JPS6460804A - Magnetic head for magnetic recording - Google Patents
Magnetic head for magnetic recordingInfo
- Publication number
- JPS6460804A JPS6460804A JP62216457A JP21645787A JPS6460804A JP S6460804 A JPS6460804 A JP S6460804A JP 62216457 A JP62216457 A JP 62216457A JP 21645787 A JP21645787 A JP 21645787A JP S6460804 A JPS6460804 A JP S6460804A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- superconductors
- conductor
- magnetic field
- confronted
- 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
Abstract
PURPOSE:To eliminate the influence of the magnetic saturation of a magnetic material, to reduce eddy current loss, and to generate a strong magnetic field with a high frequency, by regulating the flow of a main magnetic flux within a nonmagnetic material by using a superconductive material. CONSTITUTION:A conductor 3 is sandwiched between superconductors 1 and 2 via insulating layers 4 and 5, and a cross-section exposed on respective layer is constituted so as to be confronted with a magnetic recording medium, and a current in a direction confronted with information to be recorded is impressed on the conductor 3. The magnetic field generated by the current expands to an infinite point around the conductor 3 when no superconductors 1 and 2 exist, however, since the magnetic field passes through a space sandwiched by the superconductors 1 and 2 by the superconductors 1 and 2, no regulation exists in flux density passing the space in practical use. In such a way, it is possible to generate a large magnetic field compared with the current value of the conductor 3, and also, to prevent remarkably eddy current loss from being generated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62216457A JPS6460804A (en) | 1987-09-01 | 1987-09-01 | Magnetic head for magnetic recording |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62216457A JPS6460804A (en) | 1987-09-01 | 1987-09-01 | Magnetic head for magnetic recording |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6460804A true JPS6460804A (en) | 1989-03-07 |
Family
ID=16688799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62216457A Pending JPS6460804A (en) | 1987-09-01 | 1987-09-01 | Magnetic head for magnetic recording |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6460804A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5580498A (en) * | 1992-03-13 | 1996-12-03 | Menicon Co., Ltd. | Method of producing contact lens with identifying mark permeating into lens |
-
1987
- 1987-09-01 JP JP62216457A patent/JPS6460804A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5580498A (en) * | 1992-03-13 | 1996-12-03 | Menicon Co., Ltd. | Method of producing contact lens with identifying mark permeating into lens |
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