JPS5370808A - Magnetic head - Google Patents

Magnetic head

Info

Publication number
JPS5370808A
JPS5370808A JP14678876A JP14678876A JPS5370808A JP S5370808 A JPS5370808 A JP S5370808A JP 14678876 A JP14678876 A JP 14678876A JP 14678876 A JP14678876 A JP 14678876A JP S5370808 A JPS5370808 A JP S5370808A
Authority
JP
Japan
Prior art keywords
magnetic head
magnetic
reinforce
powder
static
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.)
Granted
Application number
JP14678876A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5652371B2 (enExample
Inventor
Hideaki Mizuno
Toshio Konno
Kunihide Sakai
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP14678876A priority Critical patent/JPS5370808A/ja
Priority to US05/856,963 priority patent/US4152741A/en
Priority to DE2754536A priority patent/DE2754536C2/de
Publication of JPS5370808A publication Critical patent/JPS5370808A/ja
Publication of JPS5652371B2 publication Critical patent/JPS5652371B2/ja
Granted 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
    • G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
    • G11B5/1335—Assembling or shaping of elements
    • 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
    • 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
    • G11B5/235—Selection of material for gap filler

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP14678876A 1976-12-07 1976-12-07 Magnetic head Granted JPS5370808A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP14678876A JPS5370808A (en) 1976-12-07 1976-12-07 Magnetic head
US05/856,963 US4152741A (en) 1976-12-07 1977-12-02 Ferrite core magnetic head with improved reinforcement filler
DE2754536A DE2754536C2 (de) 1976-12-07 1977-12-07 Ferritkern-Magnetkopf mit Verstärkungs-Füllmaterial

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14678876A JPS5370808A (en) 1976-12-07 1976-12-07 Magnetic head

Publications (2)

Publication Number Publication Date
JPS5370808A true JPS5370808A (en) 1978-06-23
JPS5652371B2 JPS5652371B2 (enExample) 1981-12-11

Family

ID=15415542

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14678876A Granted JPS5370808A (en) 1976-12-07 1976-12-07 Magnetic head

Country Status (3)

Country Link
US (1) US4152741A (enExample)
JP (1) JPS5370808A (enExample)
DE (1) DE2754536C2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8284983B2 (en) 2007-08-14 2012-10-09 Klaus Reck Coaxial loudspeaker

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317149A (en) * 1980-06-02 1982-02-23 International Business Machines Corporation Magnetic head having static discharge means
JPS58130421A (ja) * 1982-01-28 1983-08-03 Victor Co Of Japan Ltd 磁気ヘツド及びその製造方法
DE3316747A1 (de) * 1983-05-07 1984-11-08 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig & Co KG, 8510 Fürth Magnetkopf und verfahren zu seiner herstellung
US4755898A (en) * 1983-06-13 1988-07-05 Matsushita Electric Industrial Co., Ltd. Amorphous magnetic head
EP0179269B1 (en) * 1984-09-19 1991-11-06 Hitachi Maxell Ltd. Magnetic head
JPS62114108A (ja) * 1985-11-14 1987-05-25 Mitsubishi Electric Corp 電磁変換素子
US5245488A (en) * 1986-08-13 1993-09-14 Seiko Epson Corporation Low-noise composite magnetic head for recording and producing
JPS63211110A (ja) * 1987-02-27 1988-09-02 Pioneer Electronic Corp 磁気ヘツドの製造方法
JP4851062B2 (ja) * 2003-12-10 2012-01-11 スミダコーポレーション株式会社 インダクタンス素子の製造方法
DE102012213263A1 (de) * 2011-09-20 2013-03-21 Robert Bosch Gmbh Handwerkzeugvorrichtung mit zumindest einer Ladespule

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1269159B (de) * 1961-04-07 1968-05-30 Philips Nv Magnetkopf aus zwei, durch einen mit nichtmagnetischem Material ausgefuellten Nutzspalt getrennten Kreisteilen zum Aufzeichnen, Wiedergeben und/oder Loeschen von videofrequenten Signalen und Verfahren zu seiner Herstellung
AT237059B (de) * 1962-09-28 1964-11-25 Philips Nv Verfahren zur Herstellung eines Magnetkopfes
US3369292A (en) * 1962-11-23 1968-02-20 North American Phillips Compan Method of forming glass bonded heads
US3641281A (en) * 1964-08-18 1972-02-08 Peter F Varadi Magnetic transducer having a conductive metal powder gap spacer
US3440360A (en) * 1964-10-03 1969-04-22 Matsushita Electric Industrial Co Ltd Magnetic head with notched pole tips
US3605259A (en) * 1968-03-06 1971-09-20 Matsushita Electric Industrial Co Ltd Method of manufacturing a pair of pole pieces for a magnetic head
US3721000A (en) * 1968-03-15 1973-03-20 Sony Corp Method of making a magnetic head
US3634933A (en) * 1968-05-01 1972-01-18 Rca Corp Magnetic head method
US3579214A (en) * 1968-06-17 1971-05-18 Ibm Multichannel magnetic head with common leg
DE1931003C3 (de) * 1969-06-19 1978-04-13 Robert Bosch Gmbh, 7000 Stuttgart Magnetkopf für ein Magnetspeichergerät
GB1423520A (en) * 1972-12-29 1976-02-04 Data Recording Instr Co Manufacture of magnetic transducing heads
JPS5427132B2 (enExample) * 1974-02-21 1979-09-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8284983B2 (en) 2007-08-14 2012-10-09 Klaus Reck Coaxial loudspeaker

Also Published As

Publication number Publication date
JPS5652371B2 (enExample) 1981-12-11
US4152741A (en) 1979-05-01
DE2754536C2 (de) 1986-02-20
DE2754536A1 (de) 1978-06-08

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