JPS56169214A - Magnetic head - Google Patents

Magnetic head

Info

Publication number
JPS56169214A
JPS56169214A JP7267380A JP7267380A JPS56169214A JP S56169214 A JPS56169214 A JP S56169214A JP 7267380 A JP7267380 A JP 7267380A JP 7267380 A JP7267380 A JP 7267380A JP S56169214 A JPS56169214 A JP S56169214A
Authority
JP
Japan
Prior art keywords
magnetic
block
head
gap
roof
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
JP7267380A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0219522B2 (enrdf_load_html_response
Inventor
Hiromichi Shibatani
Hikoyata Abe
Akio Nagura
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.)
Japan Broadcasting Corp
Original Assignee
Nippon Hoso Kyokai NHK
Japan Broadcasting Corp
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 Nippon Hoso Kyokai NHK, Japan Broadcasting Corp filed Critical Nippon Hoso Kyokai NHK
Priority to JP7267380A priority Critical patent/JPS56169214A/ja
Publication of JPS56169214A publication Critical patent/JPS56169214A/ja
Publication of JPH0219522B2 publication Critical patent/JPH0219522B2/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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/1871—Shaping or contouring of the transducing or guiding surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP7267380A 1980-06-02 1980-06-02 Magnetic head Granted JPS56169214A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7267380A JPS56169214A (en) 1980-06-02 1980-06-02 Magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7267380A JPS56169214A (en) 1980-06-02 1980-06-02 Magnetic head

Publications (2)

Publication Number Publication Date
JPS56169214A true JPS56169214A (en) 1981-12-25
JPH0219522B2 JPH0219522B2 (enrdf_load_html_response) 1990-05-02

Family

ID=13496107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7267380A Granted JPS56169214A (en) 1980-06-02 1980-06-02 Magnetic head

Country Status (1)

Country Link
JP (1) JPS56169214A (enrdf_load_html_response)

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58155513A (ja) * 1982-03-10 1983-09-16 Hitachi Ltd 複合型磁気ヘツドおよびその製造方法
JPS5922213A (ja) * 1982-07-27 1984-02-04 Nec Home Electronics Ltd 磁気ヘツド
JPS59207415A (ja) * 1983-05-11 1984-11-24 Hitachi Ltd 複合型磁気ヘツドおよびその製造方法
JPS607606A (ja) * 1983-06-13 1985-01-16 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 高保磁力記録媒体に情報を書込むための磁気ヘツド
JPS6032107A (ja) * 1983-07-30 1985-02-19 Sony Corp 磁気ヘツド
JPS6057512A (ja) * 1983-09-07 1985-04-03 Hitachi Ltd 複合型磁気ヘツド
FR2558000A1 (fr) * 1983-12-30 1985-07-12 Sony Corp Tete de transducteur magnetique.
JPS60205808A (ja) * 1984-03-29 1985-10-17 Sony Corp 磁気ヘツド
JPS60223012A (ja) * 1984-04-18 1985-11-07 Sony Corp 磁気ヘツド
JPS60229210A (ja) * 1983-12-30 1985-11-14 Sony Corp 磁気ヘツド
JPS613311A (ja) * 1984-06-18 1986-01-09 Sony Corp 磁気ヘツド
JPS613313A (ja) * 1984-06-18 1986-01-09 Sony Corp 磁気ヘツド
JPS6139907A (ja) * 1984-08-01 1986-02-26 Hitachi Maxell Ltd 磁気ヘツド
JPS6199913A (ja) * 1984-09-19 1986-05-19 Hitachi Maxell Ltd 磁気ヘツド
JPS62140210A (ja) * 1985-12-13 1987-06-23 Sanyo Electric Co Ltd 消去磁気ヘッド
JPS62159306A (ja) * 1985-12-30 1987-07-15 Sony Corp 磁気ヘツド
US4701819A (en) * 1984-09-19 1987-10-20 Hitachi Maxell, Ltd. Magnetic head to effect high density magnetic recording
JPS63175211A (ja) * 1987-01-16 1988-07-19 Seiko Epson Corp 複合磁気ヘツド
US4774616A (en) * 1983-04-04 1988-09-27 Hitachi, Ltd. Magnetic head having an integrated recording and playback head and an erasure head
US4788611A (en) * 1984-11-26 1988-11-29 Sony Corporation Magnetic transducer head
JPH01264611A (ja) * 1989-03-08 1989-10-20 Hitachi Ltd 複合型磁気ヘッドの製造方法
JPH01264610A (ja) * 1989-03-08 1989-10-20 Hitachi Ltd 複合型磁気ヘッド
US4972285A (en) * 1983-04-15 1990-11-20 Hitachi, Ltd. Amorphous magnetic alloy of Co-Nb-Zr system and magnetic head made from the same
JPH04356701A (ja) * 1991-09-13 1992-12-10 Hitachi Ltd 複合型磁気ヘッド

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5496013A (en) * 1978-01-13 1979-07-30 Matsushita Electric Ind Co Ltd Compound magnetic head

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5496013A (en) * 1978-01-13 1979-07-30 Matsushita Electric Ind Co Ltd Compound magnetic head

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58155513A (ja) * 1982-03-10 1983-09-16 Hitachi Ltd 複合型磁気ヘツドおよびその製造方法
JPS5922213A (ja) * 1982-07-27 1984-02-04 Nec Home Electronics Ltd 磁気ヘツド
US4774616A (en) * 1983-04-04 1988-09-27 Hitachi, Ltd. Magnetic head having an integrated recording and playback head and an erasure head
US4972285A (en) * 1983-04-15 1990-11-20 Hitachi, Ltd. Amorphous magnetic alloy of Co-Nb-Zr system and magnetic head made from the same
JPS59207415A (ja) * 1983-05-11 1984-11-24 Hitachi Ltd 複合型磁気ヘツドおよびその製造方法
JPS607606A (ja) * 1983-06-13 1985-01-16 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 高保磁力記録媒体に情報を書込むための磁気ヘツド
JPS6032107A (ja) * 1983-07-30 1985-02-19 Sony Corp 磁気ヘツド
JPS6057512A (ja) * 1983-09-07 1985-04-03 Hitachi Ltd 複合型磁気ヘツド
FR2558000A1 (fr) * 1983-12-30 1985-07-12 Sony Corp Tete de transducteur magnetique.
JPS60229210A (ja) * 1983-12-30 1985-11-14 Sony Corp 磁気ヘツド
US4755899A (en) * 1983-12-30 1988-07-05 Sony Corporation Magnetic transducer head having an alloy thin film of high saturation magnetic flux density slantly provided with respect to an operating magnetic gap formed therein
JPS60205808A (ja) * 1984-03-29 1985-10-17 Sony Corp 磁気ヘツド
JPS60223012A (ja) * 1984-04-18 1985-11-07 Sony Corp 磁気ヘツド
JPS613311A (ja) * 1984-06-18 1986-01-09 Sony Corp 磁気ヘツド
JPS613313A (ja) * 1984-06-18 1986-01-09 Sony Corp 磁気ヘツド
JPS6139907A (ja) * 1984-08-01 1986-02-26 Hitachi Maxell Ltd 磁気ヘツド
US4701819A (en) * 1984-09-19 1987-10-20 Hitachi Maxell, Ltd. Magnetic head to effect high density magnetic recording
JPS6199913A (ja) * 1984-09-19 1986-05-19 Hitachi Maxell Ltd 磁気ヘツド
US4788611A (en) * 1984-11-26 1988-11-29 Sony Corporation Magnetic transducer head
JPS62140210A (ja) * 1985-12-13 1987-06-23 Sanyo Electric Co Ltd 消去磁気ヘッド
JPS62159306A (ja) * 1985-12-30 1987-07-15 Sony Corp 磁気ヘツド
JPS63175211A (ja) * 1987-01-16 1988-07-19 Seiko Epson Corp 複合磁気ヘツド
JPH01264611A (ja) * 1989-03-08 1989-10-20 Hitachi Ltd 複合型磁気ヘッドの製造方法
JPH01264610A (ja) * 1989-03-08 1989-10-20 Hitachi Ltd 複合型磁気ヘッド
JPH04356701A (ja) * 1991-09-13 1992-12-10 Hitachi Ltd 複合型磁気ヘッド

Also Published As

Publication number Publication date
JPH0219522B2 (enrdf_load_html_response) 1990-05-02

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