JPS53142214A - Manufacture of magnetic head - Google Patents

Manufacture of magnetic head

Info

Publication number
JPS53142214A
JPS53142214A JP5629677A JP5629677A JPS53142214A JP S53142214 A JPS53142214 A JP S53142214A JP 5629677 A JP5629677 A JP 5629677A JP 5629677 A JP5629677 A JP 5629677A JP S53142214 A JPS53142214 A JP S53142214A
Authority
JP
Japan
Prior art keywords
magnetic head
manufacture
grinding
length part
measurement
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
JP5629677A
Other languages
Japanese (ja)
Inventor
Minoru Takahashi
Toshio Tanaka
Takashi Uchiyama
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 JP5629677A priority Critical patent/JPS53142214A/en
Publication of JPS53142214A publication Critical patent/JPS53142214A/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:Toensure an accurate and simplified measurement with a uniformed gap measurement by providing a mark substrance the length part of which changes in accordance with the grinding shift amount to the place near the slide surface and then performing the grinding while observing the change of the length part, thus enhancingthe reliability of the magnetic head.
JP5629677A 1977-05-18 1977-05-18 Manufacture of magnetic head Pending JPS53142214A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5629677A JPS53142214A (en) 1977-05-18 1977-05-18 Manufacture of magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5629677A JPS53142214A (en) 1977-05-18 1977-05-18 Manufacture of magnetic head

Publications (1)

Publication Number Publication Date
JPS53142214A true JPS53142214A (en) 1978-12-11

Family

ID=13023140

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5629677A Pending JPS53142214A (en) 1977-05-18 1977-05-18 Manufacture of magnetic head

Country Status (1)

Country Link
JP (1) JPS53142214A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5775634U (en) * 1980-10-24 1982-05-10
JPS5898825A (en) * 1981-12-09 1983-06-11 Tokyo Electric Co Ltd Working method of magnetic head for floppy disc
FR2521759A1 (en) * 1982-02-12 1983-08-19 Philips Nv MAGNETIC HEAD AND METHOD FOR MANUFACTURING THE SAME
JPS58177517A (en) * 1982-04-09 1983-10-18 Trio Kenwood Corp Manufacture of thin-film magnetic head
JPS58187022U (en) * 1982-06-03 1983-12-12 ソニー株式会社 thin film magnetic head
US4841402A (en) * 1986-01-27 1989-06-20 Hitachi, Ltd. Thin film magnetic head and method of manufacture
JPH0478013A (en) * 1990-07-12 1992-03-12 Fuji Photo Film Co Ltd Thin film magnetic head
US5305559A (en) * 1992-05-12 1994-04-26 Ngk Insulators, Ltd. Method of grinding core blank for magnetic heads, using markers for determining grinding depth for nominal magnetic gap depth

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5775634U (en) * 1980-10-24 1982-05-10
JPH0248966Y2 (en) * 1980-10-24 1990-12-21
JPS5898825A (en) * 1981-12-09 1983-06-11 Tokyo Electric Co Ltd Working method of magnetic head for floppy disc
JPH024054B2 (en) * 1981-12-09 1990-01-25 Tokyo Electric Co Ltd
FR2521759A1 (en) * 1982-02-12 1983-08-19 Philips Nv MAGNETIC HEAD AND METHOD FOR MANUFACTURING THE SAME
JPS58177517A (en) * 1982-04-09 1983-10-18 Trio Kenwood Corp Manufacture of thin-film magnetic head
JPS58187022U (en) * 1982-06-03 1983-12-12 ソニー株式会社 thin film magnetic head
JPS6323775Y2 (en) * 1982-06-03 1988-06-30
US4841402A (en) * 1986-01-27 1989-06-20 Hitachi, Ltd. Thin film magnetic head and method of manufacture
JPH0478013A (en) * 1990-07-12 1992-03-12 Fuji Photo Film Co Ltd Thin film magnetic head
US5305559A (en) * 1992-05-12 1994-04-26 Ngk Insulators, Ltd. Method of grinding core blank for magnetic heads, using markers for determining grinding depth for nominal magnetic gap depth

Similar Documents

Publication Publication Date Title
ES460990A1 (en) Material layer volume determination
JPS53142214A (en) Manufacture of magnetic head
JPS5249055A (en) Method of measuring surface roughness
JPS56104201A (en) Vernier scale tape measure
JPS53137054A (en) Testing method of soldering
JPS522547A (en) Optical method to measure displacement of plane
JPS5381110A (en) Manufacture of magnetic film head
JPS5425786A (en) Repeated bending tester
JPS5222986A (en) System for automatic measurement of viscoelasticity
JPS5280859A (en) Measuring method using interferometer
JPS53113562A (en) Optical fiber
JPS52125352A (en) Standard sample vessel for measuring thickness of coatings
JPS51134685A (en) Fluid softness measurement method
JPS5332780A (en) Measuring method of torque and bending
GB233641A (en) An improved device for measuring rail wear
JPS5333193A (en) Measuring apparatus of transformed quantity at diffusion welding
JPS533262A (en) Radiation thickness meter
JPS5380254A (en) Running locus measuring apparatus
JPS5439739A (en) Measuring instrument for consumption of lubricating oil
JPS5480768A (en) Non-contact type measurement of running distance
JPS55114904A (en) Internal hole thickness measuring method
JPS5574410A (en) Measurement of semiconductor device
JPS5211075A (en) Measuring system for surface temperature of running thread
JPS52105884A (en) Tester using eddy current
JPS52152767A (en) Automatic time width measuring system