JPS647301A - Bias magnetic field application device - Google Patents
Bias magnetic field application deviceInfo
- Publication number
- JPS647301A JPS647301A JP16084587A JP16084587A JPS647301A JP S647301 A JPS647301 A JP S647301A JP 16084587 A JP16084587 A JP 16084587A JP 16084587 A JP16084587 A JP 16084587A JP S647301 A JPS647301 A JP S647301A
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- pole
- magnetic field
- bias magnetic
- erasure
- 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
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16084587A JPS647301A (en) | 1987-06-30 | 1987-06-30 | Bias magnetic field application device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16084587A JPS647301A (en) | 1987-06-30 | 1987-06-30 | Bias magnetic field application device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS647301A true JPS647301A (en) | 1989-01-11 |
Family
ID=15723650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16084587A Pending JPS647301A (en) | 1987-06-30 | 1987-06-30 | Bias magnetic field application device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS647301A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5351221A (en) * | 1989-12-08 | 1994-09-27 | Ricoh Company, Ltd. | Apparatus for applying bias magnetic field including a rotatable magnet and a plurality of coils for controlling the rotation of the magnet |
US5367508A (en) * | 1993-02-10 | 1994-11-22 | Seiko Epson Corporation | Magnetic field generation mechanism for magneto-optical recording |
CN113900411A (zh) * | 2021-09-27 | 2022-01-07 | 泉州装备制造研究所 | 一种基于激光的三维磁编程装置及方法 |
-
1987
- 1987-06-30 JP JP16084587A patent/JPS647301A/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5351221A (en) * | 1989-12-08 | 1994-09-27 | Ricoh Company, Ltd. | Apparatus for applying bias magnetic field including a rotatable magnet and a plurality of coils for controlling the rotation of the magnet |
US5367508A (en) * | 1993-02-10 | 1994-11-22 | Seiko Epson Corporation | Magnetic field generation mechanism for magneto-optical recording |
CN113900411A (zh) * | 2021-09-27 | 2022-01-07 | 泉州装备制造研究所 | 一种基于激光的三维磁编程装置及方法 |
CN113900411B (zh) * | 2021-09-27 | 2024-06-07 | 泉州装备制造研究所 | 一种基于激光的三维磁编程装置及方法 |
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