NL245779A - - Google Patents

Info

Publication number
NL245779A
NL245779A NL245779DA NL245779A NL 245779 A NL245779 A NL 245779A NL 245779D A NL245779D A NL 245779DA NL 245779 A NL245779 A NL 245779A
Authority
NL
Netherlands
Application number
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.)
Publication of NL245779A publication Critical patent/NL245779A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/24Vacuum evaporation
    • 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
    • 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
    • G11B5/1278Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • 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
    • 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
    • G11B5/31Structure or manufacture of heads, e.g. inductive using thin films

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Magnetic Heads (AREA)
  • Thin Magnetic Films (AREA)
NL245779D 1958-12-08 NL245779A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US778866A US3120001A (en) 1958-12-08 1958-12-08 Magnetic transducer

Publications (1)

Publication Number Publication Date
NL245779A true NL245779A (de)

Family

ID=27119517

Family Applications (1)

Application Number Title Priority Date Filing Date
NL245779D NL245779A (de) 1958-12-08

Country Status (5)

Country Link
US (1) US3120001A (de)
CH (1) CH377881A (de)
FR (1) FR1242146A (de)
GB (1) GB884261A (de)
NL (1) NL245779A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344237A (en) * 1967-09-26 Desposited film transducing apparatus and method op producing the apparatus
US3224074A (en) * 1960-06-24 1965-12-21 Sylvania Electric Prod Method of making a magnetic recording head structure
NL297787A (de) * 1962-09-24
US3315242A (en) * 1963-04-24 1967-04-18 Ibm Modulation and transfer of information achieved by speed differential
US3341854A (en) * 1963-04-24 1967-09-12 Ibm Modulating magnetic record transfer means
JPS6022406B2 (ja) * 1979-12-13 1985-06-01 富士通株式会社 垂直磁気記録再生用ヘッド
US4748525A (en) * 1986-02-14 1988-05-31 Magnetic Peripherals Inc. Probe head for vertical recording

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2749609A (en) * 1950-02-14 1956-06-12 Carnegie Illinois Steel Corp Method of forming hollow metal articles
DE844674C (de) * 1950-10-19 1952-07-24 Lois Leitner Magnetkopf fuer Magnettongeraete
US2804506A (en) * 1951-10-31 1957-08-27 Edward C Schurch Dynamagnetic pick-up system
US2674659A (en) * 1951-11-02 1954-04-06 Bell Telephone Labor Inc Magnetic head and method of making same
US2796359A (en) * 1952-07-05 1957-06-18 Audio Devices Inc Production of magnetic sound recording tape
US2891236A (en) * 1953-05-25 1959-06-16 Burroughs Corp Electromagnetic transducer
NL179879B (nl) * 1953-07-15 Voest Alpine Ag Zeef voor het uit een suspensie afscheiden van vaste stoffen.
US2941045A (en) * 1954-01-29 1960-06-14 Lawrence H Connell Magnetic recording
US2947592A (en) * 1955-08-25 1960-08-02 Sperry Rand Corp High frequency magnetic transducers
US2881518A (en) * 1956-11-23 1959-04-14 Ohio Commw Eng Co Continuous gas plated metal article

Also Published As

Publication number Publication date
GB884261A (en) 1961-12-13
CH377881A (de) 1964-05-31
US3120001A (en) 1964-01-28
FR1242146A (fr) 1960-12-30

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