JPS4890249A - - Google Patents
Info
- Publication number
- JPS4890249A JPS4890249A JP47020254A JP2025472A JPS4890249A JP S4890249 A JPS4890249 A JP S4890249A JP 47020254 A JP47020254 A JP 47020254A JP 2025472 A JP2025472 A JP 2025472A JP S4890249 A JPS4890249 A JP S4890249A
- Authority
- JP
- Japan
- 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
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Surface Treatment Of Optical Elements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47020254A JPS526093B2 (en:Method) | 1972-02-29 | 1972-02-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47020254A JPS526093B2 (en:Method) | 1972-02-29 | 1972-02-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4890249A true JPS4890249A (en:Method) | 1973-11-24 |
| JPS526093B2 JPS526093B2 (en:Method) | 1977-02-18 |
Family
ID=12022046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47020254A Expired JPS526093B2 (en:Method) | 1972-02-29 | 1972-02-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS526093B2 (en:Method) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6088903A (ja) * | 1983-10-13 | 1985-05-18 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | 光学素子 |
| JP2022032352A (ja) * | 2020-08-11 | 2022-02-25 | 株式会社光学技研 | フレネルロム、該フレネルロムを備えた計測装置及び光アッテネーター |
-
1972
- 1972-02-29 JP JP47020254A patent/JPS526093B2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6088903A (ja) * | 1983-10-13 | 1985-05-18 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | 光学素子 |
| JP2022032352A (ja) * | 2020-08-11 | 2022-02-25 | 株式会社光学技研 | フレネルロム、該フレネルロムを備えた計測装置及び光アッテネーター |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS526093B2 (en:Method) | 1977-02-18 |