ES470659A1 - Procedimiento de fabricacion de cabezas magneticas con en- trehierros multiples para escritura,lectura y borrado - Google Patents

Procedimiento de fabricacion de cabezas magneticas con en- trehierros multiples para escritura,lectura y borrado

Info

Publication number
ES470659A1
ES470659A1 ES470659A ES470659A ES470659A1 ES 470659 A1 ES470659 A1 ES 470659A1 ES 470659 A ES470659 A ES 470659A ES 470659 A ES470659 A ES 470659A ES 470659 A1 ES470659 A1 ES 470659A1
Authority
ES
Spain
Prior art keywords
magnetic
face
incisions
flat region
parallelepiped
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
ES470659A
Other languages
English (en)
Spanish (es)
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.)
EUROP COMPOSANTS ELECTRON
Original Assignee
EUROP COMPOSANTS ELECTRON
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 EUROP COMPOSANTS ELECTRON filed Critical EUROP COMPOSANTS ELECTRON
Publication of ES470659A1 publication Critical patent/ES470659A1/es
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
    • G11B5/1272—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
    • G11B5/1335—Assembling or shaping of elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
ES470659A 1977-06-10 1978-06-09 Procedimiento de fabricacion de cabezas magneticas con en- trehierros multiples para escritura,lectura y borrado Expired ES470659A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR777717863A FR2394138A1 (fr) 1977-06-10 1977-06-10 Procede de fabrication de tetes magnetiques a entrefers multiples pour ecriture, lecture et effacement sur supports magnetiques, et tetes obtenues par ledit procede

Publications (1)

Publication Number Publication Date
ES470659A1 true ES470659A1 (es) 1979-02-16

Family

ID=9191966

Family Applications (2)

Application Number Title Priority Date Filing Date
ES470659A Expired ES470659A1 (es) 1977-06-10 1978-06-09 Procedimiento de fabricacion de cabezas magneticas con en- trehierros multiples para escritura,lectura y borrado
ES473975A Expired ES473975A1 (es) 1977-06-10 1978-10-05 Perfeccionamientos introducidos en una cabeza magnetica mul-tiple con varios entrehierros para inscribir,leer y borrar senales de informacion en un soporte de registro

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES473975A Expired ES473975A1 (es) 1977-06-10 1978-10-05 Perfeccionamientos introducidos en una cabeza magnetica mul-tiple con varios entrehierros para inscribir,leer y borrar senales de informacion en un soporte de registro

Country Status (8)

Country Link
JP (1) JPS5439612A (fr)
BE (1) BE867931A (fr)
DE (1) DE2825448A1 (fr)
ES (2) ES470659A1 (fr)
FR (1) FR2394138A1 (fr)
GB (1) GB1593480A (fr)
IT (1) IT1105359B (fr)
SE (1) SE438567B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2508216A1 (fr) * 1981-06-19 1982-12-24 Thomson Csf Tete magnetique pour ecriture, lecture et effacement sur piste magnetique etroite, et procede de fabrication de cette tete magnetique, simple ou multipiste
WO1983002032A1 (fr) * 1981-11-24 1983-06-09 Eastman Technology Tete magnetique multipiste utilisant une structure en double helice et son procede de fabrication
US9827573B2 (en) 2014-09-11 2017-11-28 University Of Washington Electrostatic precipitator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS539734B2 (fr) * 1973-02-15 1978-04-07

Also Published As

Publication number Publication date
DE2825448A1 (de) 1978-12-21
IT7849793A0 (it) 1978-06-09
FR2394138B1 (fr) 1984-02-17
ES473975A1 (es) 1980-04-16
GB1593480A (en) 1981-07-15
IT1105359B (it) 1985-10-28
SE7806620L (sv) 1978-12-11
FR2394138A1 (fr) 1979-01-05
SE438567B (sv) 1985-04-22
BE867931A (fr) 1978-10-02
JPS5439612A (en) 1979-03-27

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971103