JPS51114111A - Method of manufacturing magnetic heads - Google Patents

Method of manufacturing magnetic heads

Info

Publication number
JPS51114111A
JPS51114111A JP3935575A JP3935575A JPS51114111A JP S51114111 A JPS51114111 A JP S51114111A JP 3935575 A JP3935575 A JP 3935575A JP 3935575 A JP3935575 A JP 3935575A JP S51114111 A JPS51114111 A JP S51114111A
Authority
JP
Japan
Prior art keywords
magnetic heads
manufacturing magnetic
magnetic
standards
precision
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
JP3935575A
Other languages
Japanese (ja)
Inventor
Kyosuke Yasuda
Takuji Nakanishi
Zeio Kamimura
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 JP3935575A priority Critical patent/JPS51114111A/en
Publication of JPS51114111A publication Critical patent/JPS51114111A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/32—Engines with pumps other than of reciprocating-piston type
    • F02B33/34—Engines with pumps other than of reciprocating-piston type with rotary pumps
    • F02B33/36—Engines with pumps other than of reciprocating-piston type with rotary pumps of positive-displacement type

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Magnetic Heads (AREA)

Abstract

PURPOSE:To improve the standards of precision of the form and dimensions of the raised surfaces of magnetic heads used for magnetic discs or for magnetic drums, to facilitate reducing the core track width.
JP3935575A 1975-03-31 1975-03-31 Method of manufacturing magnetic heads Pending JPS51114111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3935575A JPS51114111A (en) 1975-03-31 1975-03-31 Method of manufacturing magnetic heads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3935575A JPS51114111A (en) 1975-03-31 1975-03-31 Method of manufacturing magnetic heads

Publications (1)

Publication Number Publication Date
JPS51114111A true JPS51114111A (en) 1976-10-07

Family

ID=12550754

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3935575A Pending JPS51114111A (en) 1975-03-31 1975-03-31 Method of manufacturing magnetic heads

Country Status (1)

Country Link
JP (1) JPS51114111A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5361319A (en) * 1976-11-15 1978-06-01 Nippon Telegr & Teleph Corp <Ntt> Magnetic head
JPS62234214A (en) * 1986-04-03 1987-10-14 Alps Electric Co Ltd Production of magnetic head
US4875970A (en) * 1988-03-29 1989-10-24 Ngk Insulators, Ltd. Method of forming recessed profile on ferrite single crystal by chemical etching
US4948460A (en) * 1988-09-24 1990-08-14 Ngk Insulators, Ltd. Method of producing head core slider for rigid magnetic disk drive, utilizing laser-induced etching
JP2008119904A (en) * 2006-11-09 2008-05-29 Nakabayashi Co Ltd Sheet holder

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5361319A (en) * 1976-11-15 1978-06-01 Nippon Telegr & Teleph Corp <Ntt> Magnetic head
JPS62234214A (en) * 1986-04-03 1987-10-14 Alps Electric Co Ltd Production of magnetic head
US4875970A (en) * 1988-03-29 1989-10-24 Ngk Insulators, Ltd. Method of forming recessed profile on ferrite single crystal by chemical etching
US4948460A (en) * 1988-09-24 1990-08-14 Ngk Insulators, Ltd. Method of producing head core slider for rigid magnetic disk drive, utilizing laser-induced etching
JP2008119904A (en) * 2006-11-09 2008-05-29 Nakabayashi Co Ltd Sheet holder

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