JPS63142003U - - Google Patents
Info
- Publication number
- JPS63142003U JPS63142003U JP3271987U JP3271987U JPS63142003U JP S63142003 U JPS63142003 U JP S63142003U JP 3271987 U JP3271987 U JP 3271987U JP 3271987 U JP3271987 U JP 3271987U JP S63142003 U JPS63142003 U JP S63142003U
- Authority
- JP
- Japan
- Prior art keywords
- magneto
- optical disk
- heating
- heating means
- disk device
- 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
- 238000010438 heat treatment Methods 0.000 claims 5
- 230000005415 magnetization Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Description
第１図は本考案による光磁気デイスク装置の第
１実施例を示す概略的斜視図、第２図は本考案の
第２実施例を示す概略的斜視図、第３図は従来装
置を示す概略的斜視図、第４図は保磁力と温度と
の関係を示す略線図である。
１…光磁気デイスク、２…対物レンズ、３…対
物レンズ支持部材、４…ヒータ、５…光源、６…
集光レンズ。
FIG. 1 is a schematic perspective view showing a first embodiment of a magneto-optical disk device according to the present invention, FIG. 2 is a schematic perspective view showing a second embodiment of the present invention, and FIG. 3 is a schematic perspective view showing a conventional device. FIG. 4 is a schematic diagram showing the relationship between coercive force and temperature. DESCRIPTION OF SYMBOLS 1... Magneto-optical disk, 2... Objective lens, 3... Objective lens support member, 4... Heater, 5... Light source, 6...
Condenser lens.
Claims (1)
の加熱手段によつて上記光磁気デイスクを加熱し
、垂直磁化方向を可変させて情報の記録、消去を
行う光磁気デイスク装置において、 上記光磁気デイスクを上記第１の加熱手段の加
熱に加えて加熱する第２の加熱手段を設けたこと
を特徴とする光磁気デイスク装置。[Claims for Utility Model Registration]
In a magneto-optical disk device that records and erases information by heating the magneto-optical disk by the first heating means and varying the perpendicular magnetization direction, the magneto-optical disk is heated by the first heating means; A magneto-optical disk device characterized by being provided with a second heating means for heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3271987U JPS63142003U (en) | 1987-03-06 | 1987-03-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3271987U JPS63142003U (en) | 1987-03-06 | 1987-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63142003U true JPS63142003U (en) | 1988-09-19 |
Family
ID=30839668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3271987U Pending JPS63142003U (en) | 1987-03-06 | 1987-03-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63142003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63271747A (en) * | 1987-04-30 | 1988-11-09 | Fujitsu Ltd | Recording method for information to magneto-optical disk |
-
1987
- 1987-03-06 JP JP3271987U patent/JPS63142003U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63271747A (en) * | 1987-04-30 | 1988-11-09 | Fujitsu Ltd | Recording method for information to magneto-optical disk |
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