JPH0320803B2 - - Google Patents

Info

Publication number
JPH0320803B2
JPH0320803B2 JP58161308A JP16130883A JPH0320803B2 JP H0320803 B2 JPH0320803 B2 JP H0320803B2 JP 58161308 A JP58161308 A JP 58161308A JP 16130883 A JP16130883 A JP 16130883A JP H0320803 B2 JPH0320803 B2 JP H0320803B2
Authority
JP
Japan
Prior art keywords
magnetic
permeability
thin film
layer
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.)
Expired - Lifetime
Application number
JP58161308A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6052907A (ja
Inventor
Nobuaki Furuya
Yasuhiko Nakayama
Yoshio Watanabe
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP16130883A priority Critical patent/JPS6052907A/ja
Priority to US06/640,595 priority patent/US4672494A/en
Publication of JPS6052907A publication Critical patent/JPS6052907A/ja
Publication of JPH0320803B2 publication Critical patent/JPH0320803B2/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
    • 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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP16130883A 1983-09-01 1983-09-01 磁気ヘッド Granted JPS6052907A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP16130883A JPS6052907A (ja) 1983-09-01 1983-09-01 磁気ヘッド
US06/640,595 US4672494A (en) 1983-09-01 1984-08-14 Magnetic head for effecting perpendicular magnetic recording

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16130883A JPS6052907A (ja) 1983-09-01 1983-09-01 磁気ヘッド

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP33712689A Division JPH02198010A (ja) 1989-12-26 1989-12-26 磁気ヘッド
JP33712789A Division JPH02198011A (ja) 1989-12-26 1989-12-26 磁気ヘッド

Publications (2)

Publication Number Publication Date
JPS6052907A JPS6052907A (ja) 1985-03-26
JPH0320803B2 true JPH0320803B2 (en]) 1991-03-20

Family

ID=15732630

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16130883A Granted JPS6052907A (ja) 1983-09-01 1983-09-01 磁気ヘッド

Country Status (1)

Country Link
JP (1) JPS6052907A (en])

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5611612A (en) * 1979-07-02 1981-02-05 Toshiba Corp Magnetic head of vertical magnetizing type

Also Published As

Publication number Publication date
JPS6052907A (ja) 1985-03-26

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