JPS649645B2 - - Google Patents
Info
- Publication number
- JPS649645B2 JPS649645B2 JP11745480A JP11745480A JPS649645B2 JP S649645 B2 JPS649645 B2 JP S649645B2 JP 11745480 A JP11745480 A JP 11745480A JP 11745480 A JP11745480 A JP 11745480A JP S649645 B2 JPS649645 B2 JP S649645B2
- Authority
- JP
- Japan
- Prior art keywords
- recording
- magnetic
- recording medium
- main
- pole
- 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.)
- Expired
Links
- 238000004804 winding Methods 0.000 claims description 5
- 230000005415 magnetization Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 4
- 229910000889 permalloy Inorganic materials 0.000 description 4
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical class [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000000788 chromium alloy Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
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
- G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11745480A JPS5744212A (en) | 1980-08-26 | 1980-08-26 | Magnetic head for vertical magnetic recording and reproduction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11745480A JPS5744212A (en) | 1980-08-26 | 1980-08-26 | Magnetic head for vertical magnetic recording and reproduction |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5744212A JPS5744212A (en) | 1982-03-12 |
JPS649645B2 true JPS649645B2 (US07860544-20101228-C00003.png) | 1989-02-20 |
Family
ID=14712053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11745480A Granted JPS5744212A (en) | 1980-08-26 | 1980-08-26 | Magnetic head for vertical magnetic recording and reproduction |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5744212A (US07860544-20101228-C00003.png) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59135609A (ja) * | 1983-01-24 | 1984-08-03 | Asaka:Kk | 垂直磁気記録・再生装置 |
US4626945A (en) * | 1983-06-18 | 1986-12-02 | Toshinobu Futagawa | Magnetic head |
JPH06105481B2 (ja) * | 1983-07-27 | 1994-12-21 | 株式会社東芝 | 磁気記録再生装置 |
-
1980
- 1980-08-26 JP JP11745480A patent/JPS5744212A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5744212A (en) | 1982-03-12 |
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