DK112884B - Fremgangsmåde til fremstilling af nyttespalter med nøjagtig samme længde over hele bredden mellem to kredsdele i et magnethoved. - Google Patents

Fremgangsmåde til fremstilling af nyttespalter med nøjagtig samme længde over hele bredden mellem to kredsdele i et magnethoved.

Info

Publication number
DK112884B
DK112884B DK665865AA DK665865A DK112884B DK 112884 B DK112884 B DK 112884B DK 665865A A DK665865A A DK 665865AA DK 665865 A DK665865 A DK 665865A DK 112884 B DK112884 B DK 112884B
Authority
DK
Denmark
Prior art keywords
slits
exactly
magnetic head
same length
entire width
Prior art date
Application number
DK665865AA
Other languages
Danish (da)
English (en)
Inventor
J Koorneef
J Beun
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
Publication of DK112884B publication Critical patent/DK112884B/da

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • 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
    • G11B5/187—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
    • 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
    • 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
    • Y10T29/49826—Assembling or joining
    • Y10T29/49895—Associating parts by use of aligning means [e.g., use of a drift pin or a "fixture"]

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Heads (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
DK665865AA 1964-12-31 1965-12-28 Fremgangsmåde til fremstilling af nyttespalter med nøjagtig samme længde over hele bredden mellem to kredsdele i et magnethoved. DK112884B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL646415293A NL144749B (nl) 1964-12-31 1964-12-31 Werkwijze voor het vervaardigen van een magneetkop en magneetkop vervaardigd onder toepassing van deze werkwijze.

Publications (1)

Publication Number Publication Date
DK112884B true DK112884B (da) 1969-01-27

Family

ID=19791773

Family Applications (1)

Application Number Title Priority Date Filing Date
DK665865AA DK112884B (da) 1964-12-31 1965-12-28 Fremgangsmåde til fremstilling af nyttespalter med nøjagtig samme længde over hele bredden mellem to kredsdele i et magnethoved.

Country Status (9)

Country Link
US (1) US3395450A (de)
AT (1) AT264868B (de)
BE (1) BE674487A (de)
DE (1) DE1474429C3 (de)
DK (1) DK112884B (de)
ES (1) ES321251A1 (de)
FR (1) FR1462133A (de)
GB (1) GB1093115A (de)
NL (1) NL144749B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943624A (en) * 1975-01-24 1976-03-16 U. S. Philips Corporation Method of manufacturing a magnetic head
US4182643A (en) * 1977-07-05 1980-01-08 Control Data Corporation Method of forming gaps in magnetic heads

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
NL278197A (de) * 1962-05-08
NL145078B (nl) * 1963-03-05 1975-02-17 Philips Nv Werkwijze voor het vervaardigen van voorstukken voor magnegrafoonkoppen.
DE1167892B (de) * 1963-08-23 1964-04-16 Telefunken Patent Aus zwei Haelften zusammengesetzter Mehrspurmagnetkopf
US3340518A (en) * 1963-12-23 1967-09-05 Ibm Magnetic head structure

Also Published As

Publication number Publication date
GB1093115A (en) 1967-11-29
NL144749B (nl) 1975-01-15
NL6415293A (de) 1966-07-04
ES321251A1 (es) 1966-11-01
DE1474429C3 (de) 1975-11-27
US3395450A (en) 1968-08-06
AT264868B (de) 1968-09-25
DE1474429B2 (de) 1975-04-03
BE674487A (de) 1966-06-29
FR1462133A (fr) 1966-12-09
DE1474429A1 (de) 1969-07-10

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