JPS5290919A - Thin film magnetic head for high density recording - Google Patents
Thin film magnetic head for high density recordingInfo
- Publication number
- JPS5290919A JPS5290919A JP738676A JP738676A JPS5290919A JP S5290919 A JPS5290919 A JP S5290919A JP 738676 A JP738676 A JP 738676A JP 738676 A JP738676 A JP 738676A JP S5290919 A JPS5290919 A JP S5290919A
- Authority
- JP
- Japan
- Prior art keywords
- thin film
- high density
- magnetic head
- film magnetic
- density recording
- 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
- G11B5/3113—Details for improving the magnetic domain structure or avoiding the formation or displacement of undesirable magnetic domains
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Abstract
PURPOSE:To provide long-term stability and high recording and reproducing efficiency by making an upper magnetic body laterally oblong in shape and providing a protrusion of a track width length.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP738676A JPS5290919A (en) | 1976-01-26 | 1976-01-26 | Thin film magnetic head for high density recording |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP738676A JPS5290919A (en) | 1976-01-26 | 1976-01-26 | Thin film magnetic head for high density recording |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5290919A true JPS5290919A (en) | 1977-07-30 |
Family
ID=11664482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP738676A Pending JPS5290919A (en) | 1976-01-26 | 1976-01-26 | Thin film magnetic head for high density recording |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5290919A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2502375A1 (en) * | 1981-03-20 | 1982-09-24 | Cii Honeywell Bull | VERY HIGH DENSITY MAGNETORESISTING INFORMATION READER TRANSDUCER |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5214410A (en) * | 1975-07-23 | 1977-02-03 | Fujitsu Ltd | Film magnetic head |
-
1976
- 1976-01-26 JP JP738676A patent/JPS5290919A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5214410A (en) * | 1975-07-23 | 1977-02-03 | Fujitsu Ltd | Film magnetic head |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2502375A1 (en) * | 1981-03-20 | 1982-09-24 | Cii Honeywell Bull | VERY HIGH DENSITY MAGNETORESISTING INFORMATION READER TRANSDUCER |
US4488194A (en) * | 1981-03-20 | 1984-12-11 | Compagnie Internationale Pour L'informatique Cii-Honeywell Bull | Magnetoresistant transducer for reading very high-density data |
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