JPH087530Y2 - 対物レンズ駆動装置 - Google Patents
対物レンズ駆動装置Info
- Publication number
- JPH087530Y2 JPH087530Y2 JP1987193241U JP19324187U JPH087530Y2 JP H087530 Y2 JPH087530 Y2 JP H087530Y2 JP 1987193241 U JP1987193241 U JP 1987193241U JP 19324187 U JP19324187 U JP 19324187U JP H087530 Y2 JPH087530 Y2 JP H087530Y2
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- lens holder
- porous ceramic
- lens
- support shaft
- 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
- 239000000919 ceramic Substances 0.000 claims description 14
- 229920003023 plastic Polymers 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 6
- 229910010293 ceramic material Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920001800 Shellac Polymers 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 1
- 229940113147 shellac Drugs 0.000 description 1
- 235000013874 shellac Nutrition 0.000 description 1
- 239000004208 shellac Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987193241U JPH087530Y2 (ja) | 1987-12-18 | 1987-12-18 | 対物レンズ駆動装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987193241U JPH087530Y2 (ja) | 1987-12-18 | 1987-12-18 | 対物レンズ駆動装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0197418U JPH0197418U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-06-28 |
| JPH087530Y2 true JPH087530Y2 (ja) | 1996-03-04 |
Family
ID=31484049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987193241U Expired - Lifetime JPH087530Y2 (ja) | 1987-12-18 | 1987-12-18 | 対物レンズ駆動装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH087530Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59223947A (ja) * | 1983-06-03 | 1984-12-15 | Matsushita Electric Ind Co Ltd | 対物レンズ駆動装置 |
| JPS60182025A (ja) * | 1984-02-28 | 1985-09-17 | Toshiba Corp | 光学的情報処理装置の対物レンズ駆動装置 |
-
1987
- 1987-12-18 JP JP1987193241U patent/JPH087530Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0197418U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-06-28 |