JPS6433709A - Magnetic head - Google Patents

Magnetic head

Info

Publication number
JPS6433709A
JPS6433709A JP18934487A JP18934487A JPS6433709A JP S6433709 A JPS6433709 A JP S6433709A JP 18934487 A JP18934487 A JP 18934487A JP 18934487 A JP18934487 A JP 18934487A JP S6433709 A JPS6433709 A JP S6433709A
Authority
JP
Japan
Prior art keywords
magnetic
magnetic head
size
track width
gap
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
JP18934487A
Other languages
Japanese (ja)
Inventor
Tatsushi Yamamoto
Kumio Nako
Masaji Doujima
Masaru Kadono
Tetsuo Muramatsu
Toru Kira
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP18934487A priority Critical patent/JPS6433709A/en
Publication of JPS6433709A publication Critical patent/JPS6433709A/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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3176—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps

Landscapes

  • Magnetic Heads (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)

Abstract

PURPOSE:To decrease the magnetic resistance of a magnetic head core and to improve the efficiency in the conversion characteristic of a magnetic head by increasing the thickness of thin soft magnetic films except near a magnetic gap. CONSTITUTION:The thin soft magnetic films 6 consisting of an FeAlSi alloy is formed to the thickness corresponding nearly to the size of a track width near the magnetic gap and to the thickness larger than the size of the track width in the part apart by nearly the size of the track width from the gap. The thin film 6 is sandwiched by both nonmagnetic materials; a substrate 7 consisting of photosensitive crystallized glass and low melting glass 8 having the wear nearly equal thereto. As a result, the core having the small magnetic resistance is obtd. in the state of maintaining the small width of the magnetic head core.
JP18934487A 1987-07-29 1987-07-29 Magnetic head Pending JPS6433709A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18934487A JPS6433709A (en) 1987-07-29 1987-07-29 Magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18934487A JPS6433709A (en) 1987-07-29 1987-07-29 Magnetic head

Publications (1)

Publication Number Publication Date
JPS6433709A true JPS6433709A (en) 1989-02-03

Family

ID=16239761

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18934487A Pending JPS6433709A (en) 1987-07-29 1987-07-29 Magnetic head

Country Status (1)

Country Link
JP (1) JPS6433709A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01140411A (en) * 1987-11-27 1989-06-01 Hitachi Ltd Magnetic head
EP0448033A2 (en) * 1990-03-19 1991-09-25 Sharp Kabushiki Kaisha Method of manufacturing a magnetic head
EP0509461A2 (en) * 1991-04-16 1992-10-21 Sharp Kabushiki Kaisha Magnetic head and method of manufacturing the same
EP0578234A2 (en) * 1992-07-08 1994-01-12 Sharp Kabushiki Kaisha Magnetic head and method of manufacturing the same
JPH0673551U (en) * 1992-12-24 1994-10-18 株式会社巴技術研究所 Butterfly valve seat ring

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57141011A (en) * 1981-02-23 1982-09-01 Hitachi Ltd Thin film magnetic head and its production

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57141011A (en) * 1981-02-23 1982-09-01 Hitachi Ltd Thin film magnetic head and its production

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01140411A (en) * 1987-11-27 1989-06-01 Hitachi Ltd Magnetic head
EP0448033A2 (en) * 1990-03-19 1991-09-25 Sharp Kabushiki Kaisha Method of manufacturing a magnetic head
US5145555A (en) * 1990-03-19 1992-09-08 Sharp Kabushiki Kaisha Method of manufacturing a magnetic head
EP0509461A2 (en) * 1991-04-16 1992-10-21 Sharp Kabushiki Kaisha Magnetic head and method of manufacturing the same
US5276959A (en) * 1991-04-16 1994-01-11 Sharp Kabushiki Kaisha Method of manufacturing a magnetic tape head
EP0578234A2 (en) * 1992-07-08 1994-01-12 Sharp Kabushiki Kaisha Magnetic head and method of manufacturing the same
EP0578234A3 (en) * 1992-07-08 1994-02-16 Sharp Kk
US5691866A (en) * 1992-07-08 1997-11-25 Sharp Kabushiki Kaisha Magnetic head and method of manufacturing the same
JPH0673551U (en) * 1992-12-24 1994-10-18 株式会社巴技術研究所 Butterfly valve seat ring

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