JPS6220606B2 - - Google Patents

Info

Publication number
JPS6220606B2
JPS6220606B2 JP54077159A JP7715979A JPS6220606B2 JP S6220606 B2 JPS6220606 B2 JP S6220606B2 JP 54077159 A JP54077159 A JP 54077159A JP 7715979 A JP7715979 A JP 7715979A JP S6220606 B2 JPS6220606 B2 JP S6220606B2
Authority
JP
Japan
Prior art keywords
magnetic
magnetic flux
film
present
eddy current
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.)
Expired
Application number
JP54077159A
Other languages
English (en)
Japanese (ja)
Other versions
JPS563424A (en
Inventor
Kyoshi Muramori
Mitsuharu Tamura
Mitsuo Abe
Katsuo Konishi
Kuniaki Miura
Hideo Zama
Kanji Kawano
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 JP7715979A priority Critical patent/JPS563424A/ja
Publication of JPS563424A publication Critical patent/JPS563424A/ja
Publication of JPS6220606B2 publication Critical patent/JPS6220606B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP7715979A 1979-06-19 1979-06-19 Magnetic head Granted JPS563424A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7715979A JPS563424A (en) 1979-06-19 1979-06-19 Magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7715979A JPS563424A (en) 1979-06-19 1979-06-19 Magnetic head

Publications (2)

Publication Number Publication Date
JPS563424A JPS563424A (en) 1981-01-14
JPS6220606B2 true JPS6220606B2 (en, 2012) 1987-05-08

Family

ID=13626006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7715979A Granted JPS563424A (en) 1979-06-19 1979-06-19 Magnetic head

Country Status (1)

Country Link
JP (1) JPS563424A (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7099121B2 (en) * 2002-06-06 2006-08-29 Seagate Technology Llc Perpendicular magnetic recording head having a reduced field under the return pole and minimal eddy current losses

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5122649U (en, 2012) * 1974-08-09 1976-02-19
JPS5347811A (en) * 1976-10-12 1978-04-28 Matsushita Electric Ind Co Ltd Magnetic head
JPS5573918A (en) * 1978-11-27 1980-06-04 Sony Corp Magnetic head
JPS55157121A (en) * 1979-05-19 1980-12-06 Nippon Telegr & Teleph Corp <Ntt> Magnetic head core

Also Published As

Publication number Publication date
JPS563424A (en) 1981-01-14

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