JPS61140443U - - Google Patents
Info
- Publication number
- JPS61140443U JPS61140443U JP2330585U JP2330585U JPS61140443U JP S61140443 U JPS61140443 U JP S61140443U JP 2330585 U JP2330585 U JP 2330585U JP 2330585 U JP2330585 U JP 2330585U JP S61140443 U JPS61140443 U JP S61140443U
- Authority
- JP
- Japan
- Prior art keywords
- magneto
- utility
- optical disk
- model registration
- pits
- 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
- 239000000758 substrate Substances 0.000 claims description 2
Landscapes
- Optical Recording Or Reproduction (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Description
第１図および第２図は、本考案に係る光磁気デ
イスクの構造を示す一部断面拡大図であり、第３
図は従来例を示す断面図である。
尚、図面に用いた同一符号は同一内容を表わす
。１……デイスク基板、２……ビツト、３……記
録膜。
1 and 2 are partially enlarged cross-sectional views showing the structure of the magneto-optical disk according to the present invention;
The figure is a sectional view showing a conventional example. Note that the same reference numerals used in the drawings represent the same contents. 1...Disk substrate, 2...Bit, 3...Recording film.
Claims (1)
録ビツトを記録できるピツトを多数配設したこと
を特徴とする光磁気デイスク。 (2) 実用新案登録請求の範囲第１項記載のピツ
トを凹または凸形状としたことを特徴とする光磁
気デイスク。[Claims for Utility Model Registration] (1) A magneto-optical disk characterized in that a large number of pits capable of recording recording bits in units of one bit are arranged on the surface of a disk substrate. (2) A magneto-optical disk characterized in that the pits described in claim 1 of the utility model registration claim have a concave or convex shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2330585U JPS61140443U (en) | 1985-02-20 | 1985-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2330585U JPS61140443U (en) | 1985-02-20 | 1985-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61140443U true JPS61140443U (en) | 1986-08-30 |
Family
ID=30516420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2330585U Pending JPS61140443U (en) | 1985-02-20 | 1985-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61140443U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0256748A (en) * | 1988-08-22 | 1990-02-26 | Sharp Corp | Optical memory element |
| JPH02177022A (en) * | 1988-12-27 | 1990-07-10 | Sharp Corp | Optical memory device |
| WO1995026548A1 (en) * | 1994-03-25 | 1995-10-05 | Hitachi, Ltd. | High density information recording and reproducing method |
| US7604878B2 (en) | 2004-09-06 | 2009-10-20 | Sanyo Electric Co., Ltd. | Magneto-optical recording medium and layer structure |
-
1985
- 1985-02-20 JP JP2330585U patent/JPS61140443U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0256748A (en) * | 1988-08-22 | 1990-02-26 | Sharp Corp | Optical memory element |
| JPH02177022A (en) * | 1988-12-27 | 1990-07-10 | Sharp Corp | Optical memory device |
| WO1995026548A1 (en) * | 1994-03-25 | 1995-10-05 | Hitachi, Ltd. | High density information recording and reproducing method |
| US7604878B2 (en) | 2004-09-06 | 2009-10-20 | Sanyo Electric Co., Ltd. | Magneto-optical recording medium and layer structure |
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