JPS57179926A - Magnetic head - Google Patents

Magnetic head

Info

Publication number
JPS57179926A
JPS57179926A JP6393081A JP6393081A JPS57179926A JP S57179926 A JPS57179926 A JP S57179926A JP 6393081 A JP6393081 A JP 6393081A JP 6393081 A JP6393081 A JP 6393081A JP S57179926 A JPS57179926 A JP S57179926A
Authority
JP
Japan
Prior art keywords
magnetic
alloy
magnetic core
ferrite
melting point
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
JP6393081A
Other languages
Japanese (ja)
Inventor
Hiromitsu Kawamura
Katsumi Obara
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6393081A priority Critical patent/JPS57179926A/en
Publication of JPS57179926A publication Critical patent/JPS57179926A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Magnetic Heads (AREA)

Abstract

PURPOSE:To prevent the deterioration of the magnetic characteristics of a magntic alloy, by using a low melting point glass material of a special content for a bonding section or a molding section of a magnetic core. CONSTITUTION:A low melting point glass member 20 is filled in a bonding part 13 between an amorphous magnetic alloy 11 forming a magnetic head 10 and a ferrite 12, a track width determining notched groove 14, a reinforced groove 17 bonding the 1st magnetic core chip 15 and the 2nd magnetic core chip 16, a part of a coin winding window 18 and a magnetic core butted part 19 and the like. The amophous magnetic substance alloy 11 is a thin plate manufactured with the ultraquick cooling method with molten alloy such as Co-Fe-Si-B system, and the ferrite 12 is for example, a Mn-Zn ferrite. As the low melting point glass member 20, the contents are made by in wt%, 76-86% PbO, 10-15% B2O3, 0.5- 3.0% SiO2, 0.5-3.0% Al2O3, <=4.0% ZnO <=3.0% CuO and <=3% Bi2O3.
JP6393081A 1981-04-30 1981-04-30 Magnetic head Pending JPS57179926A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6393081A JPS57179926A (en) 1981-04-30 1981-04-30 Magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6393081A JPS57179926A (en) 1981-04-30 1981-04-30 Magnetic head

Publications (1)

Publication Number Publication Date
JPS57179926A true JPS57179926A (en) 1982-11-05

Family

ID=13243554

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6393081A Pending JPS57179926A (en) 1981-04-30 1981-04-30 Magnetic head

Country Status (1)

Country Link
JP (1) JPS57179926A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0139008A1 (en) * 1983-02-10 1985-05-02 Matsushita Electric Industrial Co., Ltd. Magnetic head
FR2576702A1 (en) * 1985-01-30 1986-08-01 Pioneer Electronic Corp Magnetic head and method for its production
JPS6238513A (en) * 1985-08-13 1987-02-19 Victor Co Of Japan Ltd Composite magnetic head
US4755898A (en) * 1983-06-13 1988-07-05 Matsushita Electric Industrial Co., Ltd. Amorphous magnetic head
US4847983A (en) * 1985-04-08 1989-07-18 Matsushita Electric Industrial Co., Ltd. Method of making a crystallized glass-bonded amorphous metal magnetic film-non-magnetic substrate magnetic head

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0139008A1 (en) * 1983-02-10 1985-05-02 Matsushita Electric Industrial Co., Ltd. Magnetic head
EP0139008A4 (en) * 1983-02-10 1986-10-02 Matsushita Electric Ind Co Ltd Magnetic head.
US4755898A (en) * 1983-06-13 1988-07-05 Matsushita Electric Industrial Co., Ltd. Amorphous magnetic head
FR2576702A1 (en) * 1985-01-30 1986-08-01 Pioneer Electronic Corp Magnetic head and method for its production
US4847983A (en) * 1985-04-08 1989-07-18 Matsushita Electric Industrial Co., Ltd. Method of making a crystallized glass-bonded amorphous metal magnetic film-non-magnetic substrate magnetic head
US4947542A (en) * 1985-04-08 1990-08-14 Matsushita Electric Industrial Co., Ltd. Method of making a crystallized glass-bonded amorphous metal magnetic film-non-magnetic substrate magnetic head
US4964007A (en) * 1985-04-08 1990-10-16 Matsushita Electric Industrial Co., Ltd. Crystallized glass-bonded amorphous metal magnetic film-non-magnetic substrate magnetic head
JPS6238513A (en) * 1985-08-13 1987-02-19 Victor Co Of Japan Ltd Composite magnetic head

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