JPH01162122U - - Google Patents
Info
- Publication number
- JPH01162122U JPH01162122U JP5710088U JP5710088U JPH01162122U JP H01162122 U JPH01162122 U JP H01162122U JP 5710088 U JP5710088 U JP 5710088U JP 5710088 U JP5710088 U JP 5710088U JP H01162122 U JPH01162122 U JP H01162122U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- standard sample
- film
- sample pieces
- same circumference
- 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
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
Landscapes
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5710088U JP2505761Y2 (ja) | 1988-04-27 | 1988-04-27 | 光ディスク検査装置校正用基準板 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5710088U JP2505761Y2 (ja) | 1988-04-27 | 1988-04-27 | 光ディスク検査装置校正用基準板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01162122U true JPH01162122U (en]) | 1989-11-10 |
| JP2505761Y2 JP2505761Y2 (ja) | 1996-07-31 |
Family
ID=31282955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5710088U Expired - Lifetime JP2505761Y2 (ja) | 1988-04-27 | 1988-04-27 | 光ディスク検査装置校正用基準板 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2505761Y2 (en]) |
-
1988
- 1988-04-27 JP JP5710088U patent/JP2505761Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2505761Y2 (ja) | 1996-07-31 |
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