JPH0352829U - - Google Patents
Info
- Publication number
- JPH0352829U JPH0352829U JP11137889U JP11137889U JPH0352829U JP H0352829 U JPH0352829 U JP H0352829U JP 11137889 U JP11137889 U JP 11137889U JP 11137889 U JP11137889 U JP 11137889U JP H0352829 U JPH0352829 U JP H0352829U
- Authority
- JP
- Japan
- Prior art keywords
- magneto
- optical recording
- diagram showing
- recording head
- coil
- 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.)
- Granted
Links
- 239000000758 substrate Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Description
第１図は本実施例に係る光磁気記録ヘツドを示
す構成図、第２図Ａ及びＢは本実施例に係る磁気
ヘツドを示す一部平面図及び同図ＡにおけるＡ−
Ａ線上の断面図、第３図は本実施例に係る光磁気
記録ヘツドの大容量化された光磁気デイスクに対
する作用を示す説明図、第４図は大容量化された
光磁気デイスクの他の例を示す断面図、第５図は
本実施例に係る磁気ヘツドの他の例を示す断面図
、第６図は信号の供給系を示す波形図、第７図は
信号の供給系の他の例を示す波形図、第８図Ａ及
びＢは本実施例に係る磁気ヘツドの他の例を示す
断面図及び同図ＡにおけるＢ−Ｂ線上の断面図、
第９図は従来例に係る光磁気記録ヘツドを示す構
成図、第１０図は従来例に係る光磁気記録ヘツド
の作用を示す説明図、第１１図は従来例に係る光
磁気記録ヘツドの大容量化された光磁気デイスク
に対する作用を示す説明図である。
Ａは光磁気記録ヘツド、１は光磁気デイスク、
３は光磁気記録層、５は磁気ヘツド、６は光学ヘ
ツド、７はレーザ光源、１２は対物レンズ、１３
はフエライト基板、１４はコイル、１７は透孔、
１８はテーパである。
FIG. 1 is a block diagram showing a magneto-optical recording head according to this embodiment, and FIGS. 2A and 2B are partial plan views showing the magnetic head according to this embodiment, and A--A in FIG.
3 is an explanatory diagram showing the effect of the magneto-optical recording head according to this embodiment on a magneto-optical disk with an increased capacity, and FIG. 4 is a cross-sectional view taken along the A-line. FIG. 5 is a cross-sectional view showing another example of the magnetic head according to the present embodiment, FIG. 6 is a waveform diagram showing the signal supply system, and FIG. 7 is another example of the signal supply system. A waveform diagram showing an example; FIGS. 8A and 8B are cross-sectional views showing other examples of the magnetic head according to the present embodiment; and a cross-sectional view taken along line B-B in FIG.
FIG. 9 is a configuration diagram showing a magneto-optical recording head according to a conventional example, FIG. 10 is an explanatory diagram showing the operation of a magneto-optical recording head according to a conventional example, and FIG. 11 is a diagram showing the size of a magneto-optical recording head according to a conventional example. FIG. 3 is an explanatory diagram showing an effect on a magneto-optical disk having a capacitance. A is a magneto-optical recording head, 1 is a magneto-optical disk,
3 is a magneto-optical recording layer, 5 is a magnetic head, 6 is an optical head, 7 is a laser light source, 12 is an objective lens, 13
is a ferrite substrate, 14 is a coil, 17 is a through hole,
18 is a taper.
Claims (1)
他面にレーザ光源と対物レンズが配され、上記磁
性基板の上記コイルの中央部分と対応する箇所に
上記一面から上記他面に広がるテーパ状の透孔が
形成されてなる光磁気記録ヘツド。 A coil is formed on one side of a thin magnetic substrate,
A magneto-optical recording head, wherein a laser light source and an objective lens are disposed on the other surface, and a tapered through hole extending from the one surface to the other surface is formed at a location corresponding to the central portion of the coil of the magnetic substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989111378U JP2524141Y2 (en) | 1989-09-22 | 1989-09-22 | Magneto-optical recording head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989111378U JP2524141Y2 (en) | 1989-09-22 | 1989-09-22 | Magneto-optical recording head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0352829U true JPH0352829U (en) | 1991-05-22 |
| JP2524141Y2 JP2524141Y2 (en) | 1997-01-29 |
Family
ID=31659862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989111378U Expired - Fee Related JP2524141Y2 (en) | 1989-09-22 | 1989-09-22 | Magneto-optical recording head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2524141Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60261052A (en) * | 1984-06-06 | 1985-12-24 | Fujitsu Ltd | Optical head for optomagnetic disc |
| JPS6413203A (en) * | 1987-07-06 | 1989-01-18 | Nec Corp | Thin film electromagnet impressing magnetic field for optical magnetic disk |
| JPH01217703A (en) * | 1988-02-24 | 1989-08-31 | Hitachi Metals Ltd | Magnetic head for magneto-optical recording |
| JPH01236412A (en) * | 1988-03-17 | 1989-09-21 | Hitachi Maxell Ltd | Magneto-optical head |
-
1989
- 1989-09-22 JP JP1989111378U patent/JP2524141Y2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60261052A (en) * | 1984-06-06 | 1985-12-24 | Fujitsu Ltd | Optical head for optomagnetic disc |
| JPS6413203A (en) * | 1987-07-06 | 1989-01-18 | Nec Corp | Thin film electromagnet impressing magnetic field for optical magnetic disk |
| JPH01217703A (en) * | 1988-02-24 | 1989-08-31 | Hitachi Metals Ltd | Magnetic head for magneto-optical recording |
| JPH01236412A (en) * | 1988-03-17 | 1989-09-21 | Hitachi Maxell Ltd | Magneto-optical head |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2524141Y2 (en) | 1997-01-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |