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JPS5255513A - Magnetic head - Google Patents

Magnetic head

Info

Publication number
JPS5255513A
JPS5255513A JP13107775A JP13107775A JPS5255513A JP S5255513 A JPS5255513 A JP S5255513A JP 13107775 A JP13107775 A JP 13107775A JP 13107775 A JP13107775 A JP 13107775A JP S5255513 A JPS5255513 A JP S5255513A
Authority
JP
Japan
Prior art keywords
section
magnetic head
tip portion
small cross
magnetic
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
JP13107775A
Other languages
Japanese (ja)
Other versions
JPS5615042B2 (en
Inventor
Koichi Ogawa
Seiya Ogawa
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP13107775A priority Critical patent/JPS5255513A/en
Publication of JPS5255513A publication Critical patent/JPS5255513A/en
Publication of JPS5615042B2 publication Critical patent/JPS5615042B2/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
    • G11B5/1278—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)
  • Digital Magnetic Recording (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Magnetic Heads (AREA)

Abstract

PURPOSE:To make a magnetic record possible in high density at the tip portion of a small cross section by the procedure that only a tip portion having a small cross section of an iron core acts on as a magnetic recorder and a large cross section does not effect for recording.
JP13107775A 1975-10-30 1975-10-30 Magnetic head Granted JPS5255513A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13107775A JPS5255513A (en) 1975-10-30 1975-10-30 Magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13107775A JPS5255513A (en) 1975-10-30 1975-10-30 Magnetic head

Publications (2)

Publication Number Publication Date
JPS5255513A true JPS5255513A (en) 1977-05-07
JPS5615042B2 JPS5615042B2 (en) 1981-04-08

Family

ID=15049440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13107775A Granted JPS5255513A (en) 1975-10-30 1975-10-30 Magnetic head

Country Status (1)

Country Link
JP (1) JPS5255513A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56163517A (en) * 1980-05-19 1981-12-16 Fujitsu Ltd Vertical magnetization recording head
JPS5737713A (en) * 1980-08-20 1982-03-02 Seiko Epson Corp Vertical magnetic recording head
JPS57111821A (en) * 1980-12-29 1982-07-12 Fujitsu Ltd Thin film magnetic head and its production
JPS58165733U (en) * 1982-04-28 1983-11-04 ティーディーケイ株式会社 magnetic recording head
US4566050A (en) * 1982-12-30 1986-01-21 International Business Machines Corp. (Ibm) Skew insensitive magnetic read head
US4803582A (en) * 1983-06-23 1989-02-07 Victor Company Of Japan Ltd. Perpendicular magnetization type magnetic head having a magnetic pole part which forms a closed magnetic path
CN1051093C (en) * 1994-09-16 2000-04-05 中国科学院广州化学研究所 Method for preparing nano-grade microcrystalline cellulose powder by solvent method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933776A (en) * 1972-07-28 1974-03-28
JPS4988505A (en) * 1972-12-23 1974-08-23

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933776A (en) * 1972-07-28 1974-03-28
JPS4988505A (en) * 1972-12-23 1974-08-23

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56163517A (en) * 1980-05-19 1981-12-16 Fujitsu Ltd Vertical magnetization recording head
JPH022207B2 (en) * 1980-05-19 1990-01-17 Fujitsu Ltd
JPS5737713A (en) * 1980-08-20 1982-03-02 Seiko Epson Corp Vertical magnetic recording head
US4513337A (en) * 1980-08-20 1985-04-23 Kabushiki Kaisha Suwa Seikosha Magnetic head for perpendicular magnetization recording
JPH0152803B2 (en) * 1980-08-20 1989-11-10 Seiko Epson Corp
JPS57111821A (en) * 1980-12-29 1982-07-12 Fujitsu Ltd Thin film magnetic head and its production
JPS6053369B2 (en) * 1980-12-29 1985-11-25 富士通株式会社 Thin film magnetic head and its manufacturing method
JPS58165733U (en) * 1982-04-28 1983-11-04 ティーディーケイ株式会社 magnetic recording head
US4566050A (en) * 1982-12-30 1986-01-21 International Business Machines Corp. (Ibm) Skew insensitive magnetic read head
US4803582A (en) * 1983-06-23 1989-02-07 Victor Company Of Japan Ltd. Perpendicular magnetization type magnetic head having a magnetic pole part which forms a closed magnetic path
CN1051093C (en) * 1994-09-16 2000-04-05 中国科学院广州化学研究所 Method for preparing nano-grade microcrystalline cellulose powder by solvent method

Also Published As

Publication number Publication date
JPS5615042B2 (en) 1981-04-08

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