ES275904A1 - Método de fabricación de cabezales de grabación y reproducción - Google Patents

Método de fabricación de cabezales de grabación y reproducción

Info

Publication number
ES275904A1
ES275904A1 ES275904A ES275904A ES275904A1 ES 275904 A1 ES275904 A1 ES 275904A1 ES 275904 A ES275904 A ES 275904A ES 275904 A ES275904 A ES 275904A ES 275904 A1 ES275904 A1 ES 275904A1
Authority
ES
Spain
Prior art keywords
air gap
translation
head
legally binding
google translate
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
ES275904A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES275904A1 publication Critical patent/ES275904A1/es
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/187Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/1871Shaping or contouring of the transducing or guiding surface
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/187Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/4902Electromagnet, transformer or inductor
    • Y10T29/49021Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032Fabricating head structure or component thereof
    • Y10T29/49048Machining magnetic material [e.g., grinding, etching, polishing]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/4902Electromagnet, transformer or inductor
    • Y10T29/49021Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032Fabricating head structure or component thereof
    • Y10T29/49055Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
ES275904A 1961-03-30 1962-03-28 Método de fabricación de cabezales de grabación y reproducción Expired ES275904A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL263099 1961-03-30

Publications (1)

Publication Number Publication Date
ES275904A1 true ES275904A1 (es) 1963-01-01

Family

ID=19752954

Family Applications (1)

Application Number Title Priority Date Filing Date
ES275904A Expired ES275904A1 (es) 1961-03-30 1962-03-28 Método de fabricación de cabezales de grabación y reproducción

Country Status (8)

Country Link
US (1) US3233308A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) AT242389B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH415091A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK104577C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES275904A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB996957A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL263099A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE323818C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL289671A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1963-03-01
NL8200531A (nl) * 1982-02-12 1983-09-01 Philips Nv Magneetkop met gedeeltelijk uitgeetste wikkelopening.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2933565A (en) * 1953-04-15 1960-04-19 Siemens Ag Magnetic transducers
US2915812A (en) * 1953-04-21 1959-12-08 Rca Corp Method of constructing magnetic heads
DE1031020B (de) * 1953-09-07 1958-05-29 Telefunken Gmbh Magnetisierungskopf fuer Magnettongeraete
GB852533A (en) * 1956-07-26 1960-10-26 Philips Electrical Ind Ltd Improvements relating to magnetic recording and reproducing heads
US3094772A (en) * 1956-07-26 1963-06-25 Philips Corp Method of producing magnetic heads with accurately predetermined gap heights
GB827335A (en) * 1957-07-26 1960-02-03 British Broadcasting Corp Improvements in magnetic recording and reproducing heads
US3104455A (en) * 1959-08-10 1963-09-24 Clevite Corp Method of manufacturing magnetic transducer head
US3079470A (en) * 1959-12-21 1963-02-26 Armour Res Found Magnetic transducer head

Also Published As

Publication number Publication date
AT242389B (de) 1965-09-10
SE323818C (sv) 1972-05-23
DK104577C (da) 1966-06-06
CH415091A (de) 1966-06-15
GB996957A (en) 1965-06-30
NL263099A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US3233308A (en) 1966-02-08
SE323818B (sv) 1970-05-11

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