JPS5320312A - Production of magnetic core - Google Patents

Production of magnetic core

Info

Publication number
JPS5320312A
JPS5320312A JP9450176A JP9450176A JPS5320312A JP S5320312 A JPS5320312 A JP S5320312A JP 9450176 A JP9450176 A JP 9450176A JP 9450176 A JP9450176 A JP 9450176A JP S5320312 A JPS5320312 A JP S5320312A
Authority
JP
Japan
Prior art keywords
production
magnetic core
core
minimize
decrease
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
JP9450176A
Other languages
Japanese (ja)
Inventor
Tatsumi Ueda
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP9450176A priority Critical patent/JPS5320312A/en
Publication of JPS5320312A publication Critical patent/JPS5320312A/en
Pending legal-status Critical Current

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
    • G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
    • G11B5/1475—Assembling or shaping of elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)

Abstract

PURPOSE:To minimize the decrease in magnetic permeability and improve working efficiency by radiating laser light to the protruding parts provided to a thin magnetic plate thereby performing welding and forming the core.
JP9450176A 1976-08-10 1976-08-10 Production of magnetic core Pending JPS5320312A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9450176A JPS5320312A (en) 1976-08-10 1976-08-10 Production of magnetic core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9450176A JPS5320312A (en) 1976-08-10 1976-08-10 Production of magnetic core

Publications (1)

Publication Number Publication Date
JPS5320312A true JPS5320312A (en) 1978-02-24

Family

ID=14112048

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9450176A Pending JPS5320312A (en) 1976-08-10 1976-08-10 Production of magnetic core

Country Status (1)

Country Link
JP (1) JPS5320312A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538641A (en) * 1978-09-07 1980-03-18 Canon Inc Magnetic head
JPS598115A (en) * 1982-07-07 1984-01-17 Matsushita Electric Ind Co Ltd Magnetic head

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538641A (en) * 1978-09-07 1980-03-18 Canon Inc Magnetic head
JPS598115A (en) * 1982-07-07 1984-01-17 Matsushita Electric Ind Co Ltd Magnetic head
JPH0416844B2 (en) * 1982-07-07 1992-03-25 Matsushita Electric Ind Co Ltd

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