JPS545708A - Production of thin-film magnetic heads - Google Patents
Production of thin-film magnetic headsInfo
- Publication number
- JPS545708A JPS545708A JP7001377A JP7001377A JPS545708A JP S545708 A JPS545708 A JP S545708A JP 7001377 A JP7001377 A JP 7001377A JP 7001377 A JP7001377 A JP 7001377A JP S545708 A JPS545708 A JP S545708A
- Authority
- JP
- Japan
- Prior art keywords
- thin
- production
- film magnetic
- magnetic heads
- polishing
- 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
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
- G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
-
- 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
-
- 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
- G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
-
- 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
- G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers
- G11B5/3166—Testing or indicating in relation thereto, e.g. before the fabrication is completed
-
- 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
- G11B5/455—Arrangements for functional testing of heads; Measuring arrangements for heads
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Abstract
PURPOSE: To determine the completion of working of gaps and enhance dimensional accuracy by detecting the inductance change when a closed magnetic circuit is cut off by polishing.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7001377A JPS545708A (en) | 1977-06-15 | 1977-06-15 | Production of thin-film magnetic heads |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7001377A JPS545708A (en) | 1977-06-15 | 1977-06-15 | Production of thin-film magnetic heads |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS545708A true JPS545708A (en) | 1979-01-17 |
Family
ID=13419285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7001377A Pending JPS545708A (en) | 1977-06-15 | 1977-06-15 | Production of thin-film magnetic heads |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS545708A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4727643A (en) * | 1985-04-15 | 1988-03-01 | Siemens Aktiengesellschaft | Method for manufacturing a magnetic head by a thin-film technique |
JPS6384711U (en) * | 1986-11-22 | 1988-06-03 | ||
JPS6384712U (en) * | 1986-11-22 | 1988-06-03 | ||
JPS63261509A (en) * | 1987-04-20 | 1988-10-28 | Canon Electronics Inc | Production of thin film magnetic head |
US5236735A (en) * | 1989-05-27 | 1993-08-17 | Tdk Corporation | Method of producing a thin film magnetic head |
-
1977
- 1977-06-15 JP JP7001377A patent/JPS545708A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4727643A (en) * | 1985-04-15 | 1988-03-01 | Siemens Aktiengesellschaft | Method for manufacturing a magnetic head by a thin-film technique |
JPS6384711U (en) * | 1986-11-22 | 1988-06-03 | ||
JPS6384712U (en) * | 1986-11-22 | 1988-06-03 | ||
JPH0433528Y2 (en) * | 1986-11-22 | 1992-08-11 | ||
JPH0433527Y2 (en) * | 1986-11-22 | 1992-08-11 | ||
JPS63261509A (en) * | 1987-04-20 | 1988-10-28 | Canon Electronics Inc | Production of thin film magnetic head |
US5236735A (en) * | 1989-05-27 | 1993-08-17 | Tdk Corporation | Method of producing a thin film magnetic head |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS545708A (en) | Production of thin-film magnetic heads | |
JPS5237413A (en) | Magnetic recorder | |
JPS53102711A (en) | Information retrieving device for magnetic tape | |
JPS5284950A (en) | Pulse width setting unit | |
JPS5436707A (en) | Tape counter devce for tape recorder | |
JPS5223910A (en) | Magnetic tape unit | |
JPS5431784A (en) | Magnetism detecting element | |
JPS53135315A (en) | Production of magnetic head | |
JPS52123610A (en) | Production of magnetic head | |
JPS526547A (en) | Magnetic signal reader making use hole head | |
JPS5233714A (en) | Thin film magnetic head | |
JPS5442108A (en) | Magnetic recorder-reproducer | |
JPS5434098A (en) | Surface working of ferrite | |
JPS53133420A (en) | Magnetic head and production of the same | |
JPS5255511A (en) | Attaching procedure of tape guide on magnetic head | |
JPS5258462A (en) | Marking device | |
JPS51123112A (en) | Magnetic recording medium | |
JPS5419723A (en) | Circuit for tape recorder | |
JPS52151016A (en) | Floating head slider | |
JPS5211909A (en) | Magnetic recorder | |
JPS52108925A (en) | Protease inhibitor | |
JPS51141682A (en) | Vickers hardness measuring system | |
JPS5364507A (en) | Data part starting mark detector of magnetic recording | |
JPS5366720A (en) | Magnetic head | |
JPS51146207A (en) | Device for positioning magnetic head with belt |