JPS5214410A - Film magnetic head - Google Patents

Film magnetic head

Info

Publication number
JPS5214410A
JPS5214410A JP9060175A JP9060175A JPS5214410A JP S5214410 A JPS5214410 A JP S5214410A JP 9060175 A JP9060175 A JP 9060175A JP 9060175 A JP9060175 A JP 9060175A JP S5214410 A JPS5214410 A JP S5214410A
Authority
JP
Japan
Prior art keywords
magnetic head
film magnetic
improve
track
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.)
Pending
Application number
JP9060175A
Other languages
Japanese (ja)
Inventor
Kunio Hata
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 JP9060175A priority Critical patent/JPS5214410A/en
Publication of JPS5214410A publication Critical patent/JPS5214410A/en
Pending legal-status Critical Current

Links

Landscapes

  • Magnetic Heads (AREA)

Abstract

PURPOSE: To improve the track width accuracy and magnetic disorder at the hedges of the track by removing the parts of the surface of the film head along both sides of the magnetic media contacting the head surface, consequently to improve S/N ration.
COPYRIGHT: (C)1977,JPO&Japio
JP9060175A 1975-07-23 1975-07-23 Film magnetic head Pending JPS5214410A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9060175A JPS5214410A (en) 1975-07-23 1975-07-23 Film magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9060175A JPS5214410A (en) 1975-07-23 1975-07-23 Film magnetic head

Publications (1)

Publication Number Publication Date
JPS5214410A true JPS5214410A (en) 1977-02-03

Family

ID=14002980

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9060175A Pending JPS5214410A (en) 1975-07-23 1975-07-23 Film magnetic head

Country Status (1)

Country Link
JP (1) JPS5214410A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5290919A (en) * 1976-01-26 1977-07-30 Nippon Telegr & Teleph Corp <Ntt> Thin film magnetic head for high density recording
JPS5693112A (en) * 1979-12-25 1981-07-28 Fujitsu Ltd Production of thin-film magnetic head
US6111723A (en) * 1990-04-16 2000-08-29 Hitachi, Ltd. Narrow track thin film magnetic head suitable for high density recording and reproducing operations and fabrication method thereof wherein an air bearing surface has at least one groove containing a non-magnetic electrically conductive layer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49121513A (en) * 1973-03-22 1974-11-20
JPS5195824A (en) * 1975-01-10 1976-08-23

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49121513A (en) * 1973-03-22 1974-11-20
JPS5195824A (en) * 1975-01-10 1976-08-23

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5290919A (en) * 1976-01-26 1977-07-30 Nippon Telegr & Teleph Corp <Ntt> Thin film magnetic head for high density recording
JPS5693112A (en) * 1979-12-25 1981-07-28 Fujitsu Ltd Production of thin-film magnetic head
US6111723A (en) * 1990-04-16 2000-08-29 Hitachi, Ltd. Narrow track thin film magnetic head suitable for high density recording and reproducing operations and fabrication method thereof wherein an air bearing surface has at least one groove containing a non-magnetic electrically conductive layer
US6278578B1 (en) 1990-04-16 2001-08-21 Hitachi, Ltd. Narrow track thin film head having a focused ion beam etched air bearing surface
US6307707B1 (en) 1990-04-16 2001-10-23 Hitachi, Ltd. Narrow track thin film head including magnetic poles machined by focused ion beam etching
US6538844B2 (en) 1990-04-16 2003-03-25 Hitachi, Ltd. Method of fabricating a magnetic head by focused ion beam etching
US6665141B2 (en) 1990-04-16 2003-12-16 Hitachi, Ltd. Magnetic head having track width defined by trench portions filled with magnetic shield material
US6839200B2 (en) 1990-04-16 2005-01-04 Hitachi, Ltd. Combination perpendicular magnetic head having shield material formed at both ends of an upper pole of a write element

Similar Documents

Publication Publication Date Title
JPS51147310A (en) Production method of magnetic head
JPS51114044A (en) Electronic register
JPS5317014A (en) Recording-reproducing device
JPS5434805A (en) Data recording system
JPS53121523A (en) Optical character reading unit
JPS5211922A (en) Floating type film magnetic head
JPS5226815A (en) Magnetic head
JPS53149007A (en) Magnetic tape running deive system for magnetic recording and reproducing apparatus
JPS5395836A (en) Capstain and its manufacture
JPS5269114A (en) Magnetic floating car
JPS5373118A (en) Positioning system for magnetic disk apparatus
JPS5211909A (en) Magnetic recorder
JPS51123112A (en) Magnetic recording medium
JPS528805A (en) Magnetic recording tape
JPS5280821A (en) Tape form medium guide
JPS535612A (en) Floating head device
JPS5275311A (en) Magnetic reproduction head
JPS5311013A (en) Magnetic recording apparatus
JPS53106008A (en) Manufacture of magnetic head
JPS51124412A (en) Method to produce the magnetic head
JPS51150233A (en) Picture multiplication recording and regenerating device
JPS51117015A (en) Recording and refroducing device
JPS51117016A (en) Recording and refroducing device
JPS5385414A (en) Narrow track-multielement magnetic head and its manufacture
JPS51143312A (en) Magnetic head