JPS5623713A - Manufacture of thin plate for magnetic head core - Google Patents

Manufacture of thin plate for magnetic head core

Info

Publication number
JPS5623713A
JPS5623713A JP9855579A JP9855579A JPS5623713A JP S5623713 A JPS5623713 A JP S5623713A JP 9855579 A JP9855579 A JP 9855579A JP 9855579 A JP9855579 A JP 9855579A JP S5623713 A JPS5623713 A JP S5623713A
Authority
JP
Japan
Prior art keywords
powder
thin plate
particles
manufacture
magnetic head
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.)
Pending
Application number
JP9855579A
Other languages
Japanese (ja)
Inventor
Gakuo Sada
Masayuki Takamura
Kenzaburo Iijima
Norio Fukuda
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.)
Nippon Gakki Co Ltd
Original Assignee
Nippon Gakki Co Ltd
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 Nippon Gakki Co Ltd filed Critical Nippon Gakki Co Ltd
Priority to JP9855579A priority Critical patent/JPS5623713A/en
Priority to DE3019449A priority patent/DE3019449C2/en
Priority to GB8016976A priority patent/GB2051622A/en
Priority to FR8011993A priority patent/FR2458868A1/en
Priority to US06/152,782 priority patent/US4336066A/en
Publication of JPS5623713A publication Critical patent/JPS5623713A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets 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
    • H01F1/14—Magnets 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
    • H01F1/20—Magnets 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 in the form of particles, e.g. powder
    • H01F1/22—Magnets 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 in the form of particles, e.g. powder pressed, sintered, or bound together

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetic Heads (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

PURPOSE:To manufacture the thin plate having high wear resistance by positively introducing oxide thereto by employing an atomizing process easily oxidizing it and adding oxidizable element thereto and increasing the bonding force of powder particles owing to sintering by reducing atomized powder. CONSTITUTION:When preparing stock powder containing Fe-Ni group magnetic alloy composition having as a whole one or more elements selected from the group consisting of Al, Ti, Mg, Ca, Ce and Be components as the entire powder, molten alloy is molten by vacuum melting process, and is then pulverized by a water atomizing process in a mixture of air and argon gas. The powder is reduced in hydrogen stream at predetermined temperature for predetermined time, is then inserted into a rubber container, and is pressure molded under predetermined pressure by a hydrostatic compression. Further, dust powder thus molded is sintered for predetermined time to increase the bonding strength between the particles of the powder to prevent the particles from falling, and the thin plate for magnetic head core having high wear resistance is manufactured.
JP9855579A 1979-05-25 1979-08-01 Manufacture of thin plate for magnetic head core Pending JPS5623713A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP9855579A JPS5623713A (en) 1979-08-01 1979-08-01 Manufacture of thin plate for magnetic head core
DE3019449A DE3019449C2 (en) 1979-05-25 1980-05-21 Process for the production of magnetic head cores
GB8016976A GB2051622A (en) 1979-05-25 1980-05-22 Method for manufacturing components for magnetic heads
FR8011993A FR2458868A1 (en) 1979-05-25 1980-05-23 PROCESS FOR THE PRODUCTION OF COMPONENTS FOR MAGNETIC HEADS
US06/152,782 US4336066A (en) 1979-05-25 1980-05-23 Method for manufacturing components for magnetic heads of increased abrasion resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9855579A JPS5623713A (en) 1979-08-01 1979-08-01 Manufacture of thin plate for magnetic head core

Publications (1)

Publication Number Publication Date
JPS5623713A true JPS5623713A (en) 1981-03-06

Family

ID=14222928

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9855579A Pending JPS5623713A (en) 1979-05-25 1979-08-01 Manufacture of thin plate for magnetic head core

Country Status (1)

Country Link
JP (1) JPS5623713A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5220378A (en) * 1975-08-07 1977-02-16 Kobe Steel Ltd Method of welding main bars and reinforcing bars eachothr in method of making pillar and beam constructed with steel bars
JPS6080205A (en) * 1983-10-08 1985-05-08 Nippon Ferrite Ltd Dust core

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5220378A (en) * 1975-08-07 1977-02-16 Kobe Steel Ltd Method of welding main bars and reinforcing bars eachothr in method of making pillar and beam constructed with steel bars
JPS5855850B2 (en) * 1975-08-07 1983-12-12 株式会社神戸製鋼所 Kumitatetetsukinchiyu Haritai no Seizou Hounio Keruhokiyoukin Toshiyukin Tono Yousetsuhouhou
JPS6080205A (en) * 1983-10-08 1985-05-08 Nippon Ferrite Ltd Dust core
JPH0414485B2 (en) * 1983-10-08 1992-03-13 Hitachi Ferrite Ltd

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