JPS539509A - Production of magnetic head - Google Patents

Production of magnetic head

Info

Publication number
JPS539509A
JPS539509A JP8299676A JP8299676A JPS539509A JP S539509 A JPS539509 A JP S539509A JP 8299676 A JP8299676 A JP 8299676A JP 8299676 A JP8299676 A JP 8299676A JP S539509 A JPS539509 A JP S539509A
Authority
JP
Japan
Prior art keywords
production
magnetic head
predetermined pitch
circular grooves
high speed
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
JP8299676A
Other languages
Japanese (ja)
Inventor
Teizou Tamura
Katsuo Konishi
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 JP8299676A priority Critical patent/JPS539509A/en
Priority to US05/752,177 priority patent/US4110902A/en
Publication of JPS539509A publication Critical patent/JPS539509A/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
    • G11B5/187—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)
  • Magnetic Heads (AREA)

Abstract

PURPOSE:To produce high-accuracy video head chips easily and at a high speed by forming circular grooves in a ferrite block with a plurality of super hard wires provided at a predetermined pitch.
JP8299676A 1975-12-22 1976-07-14 Production of magnetic head Pending JPS539509A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP8299676A JPS539509A (en) 1976-07-14 1976-07-14 Production of magnetic head
US05/752,177 US4110902A (en) 1975-12-22 1976-12-20 Method for manufacturing a magnetic head for video signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8299676A JPS539509A (en) 1976-07-14 1976-07-14 Production of magnetic head

Publications (1)

Publication Number Publication Date
JPS539509A true JPS539509A (en) 1978-01-28

Family

ID=13789824

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8299676A Pending JPS539509A (en) 1975-12-22 1976-07-14 Production of magnetic head

Country Status (1)

Country Link
JP (1) JPS539509A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011104829A1 (en) 2010-02-24 2011-09-01 日本たばこ産業株式会社 Flavor inhalation pipe

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50820A (en) * 1973-04-30 1975-01-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50820A (en) * 1973-04-30 1975-01-07

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011104829A1 (en) 2010-02-24 2011-09-01 日本たばこ産業株式会社 Flavor inhalation pipe
CN102869403A (en) * 2010-02-24 2013-01-09 日本烟草产业株式会社 Flavor inhalation pipe

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