Description
ST Notification of lapse