JPH0216245Y2 - - Google Patents
Info
- Publication number
- JPH0216245Y2 JPH0216245Y2 JP12977983U JP12977983U JPH0216245Y2 JP H0216245 Y2 JPH0216245 Y2 JP H0216245Y2 JP 12977983 U JP12977983 U JP 12977983U JP 12977983 U JP12977983 U JP 12977983U JP H0216245 Y2 JPH0216245 Y2 JP H0216245Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- measured
- pit
- measurement
- measuring
- 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 20
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 25
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 15
- 238000000691 measurement method Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 9
- 229910052759 nickel Inorganic materials 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005323 electroforming Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12977983U JPS6037807U (ja) | 1983-08-24 | 1983-08-24 | 光学式デイスクのピツト測定器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12977983U JPS6037807U (ja) | 1983-08-24 | 1983-08-24 | 光学式デイスクのピツト測定器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6037807U JPS6037807U (ja) | 1985-03-15 |
| JPH0216245Y2 true JPH0216245Y2 (enrdf_load_stackoverflow) | 1990-05-02 |
Family
ID=30293946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12977983U Granted JPS6037807U (ja) | 1983-08-24 | 1983-08-24 | 光学式デイスクのピツト測定器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6037807U (enrdf_load_stackoverflow) |
-
1983
- 1983-08-24 JP JP12977983U patent/JPS6037807U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6037807U (ja) | 1985-03-15 |