JPH0629784Y2 - 光学式ピックアップの光学装置 - Google Patents
光学式ピックアップの光学装置Info
- Publication number
- JPH0629784Y2 JPH0629784Y2 JP15361687U JP15361687U JPH0629784Y2 JP H0629784 Y2 JPH0629784 Y2 JP H0629784Y2 JP 15361687 U JP15361687 U JP 15361687U JP 15361687 U JP15361687 U JP 15361687U JP H0629784 Y2 JPH0629784 Y2 JP H0629784Y2
- Authority
- JP
- Japan
- Prior art keywords
- optical
- objective lens
- antireflection film
- recording surface
- lens
- 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
- 230000003287 optical effect Effects 0.000 title claims description 59
- 239000004065 semiconductor Substances 0.000 claims description 10
- 239000011247 coating layer Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000010287 polarization Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Landscapes
- Optical Head (AREA)
- Lens Barrels (AREA)
- Surface Treatment Of Optical Elements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15361687U JPH0629784Y2 (ja) | 1987-10-06 | 1987-10-06 | 光学式ピックアップの光学装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15361687U JPH0629784Y2 (ja) | 1987-10-06 | 1987-10-06 | 光学式ピックアップの光学装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0159918U JPH0159918U (enrdf_load_stackoverflow) | 1989-04-14 |
| JPH0629784Y2 true JPH0629784Y2 (ja) | 1994-08-10 |
Family
ID=31429619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15361687U Expired - Lifetime JPH0629784Y2 (ja) | 1987-10-06 | 1987-10-06 | 光学式ピックアップの光学装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0629784Y2 (enrdf_load_stackoverflow) |
-
1987
- 1987-10-06 JP JP15361687U patent/JPH0629784Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0159918U (enrdf_load_stackoverflow) | 1989-04-14 |
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