JPS62153625U - - Google Patents
Info
- Publication number
- JPS62153625U JPS62153625U JP1987019142U JP1914287U JPS62153625U JP S62153625 U JPS62153625 U JP S62153625U JP 1987019142 U JP1987019142 U JP 1987019142U JP 1914287 U JP1914287 U JP 1914287U JP S62153625 U JPS62153625 U JP S62153625U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- magneto
- thin film
- annular groove
- circumferential edge
- 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
- 239000010409 thin film Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１図は本考案の一実施例における光磁気記録
円板の上面図、第２図は同断面図、第３図は本考
案の他の実施例の光磁気記録円板の上面図、第４
図は同断面図である。 １，１１……円板、２，１２……孔、３，１４
……磁気光学薄膜、４，１５……透明保護円板、
５，１６……孔、６，６′，１３，１３′……環
状溝、７，７′，１７，１７′……接着剤、８，
１８……光磁気記録円板。
円板の上面図、第２図は同断面図、第３図は本考
案の他の実施例の光磁気記録円板の上面図、第４
図は同断面図である。 １，１１……円板、２，１２……孔、３，１４
……磁気光学薄膜、４，１５……透明保護円板、
５，１６……孔、６，６′，１３，１３′……環
状溝、７，７′，１７，１７′……接着剤、８，
１８……光磁気記録円板。
Claims (1)
- 中央に孔が形成された円板上に磁気光学薄膜が
形成され、上記中央に孔が形成された透明保護円
板を上記円板の磁気光学薄膜側に接着剤で接着さ
れる光磁気記録円板であつて、上記磁気光学薄膜
が形成された円板の内周縁近傍および外周縁近傍
に第１、第２の環状溝が構成され、上記第１の環
状溝の内周縁側と上記第２の環状溝の外周縁側と
に塗布された接着剤で上記円板と透明保護円板と
が接着された光磁気記録円板。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987019142U JPH0351782Y2 (ja) | 1987-02-12 | 1987-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987019142U JPH0351782Y2 (ja) | 1987-02-12 | 1987-02-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62153625U true JPS62153625U (ja) | 1987-09-29 |
| JPH0351782Y2 JPH0351782Y2 (ja) | 1991-11-07 |
Family
ID=30813472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987019142U Expired JPH0351782Y2 (ja) | 1987-02-12 | 1987-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0351782Y2 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6368128U (ja) * | 1986-10-24 | 1988-05-09 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51107129U (ja) * | 1975-02-21 | 1976-08-27 | ||
| JPS5424008A (en) * | 1977-07-26 | 1979-02-23 | Fujitsu Ltd | Magnetic recording and photo reproducing system |
| JPS54111107U (ja) * | 1978-01-24 | 1979-08-04 |
-
1987
- 1987-02-12 JP JP1987019142U patent/JPH0351782Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51107129U (ja) * | 1975-02-21 | 1976-08-27 | ||
| JPS5424008A (en) * | 1977-07-26 | 1979-02-23 | Fujitsu Ltd | Magnetic recording and photo reproducing system |
| JPS54111107U (ja) * | 1978-01-24 | 1979-08-04 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6368128U (ja) * | 1986-10-24 | 1988-05-09 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0351782Y2 (ja) | 1991-11-07 |