JPH0560562B2 - - Google Patents
Info
- Publication number
- JPH0560562B2 JPH0560562B2 JP22612085A JP22612085A JPH0560562B2 JP H0560562 B2 JPH0560562 B2 JP H0560562B2 JP 22612085 A JP22612085 A JP 22612085A JP 22612085 A JP22612085 A JP 22612085A JP H0560562 B2 JPH0560562 B2 JP H0560562B2
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor laser
- automatic focusing
- photomask
- amplifier
- chrome
- 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 - Lifetime
Links
Landscapes
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60226120A JPS6285211A (ja) | 1985-10-09 | 1985-10-09 | ホトマスク顕微鏡自動焦点装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60226120A JPS6285211A (ja) | 1985-10-09 | 1985-10-09 | ホトマスク顕微鏡自動焦点装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6285211A JPS6285211A (ja) | 1987-04-18 |
| JPH0560562B2 true JPH0560562B2 (en:Method) | 1993-09-02 |
Family
ID=16840150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60226120A Granted JPS6285211A (ja) | 1985-10-09 | 1985-10-09 | ホトマスク顕微鏡自動焦点装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6285211A (en:Method) |
-
1985
- 1985-10-09 JP JP60226120A patent/JPS6285211A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6285211A (ja) | 1987-04-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5814332A (ja) | 光学式情報再生装置 | |
| MY123157A (en) | Optical disc device and optical disc discriminating method | |
| JPH0147762B2 (en:Method) | ||
| JPS6358321U (en:Method) | ||
| CA2398540A1 (en) | Method for generating control output for a position control loop | |
| JPH0436794B2 (en:Method) | ||
| JPH0560562B2 (en:Method) | ||
| JPS6318354B2 (en:Method) | ||
| JPS6138774Y2 (en:Method) | ||
| JPS6131907A (ja) | 膜厚測定装置 | |
| JPS57200912A (en) | Information recording system | |
| JPS63220990A (ja) | 偏位型自動焦点機構 | |
| JPS57172306A (en) | Focus controller of optical recording system | |
| JPS6120930B2 (en:Method) | ||
| JPS62244588A (ja) | 自動焦点機構 | |
| JPS6295742A (ja) | レ−ザ露光装置 | |
| JP2529049B2 (ja) | 光学式変位計 | |
| JPS63285730A (ja) | 光ディスク装置の自動焦点制御方法 | |
| JPS57164445A (en) | Information recording device | |
| JPS6131382Y2 (en:Method) | ||
| JPS6488931A (en) | Servo optical pick-up device | |
| JP2001074446A (ja) | 焦点検出装置 | |
| JPS627610B2 (en:Method) | ||
| JPS6437607U (en:Method) | ||
| JPS5965815A (ja) | 焦点検出装置 |