JPS57120309A - Manufacture of magnetic core - Google Patents

Manufacture of magnetic core

Info

Publication number
JPS57120309A
JPS57120309A JP693981A JP693981A JPS57120309A JP S57120309 A JPS57120309 A JP S57120309A JP 693981 A JP693981 A JP 693981A JP 693981 A JP693981 A JP 693981A JP S57120309 A JPS57120309 A JP S57120309A
Authority
JP
Japan
Prior art keywords
magnetic
cores
slots
block
core
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
JP693981A
Other languages
English (en)
Japanese (ja)
Inventor
Tetsuo Higuchi
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.)
Canon Inc
Canon Electronics Inc
Original Assignee
Canon Inc
Canon Electronics Inc
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 Canon Inc, Canon Electronics Inc filed Critical Canon Inc
Priority to JP693981A priority Critical patent/JPS57120309A/ja
Priority to DE19823201215 priority patent/DE3201215A1/de
Publication of JPS57120309A publication Critical patent/JPS57120309A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • 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
    • G11B5/23—Gap features
    • G11B5/232—Manufacture of gap
    • 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
    • G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
    • G11B5/2651—Manufacture

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Power Engineering (AREA)
  • Magnetic Heads (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
JP693981A 1981-01-19 1981-01-19 Manufacture of magnetic core Pending JPS57120309A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP693981A JPS57120309A (en) 1981-01-19 1981-01-19 Manufacture of magnetic core
DE19823201215 DE3201215A1 (de) 1981-01-19 1982-01-16 Verfahren zum herstellen eines magnetkerns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP693981A JPS57120309A (en) 1981-01-19 1981-01-19 Manufacture of magnetic core

Publications (1)

Publication Number Publication Date
JPS57120309A true JPS57120309A (en) 1982-07-27

Family

ID=11652214

Family Applications (1)

Application Number Title Priority Date Filing Date
JP693981A Pending JPS57120309A (en) 1981-01-19 1981-01-19 Manufacture of magnetic core

Country Status (2)

Country Link
JP (1) JPS57120309A (enrdf_load_stackoverflow)
DE (1) DE3201215A1 (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3846840A (en) * 1973-08-10 1974-11-05 Ibm Read/write and longitudinal edge erase head assembly having multiple similarly shaped layers

Also Published As

Publication number Publication date
DE3201215A1 (de) 1982-09-02
DE3201215C2 (enrdf_load_stackoverflow) 1988-01-14

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