JPS6143763B2 - - Google Patents

Info

Publication number
JPS6143763B2
JPS6143763B2 JP3842379A JP3842379A JPS6143763B2 JP S6143763 B2 JPS6143763 B2 JP S6143763B2 JP 3842379 A JP3842379 A JP 3842379A JP 3842379 A JP3842379 A JP 3842379A JP S6143763 B2 JPS6143763 B2 JP S6143763B2
Authority
JP
Japan
Prior art keywords
ion etching
track
magnetic
core
magnetic head
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
JP3842379A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55132525A (en
Inventor
Takuji Nakanishi
Tomoyuki Toshima
Keiichi Yanagisawa
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP3842379A priority Critical patent/JPS55132525A/ja
Publication of JPS55132525A publication Critical patent/JPS55132525A/ja
Publication of JPS6143763B2 publication Critical patent/JPS6143763B2/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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/1871—Shaping or contouring of the transducing or guiding surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
JP3842379A 1979-04-02 1979-04-02 Magnetic head Granted JPS55132525A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3842379A JPS55132525A (en) 1979-04-02 1979-04-02 Magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3842379A JPS55132525A (en) 1979-04-02 1979-04-02 Magnetic head

Publications (2)

Publication Number Publication Date
JPS55132525A JPS55132525A (en) 1980-10-15
JPS6143763B2 true JPS6143763B2 (en, 2012) 1986-09-30

Family

ID=12524895

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3842379A Granted JPS55132525A (en) 1979-04-02 1979-04-02 Magnetic head

Country Status (1)

Country Link
JP (1) JPS55132525A (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0425458U (en, 2012) * 1990-05-10 1992-02-28

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0425458U (en, 2012) * 1990-05-10 1992-02-28

Also Published As

Publication number Publication date
JPS55132525A (en) 1980-10-15

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