JPH022207B2 - - Google Patents
Info
- Publication number
- JPH022207B2 JPH022207B2 JP55066188A JP6618880A JPH022207B2 JP H022207 B2 JPH022207 B2 JP H022207B2 JP 55066188 A JP55066188 A JP 55066188A JP 6618880 A JP6618880 A JP 6618880A JP H022207 B2 JPH022207 B2 JP H022207B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- medium
- magnetic pole
- recording
- head
- 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 - Lifetime
Links
- 239000010408 film Substances 0.000 claims description 19
- 230000004907 flux Effects 0.000 claims description 16
- 230000005415 magnetization Effects 0.000 claims description 16
- 238000004804 winding Methods 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 4
- 239000010409 thin film Substances 0.000 claims description 2
- 229910000889 permalloy Inorganic materials 0.000 description 10
- 230000005284 excitation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 208000028341 floppy head Diseases 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6618880A JPS56163517A (en) | 1980-05-19 | 1980-05-19 | Vertical magnetization recording head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6618880A JPS56163517A (en) | 1980-05-19 | 1980-05-19 | Vertical magnetization recording head |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56163517A JPS56163517A (en) | 1981-12-16 |
JPH022207B2 true JPH022207B2 (US20100012521A1-20100121-C00001.png) | 1990-01-17 |
Family
ID=13308614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6618880A Granted JPS56163517A (en) | 1980-05-19 | 1980-05-19 | Vertical magnetization recording head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56163517A (US20100012521A1-20100121-C00001.png) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5737714A (en) * | 1980-08-20 | 1982-03-02 | Seiko Epson Corp | Magnetic head for vertical magnetic recording and reproduction |
JP2502490B2 (ja) * | 1983-08-08 | 1996-05-29 | 日本電信電話株式会社 | 垂直磁気記録ヘツド |
FR2559294B1 (fr) * | 1984-02-03 | 1988-08-12 | Commissariat Energie Atomique | Nouvelle tete magnetique d'ecriture et de lecture pour enregistrement perpendiculaire et son procede de fabrication |
US4663676A (en) * | 1985-09-13 | 1987-05-05 | International Business Machines | Return to zero vertical magnetic recording system |
US5159511A (en) * | 1987-04-01 | 1992-10-27 | Digital Equipment Corporation | Biasing conductor for MR head |
US5089334A (en) * | 1988-08-03 | 1992-02-18 | Digital Equipment Corporation | Flux spreading thin film magnetic devices |
US5085935A (en) * | 1988-08-03 | 1992-02-04 | Digital Equipment Corporation | Flux spreading thin film magnetic devices |
CA1334447C (en) * | 1988-08-03 | 1995-02-14 | Digital Equipment Corporation | Perpendicular anisotropy in thin film devices |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5255513A (en) * | 1975-10-30 | 1977-05-07 | Fujitsu Ltd | Magnetic head |
JPS5440618A (en) * | 1977-09-06 | 1979-03-30 | Tdk Corp | Magnetic head |
JPS6221178A (ja) * | 1985-07-22 | 1987-01-29 | Konishiroku Photo Ind Co Ltd | 現像装置 |
-
1980
- 1980-05-19 JP JP6618880A patent/JPS56163517A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5255513A (en) * | 1975-10-30 | 1977-05-07 | Fujitsu Ltd | Magnetic head |
JPS5440618A (en) * | 1977-09-06 | 1979-03-30 | Tdk Corp | Magnetic head |
JPS6221178A (ja) * | 1985-07-22 | 1987-01-29 | Konishiroku Photo Ind Co Ltd | 現像装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS56163517A (en) | 1981-12-16 |