JPS6149730B2 - - Google Patents
Info
- Publication number
- JPS6149730B2 JPS6149730B2 JP52152252A JP15225277A JPS6149730B2 JP S6149730 B2 JPS6149730 B2 JP S6149730B2 JP 52152252 A JP52152252 A JP 52152252A JP 15225277 A JP15225277 A JP 15225277A JP S6149730 B2 JPS6149730 B2 JP S6149730B2
- Authority
- JP
- Japan
- Prior art keywords
- slit
- diffracted light
- imaging lens
- light
- laser beam
- 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.)
- Expired
Links
Landscapes
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15225277A JPS5483810A (en) | 1977-12-17 | 1977-12-17 | Optical recording method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15225277A JPS5483810A (en) | 1977-12-17 | 1977-12-17 | Optical recording method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5483810A JPS5483810A (en) | 1979-07-04 |
| JPS6149730B2 true JPS6149730B2 (enrdf_load_stackoverflow) | 1986-10-30 |
Family
ID=15536410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15225277A Granted JPS5483810A (en) | 1977-12-17 | 1977-12-17 | Optical recording method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5483810A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57176014A (en) * | 1981-04-21 | 1982-10-29 | Fujitsu Ltd | Combined lens |
| JPS61236026A (ja) * | 1985-04-10 | 1986-10-21 | Matsushita Electric Ind Co Ltd | 情報記録原盤記録方法 |
| JPH07104563B2 (ja) * | 1986-09-24 | 1995-11-13 | 株式会社ニコン | 露光装置用照明光学装置 |
| JP2723986B2 (ja) * | 1989-08-02 | 1998-03-09 | 株式会社日立製作所 | 光ディスク原盤の作製方法 |
| KR20030019692A (ko) * | 2001-08-30 | 2003-03-07 | 삼성전자주식회사 | 다중광 형성 방법 |
| JP6552043B2 (ja) * | 2014-11-04 | 2019-07-31 | オリンパス株式会社 | シート照明顕微鏡 |
-
1977
- 1977-12-17 JP JP15225277A patent/JPS5483810A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5483810A (en) | 1979-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5097464A (en) | Optical recording medium and optical recording/reproducing apparatus | |
| US5161135A (en) | Magneto-optical disc memory apparatus including a header signal and magneto-optical signal level adjusting circuit | |
| US5756265A (en) | Multilayer optical disc and method of making same | |
| US7313072B2 (en) | Method for recording and reproducing holographic data and holographic recording medium | |
| US5412635A (en) | Optical disk with signal pit recording format, method of recording same and optical pickup | |
| JP2000357343A (ja) | 光記録媒体及び光記録媒体製造用原盤 | |
| JPS6149730B2 (enrdf_load_stackoverflow) | ||
| US6118574A (en) | Exposure apparatus | |
| US4521876A (en) | Focusing state monitoring apparatus in optical recording apparatus | |
| EP0195227A2 (en) | Magneto-optical disc memory | |
| JPS6330701B2 (enrdf_load_stackoverflow) | ||
| JPS6126136B2 (enrdf_load_stackoverflow) | ||
| US7274649B2 (en) | Holographic ROM system | |
| JPH0555937B2 (enrdf_load_stackoverflow) | ||
| JPS60236132A (ja) | 光学式記録再生装置 | |
| JPS6161451B2 (enrdf_load_stackoverflow) | ||
| JP2619850B2 (ja) | 情報記録媒体 | |
| JPS6226816Y2 (enrdf_load_stackoverflow) | ||
| KR800000203B1 (ko) | 광학적 기록방법 | |
| JPH0531219B2 (enrdf_load_stackoverflow) | ||
| JPH05266492A (ja) | 光ディスク装置 | |
| JPH0273541A (ja) | 光ディスク製造方法 | |
| JPH0827944B2 (ja) | 光ディスクの製造方法 | |
| JPS6325844A (ja) | 光学ヘツド | |
| JPS6139248A (ja) | 光情報記録担体 |