JPH0449060B2 - - Google Patents
Info
- Publication number
- JPH0449060B2 JPH0449060B2 JP1610586A JP1610586A JPH0449060B2 JP H0449060 B2 JPH0449060 B2 JP H0449060B2 JP 1610586 A JP1610586 A JP 1610586A JP 1610586 A JP1610586 A JP 1610586A JP H0449060 B2 JPH0449060 B2 JP H0449060B2
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- reflectance
- change
- optical recording
- optical
- 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
- 230000003287 optical effect Effects 0.000 claims description 45
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 230000007547 defect Effects 0.000 claims description 13
- 238000007689 inspection Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 3
- 230000009191 jumping Effects 0.000 claims 1
- 239000010409 thin film Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Optical Recording Or Reproduction (AREA)
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1610586A JPS62174638A (ja) | 1986-01-28 | 1986-01-28 | 光記録媒体製造検査装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1610586A JPS62174638A (ja) | 1986-01-28 | 1986-01-28 | 光記録媒体製造検査装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62174638A JPS62174638A (ja) | 1987-07-31 |
| JPH0449060B2 true JPH0449060B2 (en, 2012) | 1992-08-10 |
Family
ID=11907235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1610586A Granted JPS62174638A (ja) | 1986-01-28 | 1986-01-28 | 光記録媒体製造検査装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62174638A (en, 2012) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4920442A (en) * | 1988-09-08 | 1990-04-24 | Quantum Corporation | Releasable servo writing fixture connector |
| JPH03124332U (en, 2012) * | 1990-03-27 | 1991-12-17 | ||
| JP3302919B2 (ja) | 1997-11-27 | 2002-07-15 | 株式会社リコー | 光記録媒体の初期化方法及び初期化装置 |
| EP3002061B1 (en) | 2014-05-30 | 2019-07-10 | Koritsu Industries Co. Ltd. | Pulverizer |
-
1986
- 1986-01-28 JP JP1610586A patent/JPS62174638A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62174638A (ja) | 1987-07-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |