DK108219C - Fremgangsmåde til fremstilling af dele af ringformede magnethoveder. - Google Patents

Fremgangsmåde til fremstilling af dele af ringformede magnethoveder.

Info

Publication number
DK108219C
DK108219C DK205263AA DK205263A DK108219C DK 108219 C DK108219 C DK 108219C DK 205263A A DK205263A A DK 205263AA DK 205263 A DK205263 A DK 205263A DK 108219 C DK108219 C DK 108219C
Authority
DK
Denmark
Prior art keywords
magnetic heads
annular magnetic
manufacturing parts
manufacturing
parts
Prior art date
Application number
DK205263AA
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of DK108219C publication Critical patent/DK108219C/da

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
    • G11B5/232—Manufacture of gap
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S228/00—Metal fusion bonding
    • Y10S228/903—Metal to nonmetal
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DK205263AA 1962-05-04 1963-05-01 Fremgangsmåde til fremstilling af dele af ringformede magnethoveder. DK108219C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL278093 1962-05-04

Publications (1)

Publication Number Publication Date
DK108219C true DK108219C (da) 1967-10-16

Family

ID=19753803

Family Applications (1)

Application Number Title Priority Date Filing Date
DK205263AA DK108219C (da) 1962-05-04 1963-05-01 Fremgangsmåde til fremstilling af dele af ringformede magnethoveder.

Country Status (6)

Country Link
US (1) US3375575A (da)
AT (1) AT255790B (da)
CH (1) CH412378A (da)
DK (1) DK108219C (da)
GB (1) GB1036897A (da)
NL (2) NL278093A (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1227704A (da) * 1968-03-15 1971-04-07
US3688056A (en) * 1970-05-21 1972-08-29 Honeywell Inc Magnetic transducer heads
US3737065A (en) * 1971-04-28 1973-06-05 Zenith Radio Corp Envelope for, and method of processing, a color cathode-ray tube
JPS5427132B2 (da) * 1974-02-21 1979-09-07
US4106173A (en) * 1975-06-13 1978-08-15 Olympus Optical Co., Ltd. Method of manufacturing magnetic heads
JPS5217808A (en) * 1975-07-31 1977-02-10 Olympus Optical Co Ltd Manufacturing method of magnetic head
US4173065A (en) * 1977-03-16 1979-11-06 Olympus Optical Co., Ltd. Method of manufacturing a magnetic head
NL8003518A (nl) * 1980-06-18 1982-01-18 Philips Nv Magneetkop, werkwijze voor het vervaardigen van een magneetkop.
JPS59203213A (ja) * 1983-05-04 1984-11-17 Sumitomo Special Metals Co Ltd 溝構造磁性基板の製造方法
DE3626307A1 (de) * 1986-08-02 1988-02-11 Grundig Emv Verfahren zur befestigung eines video-magnetkopfes

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2346555A (en) * 1937-10-09 1944-04-11 Weston Electrical Instr Corp Method of producing magnetic structures
NL66936C (da) * 1946-03-04
US2707694A (en) * 1950-10-19 1955-05-03 Standring Joseph Robert Method of adhesively joining metal, wood and plastic parts
US2728054A (en) * 1951-09-20 1955-12-20 Steatite Res Corp Ferromagnetic ceramic inductance core
US3094772A (en) * 1956-07-26 1963-06-25 Philips Corp Method of producing magnetic heads with accurately predetermined gap heights
US3117367A (en) * 1958-07-03 1964-01-14 Philips Corp Method of manufactuirng a magnetic head having a glass spacer
NL243050A (da) * 1959-09-05
US3079470A (en) * 1959-12-21 1963-02-26 Armour Res Found Magnetic transducer head
NL277285A (da) * 1961-04-17

Also Published As

Publication number Publication date
NL278093A (da)
AT255790B (de) 1967-07-25
CH412378A (de) 1966-04-30
US3375575A (en) 1968-04-02
GB1036897A (en) 1966-07-20
NL123062C (da)

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