JPS57130221A - Vertical magnetization recording and reproducing head - Google Patents

Vertical magnetization recording and reproducing head

Info

Publication number
JPS57130221A
JPS57130221A JP1614581A JP1614581A JPS57130221A JP S57130221 A JPS57130221 A JP S57130221A JP 1614581 A JP1614581 A JP 1614581A JP 1614581 A JP1614581 A JP 1614581A JP S57130221 A JPS57130221 A JP S57130221A
Authority
JP
Japan
Prior art keywords
vertical magnetization
magnetic
recording
reproduction
main
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
JP1614581A
Other languages
Japanese (ja)
Inventor
Tetsuya Mino
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP1614581A priority Critical patent/JPS57130221A/en
Publication of JPS57130221A publication Critical patent/JPS57130221A/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
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier

Landscapes

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

Abstract

PURPOSE:To achieve high-density vertical magnetization and high-output reproduction by one vertical magnetization recording and reproducing head, by using an independent main and an auxiliary magnetic pole performing vertical magnetization recording and a ring type head in combination. CONSTITUTION:A main magnetic pole film 11 is formed at part of a ring type magentic material 10, such as permalloy, having high magnetic permeability by using a thin film of a magnetic material with high magnetic permeability by sputtering, etc. A coil 14 for reproduction is wound around a ring type magnetic material 10 and a gap 15 is formed between the magnetic mateial 10 and main magnetic film 11. An auxiliary magnetic pole 12 is wound with a coil 13 for recording. Since vertical magnetization recording provides the same effect with the use of the main and auxiliary magnetic poles, its recording density is improved and vertical magnetization reproduction provides the same effect as that of the reproduction of a ring head.
JP1614581A 1981-02-05 1981-02-05 Vertical magnetization recording and reproducing head Pending JPS57130221A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1614581A JPS57130221A (en) 1981-02-05 1981-02-05 Vertical magnetization recording and reproducing head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1614581A JPS57130221A (en) 1981-02-05 1981-02-05 Vertical magnetization recording and reproducing head

Publications (1)

Publication Number Publication Date
JPS57130221A true JPS57130221A (en) 1982-08-12

Family

ID=11908324

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1614581A Pending JPS57130221A (en) 1981-02-05 1981-02-05 Vertical magnetization recording and reproducing head

Country Status (1)

Country Link
JP (1) JPS57130221A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4703380A (en) * 1984-02-01 1987-10-27 Olympus Optical Co., Ltd. Perpendicular magnetic head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4703380A (en) * 1984-02-01 1987-10-27 Olympus Optical Co., Ltd. Perpendicular magnetic head

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