JPS58175122A - 磁気ヘッドおよびその製造方法 - Google Patents

磁気ヘッドおよびその製造方法

Info

Publication number
JPS58175122A
JPS58175122A JP5660182A JP5660182A JPS58175122A JP S58175122 A JPS58175122 A JP S58175122A JP 5660182 A JP5660182 A JP 5660182A JP 5660182 A JP5660182 A JP 5660182A JP S58175122 A JPS58175122 A JP S58175122A
Authority
JP
Japan
Prior art keywords
magnetic material
groove
ferrite
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.)
Granted
Application number
JP5660182A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0442725B2 (enrdf_load_stackoverflow
Inventor
Takayuki Kumasaka
登行 熊坂
Hideo Fujiwara
英夫 藤原
Moichi Otomo
茂一 大友
Takeo Yamashita
武夫 山下
Sanehiro Kudo
實弘 工藤
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 JP5660182A priority Critical patent/JPS58175122A/ja
Publication of JPS58175122A publication Critical patent/JPS58175122A/ja
Publication of JPH0442725B2 publication Critical patent/JPH0442725B2/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
    • G11B5/1272—Assembling or shaping of elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP5660182A 1982-04-07 1982-04-07 磁気ヘッドおよびその製造方法 Granted JPS58175122A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5660182A JPS58175122A (ja) 1982-04-07 1982-04-07 磁気ヘッドおよびその製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5660182A JPS58175122A (ja) 1982-04-07 1982-04-07 磁気ヘッドおよびその製造方法

Publications (2)

Publication Number Publication Date
JPS58175122A true JPS58175122A (ja) 1983-10-14
JPH0442725B2 JPH0442725B2 (enrdf_load_stackoverflow) 1992-07-14

Family

ID=13031731

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5660182A Granted JPS58175122A (ja) 1982-04-07 1982-04-07 磁気ヘッドおよびその製造方法

Country Status (1)

Country Link
JP (1) JPS58175122A (enrdf_load_stackoverflow)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6032107A (ja) * 1983-07-30 1985-02-19 Sony Corp 磁気ヘツド
JPS6089807A (ja) * 1983-10-21 1985-05-20 Sanyo Electric Co Ltd 磁気ヘツド
FR2558000A1 (fr) * 1983-12-30 1985-07-12 Sony Corp Tete de transducteur magnetique.
FR2562304A1 (fr) * 1984-03-29 1985-10-04 Sony Corp Tete de transducteur magnetique
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
JPS613313A (ja) * 1984-06-18 1986-01-09 Sony Corp 磁気ヘツド
JPS61105710A (ja) * 1984-10-27 1986-05-23 Sony Corp 磁気ヘツドの製造方法
FR2573902A1 (fr) * 1984-11-26 1986-05-30 Sony Corp Tete de transducteur magnetique
JPS62209705A (ja) * 1986-03-11 1987-09-14 Akai Electric Co Ltd 磁気ヘツド
JPS62236111A (ja) * 1986-04-07 1987-10-16 Alps Electric Co Ltd 磁気ヘツドコアの製造方法
JPS62267911A (ja) * 1986-05-16 1987-11-20 Canon Inc 磁気ヘツド
JPS63204503A (ja) * 1987-02-19 1988-08-24 Sanyo Electric Co Ltd 磁気ヘツドの製造方法
US4769898A (en) * 1985-04-30 1988-09-13 Matsushita Electric Industrial Co., Ltd. Method of producing a magnetic head
JPH01116905A (ja) * 1987-10-30 1989-05-09 Canon Electron Inc 磁気ヘッド
US4890378A (en) * 1985-08-28 1990-01-02 Canon Kabushiki Kaisha Method for manufacturing a magnetic head core having a magnetic film
JPH03141006A (ja) * 1990-08-21 1991-06-17 Sanyo Electric Co Ltd 複合型磁気ヘッド
US5099376A (en) * 1988-02-09 1992-03-24 Sanyo Electric Co., Ltd. Magnetic head and method of manufacturing the same
US5433180A (en) * 1991-08-27 1995-07-18 Mazda Motor Corporation Internal combustion engine with supercharger

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5460913A (en) * 1977-10-24 1979-05-16 Hitachi Ltd Magnetic head
JPS5496013A (en) * 1978-01-13 1979-07-30 Matsushita Electric Ind Co Ltd Compound magnetic head
JPS56127929U (enrdf_load_stackoverflow) * 1980-02-25 1981-09-29
JPS56127928U (enrdf_load_stackoverflow) * 1980-02-21 1981-09-29

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5460913A (en) * 1977-10-24 1979-05-16 Hitachi Ltd Magnetic head
JPS5496013A (en) * 1978-01-13 1979-07-30 Matsushita Electric Ind Co Ltd Compound magnetic head
JPS56127928U (enrdf_load_stackoverflow) * 1980-02-21 1981-09-29
JPS56127929U (enrdf_load_stackoverflow) * 1980-02-25 1981-09-29

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6032107A (ja) * 1983-07-30 1985-02-19 Sony Corp 磁気ヘツド
JPS6089807A (ja) * 1983-10-21 1985-05-20 Sanyo Electric Co Ltd 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
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
FR2562304A1 (fr) * 1984-03-29 1985-10-04 Sony Corp Tete de transducteur magnetique
US4819113A (en) * 1984-03-29 1989-04-04 Sony Corporation Magnetic transducer head with inclined magnetic gap
JPS60223012A (ja) * 1984-04-18 1985-11-07 Sony Corp 磁気ヘツド
JPS613313A (ja) * 1984-06-18 1986-01-09 Sony Corp 磁気ヘツド
JPS61105710A (ja) * 1984-10-27 1986-05-23 Sony Corp 磁気ヘツドの製造方法
US4788611A (en) * 1984-11-26 1988-11-29 Sony Corporation Magnetic transducer head
FR2573902A1 (fr) * 1984-11-26 1986-05-30 Sony Corp Tete de transducteur magnetique
US4769898A (en) * 1985-04-30 1988-09-13 Matsushita Electric Industrial Co., Ltd. Method of producing a magnetic head
US4888658A (en) * 1985-04-30 1989-12-19 Matsushita Electric Industrial Co., Ltd. Magnetic head for magnetic recording and reproducing unit
US4890378A (en) * 1985-08-28 1990-01-02 Canon Kabushiki Kaisha Method for manufacturing a magnetic head core having a magnetic film
JPS62209705A (ja) * 1986-03-11 1987-09-14 Akai Electric Co Ltd 磁気ヘツド
JPS62236111A (ja) * 1986-04-07 1987-10-16 Alps Electric Co Ltd 磁気ヘツドコアの製造方法
JPS62267911A (ja) * 1986-05-16 1987-11-20 Canon Inc 磁気ヘツド
JPS63204503A (ja) * 1987-02-19 1988-08-24 Sanyo Electric Co Ltd 磁気ヘツドの製造方法
JPH01116905A (ja) * 1987-10-30 1989-05-09 Canon Electron Inc 磁気ヘッド
US5099376A (en) * 1988-02-09 1992-03-24 Sanyo Electric Co., Ltd. Magnetic head and method of manufacturing the same
JPH03141006A (ja) * 1990-08-21 1991-06-17 Sanyo Electric Co Ltd 複合型磁気ヘッド
US5433180A (en) * 1991-08-27 1995-07-18 Mazda Motor Corporation Internal combustion engine with supercharger
US5713330A (en) * 1991-08-27 1998-02-03 Mazda Motor Corporation Internal combustion engine with supercharger

Also Published As

Publication number Publication date
JPH0442725B2 (enrdf_load_stackoverflow) 1992-07-14

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