FR2572841B1 - Procede de preparation de noyaux et pieces analogues en oxydes metalliques - Google Patents

Procede de preparation de noyaux et pieces analogues en oxydes metalliques

Info

Publication number
FR2572841B1
FR2572841B1 FR8416924A FR8416924A FR2572841B1 FR 2572841 B1 FR2572841 B1 FR 2572841B1 FR 8416924 A FR8416924 A FR 8416924A FR 8416924 A FR8416924 A FR 8416924A FR 2572841 B1 FR2572841 B1 FR 2572841B1
Authority
FR
France
Prior art keywords
cores
preparation
metal oxides
parts similar
similar
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
FR8416924A
Other languages
English (en)
Other versions
FR2572841A1 (fr
Inventor
Akira Shibata
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.)
Chugai Electric Industrial Co Ltd
Original Assignee
Chugai Electric Industrial 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 Chugai Electric Industrial Co Ltd filed Critical Chugai Electric Industrial Co Ltd
Priority to FR8416924A priority Critical patent/FR2572841B1/fr
Publication of FR2572841A1 publication Critical patent/FR2572841A1/fr
Application granted granted Critical
Publication of FR2572841B1 publication Critical patent/FR2572841B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
    • 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
    • G11B5/17—Construction or disposition of windings
    • 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
    • G11B5/193—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features the pole pieces being ferrite or other magnetic particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Soft Magnetic Materials (AREA)
FR8416924A 1984-11-07 1984-11-07 Procede de preparation de noyaux et pieces analogues en oxydes metalliques Expired FR2572841B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8416924A FR2572841B1 (fr) 1984-11-07 1984-11-07 Procede de preparation de noyaux et pieces analogues en oxydes metalliques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8416924A FR2572841B1 (fr) 1984-11-07 1984-11-07 Procede de preparation de noyaux et pieces analogues en oxydes metalliques

Publications (2)

Publication Number Publication Date
FR2572841A1 FR2572841A1 (fr) 1986-05-09
FR2572841B1 true FR2572841B1 (fr) 1989-07-28

Family

ID=9309335

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8416924A Expired FR2572841B1 (fr) 1984-11-07 1984-11-07 Procede de preparation de noyaux et pieces analogues en oxydes metalliques

Country Status (1)

Country Link
FR (1) FR2572841B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899345A (en) * 1959-08-11 Method of making titanium dioxide capacitors
GB998848A (fr) * 1961-01-27 1965-07-21 Shuichi Iida
DE1471255B2 (de) * 1961-01-27 1971-06-24 Shuichi Iida, Tokio Verfahren zum nachbehandeln eines fertig bereiteten ferrits

Also Published As

Publication number Publication date
FR2572841A1 (fr) 1986-05-09

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Legal Events

Date Code Title Description
ST Notification of lapse