JPS5284722A - Thin film magnetic head and its production - Google Patents

Thin film magnetic head and its production

Info

Publication number
JPS5284722A
JPS5284722A JP15845675A JP15845675A JPS5284722A JP S5284722 A JPS5284722 A JP S5284722A JP 15845675 A JP15845675 A JP 15845675A JP 15845675 A JP15845675 A JP 15845675A JP S5284722 A JPS5284722 A JP S5284722A
Authority
JP
Japan
Prior art keywords
production
thin film
magnetic head
film magnetic
magnetic
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.)
Granted
Application number
JP15845675A
Other languages
Japanese (ja)
Other versions
JPS6132722B2 (en
Inventor
Yoshimasa Miura
Yoshinori Ikeda
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP15845675A priority Critical patent/JPS5284722A/en
Publication of JPS5284722A publication Critical patent/JPS5284722A/en
Publication of JPS6132722B2 publication Critical patent/JPS6132722B2/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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/313—Disposition of layers
    • G11B5/3143—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding
    • G11B5/3146—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers
    • G11B5/3153—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers including at least one magnetic thin film coupled by interfacing to the basic magnetic thin film structure

Landscapes

  • Magnetic Heads (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)

Abstract

PURPOSE:To increase recording magnetic fields and improve recording density by forming an auxiliary magnetic core on the outside of a main magnetic core thereby reducing magnetic resistance.
JP15845675A 1975-12-31 1975-12-31 Thin film magnetic head and its production Granted JPS5284722A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15845675A JPS5284722A (en) 1975-12-31 1975-12-31 Thin film magnetic head and its production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15845675A JPS5284722A (en) 1975-12-31 1975-12-31 Thin film magnetic head and its production

Publications (2)

Publication Number Publication Date
JPS5284722A true JPS5284722A (en) 1977-07-14
JPS6132722B2 JPS6132722B2 (en) 1986-07-29

Family

ID=15672133

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15845675A Granted JPS5284722A (en) 1975-12-31 1975-12-31 Thin film magnetic head and its production

Country Status (1)

Country Link
JP (1) JPS5284722A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465290A1 (en) * 1979-09-10 1981-03-20 Magnex Corp THIN FILM MAGNETIC HEAD
JPS57117117A (en) * 1981-01-09 1982-07-21 Matsushita Electric Ind Co Ltd Thin film magnetic head
JPS5942622A (en) * 1982-09-01 1984-03-09 Comput Basic Mach Technol Res Assoc Thin film magnetic head
JPS5965921A (en) * 1982-10-07 1984-04-14 Comput Basic Mach Technol Res Assoc Manufacture of thin film magnetic head
JPS5971115A (en) * 1982-10-15 1984-04-21 Hitachi Ltd Thin film head for vertical magnetic recording and reproduction
JPS5979413A (en) * 1982-10-27 1984-05-08 Seiko Epson Corp Magnetic head
JPS6045920A (en) * 1983-08-23 1985-03-12 Fujitsu Ltd Thin film magnetic head having composite core
JPS61142519A (en) * 1984-12-13 1986-06-30 Matsushita Electric Ind Co Ltd Thin film magnetic head
US4742413A (en) * 1985-12-20 1988-05-03 Siemens Akteingesellschaft Magnetic memory including a recording device and medium that can be magnetized vertically
US6760190B2 (en) 1998-07-03 2004-07-06 Hitachi, Ltd. Magnetic head wherein one of multiple insulating layers determines a zero throat level position
USRE38585E1 (en) 1999-01-08 2004-09-14 Hitachi, Ltd. Thin film magnetic head and magnetic disk apparatus using the same

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465290A1 (en) * 1979-09-10 1981-03-20 Magnex Corp THIN FILM MAGNETIC HEAD
JPS57117117A (en) * 1981-01-09 1982-07-21 Matsushita Electric Ind Co Ltd Thin film magnetic head
JPS5942622A (en) * 1982-09-01 1984-03-09 Comput Basic Mach Technol Res Assoc Thin film magnetic head
JPS5965921A (en) * 1982-10-07 1984-04-14 Comput Basic Mach Technol Res Assoc Manufacture of thin film magnetic head
JPH0520802B2 (en) * 1982-10-15 1993-03-22 Hitachi Ltd
JPS5971115A (en) * 1982-10-15 1984-04-21 Hitachi Ltd Thin film head for vertical magnetic recording and reproduction
JPS5979413A (en) * 1982-10-27 1984-05-08 Seiko Epson Corp Magnetic head
JPH0555924B2 (en) * 1982-10-27 1993-08-18 Seiko Epson Corp
JPS6045920A (en) * 1983-08-23 1985-03-12 Fujitsu Ltd Thin film magnetic head having composite core
JPH0527163B2 (en) * 1983-08-23 1993-04-20 Fujitsu Ltd
JPS61142519A (en) * 1984-12-13 1986-06-30 Matsushita Electric Ind Co Ltd Thin film magnetic head
US4742413A (en) * 1985-12-20 1988-05-03 Siemens Akteingesellschaft Magnetic memory including a recording device and medium that can be magnetized vertically
US6760190B2 (en) 1998-07-03 2004-07-06 Hitachi, Ltd. Magnetic head wherein one of multiple insulating layers determines a zero throat level position
USRE38585E1 (en) 1999-01-08 2004-09-14 Hitachi, Ltd. Thin film magnetic head and magnetic disk apparatus using the same

Also Published As

Publication number Publication date
JPS6132722B2 (en) 1986-07-29

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