SE409521B - Forfarande for framstellning av ett magnethuvud - Google Patents

Forfarande for framstellning av ett magnethuvud

Info

Publication number
SE409521B
SE409521B SE7509914A SE7509914A SE409521B SE 409521 B SE409521 B SE 409521B SE 7509914 A SE7509914 A SE 7509914A SE 7509914 A SE7509914 A SE 7509914A SE 409521 B SE409521 B SE 409521B
Authority
SE
Sweden
Prior art keywords
procedure
making
magnetic head
magnetic
head
Prior art date
Application number
SE7509914A
Other languages
English (en)
Swedish (sv)
Other versions
SE7509914L (sv
Inventor
A Morell
J Nicolas
Original Assignee
Thomson Csf
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 Thomson Csf filed Critical Thomson Csf
Publication of SE7509914L publication Critical patent/SE7509914L/xx
Publication of SE409521B publication Critical patent/SE409521B/xx

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
    • G11B5/23—Gap features
    • G11B5/235—Selection of material for gap filler
    • 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
    • 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
    • Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Heads (AREA)
SE7509914A 1974-09-06 1975-09-05 Forfarande for framstellning av ett magnethuvud SE409521B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7430336A FR2284159A1 (fr) 1974-09-06 1974-09-06 Methode de fabrication de tetes magnetiques de lecture, d'ecriture et d'effacement pour memoires a support defilant, et tete obtenue par ladite methode

Publications (2)

Publication Number Publication Date
SE7509914L SE7509914L (sv) 1976-03-08
SE409521B true SE409521B (sv) 1979-08-20

Family

ID=9142853

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7509914A SE409521B (sv) 1974-09-06 1975-09-05 Forfarande for framstellning av ett magnethuvud

Country Status (7)

Country Link
US (1) US4017966A (enExample)
JP (1) JPS5153814A (enExample)
DE (1) DE2539237C2 (enExample)
FR (1) FR2284159A1 (enExample)
GB (1) GB1512717A (enExample)
NL (1) NL174773C (enExample)
SE (1) SE409521B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362465A1 (fr) * 1976-08-16 1978-03-17 Matsushita Electric Industrial Co Ltd Tete magnetique et procede pour sa fabrication
JPS61133007A (ja) * 1984-12-01 1986-06-20 Victor Co Of Japan Ltd 磁気ヘツド

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145452A (en) * 1958-03-24 1964-08-25 Iit Res Inst Method of making a magnetic head
US3188400A (en) * 1961-01-09 1965-06-08 Ampex Ferrite coating
US3411202A (en) * 1964-06-25 1968-11-19 Ibm Method of manufacturing recording heads
US3639701A (en) * 1970-07-02 1972-02-01 Ibm Magnetic recording head having a nonmagnetic ferrite gap

Also Published As

Publication number Publication date
JPS5153814A (enExample) 1976-05-12
NL7510386A (nl) 1976-03-09
NL174773B (nl) 1984-03-01
FR2284159A1 (fr) 1976-04-02
GB1512717A (en) 1978-06-01
NL174773C (nl) 1984-08-01
FR2284159B1 (enExample) 1979-06-01
US4017966A (en) 1977-04-19
DE2539237C2 (de) 1981-09-17
SE7509914L (sv) 1976-03-08
DE2539237A1 (de) 1976-03-18

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