DD8217A - - Google Patents
Info
- Publication number
- DD8217A DD8217A DD8217DA DD8217A DD 8217 A DD8217 A DD 8217A DD 8217D A DD8217D A DD 8217DA DD 8217 A DD8217 A DD 8217A
- Authority
- DD
- German Democratic Republic
Links
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD8217A true DD8217A (cs) |
Family
ID=220837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD8217D DD8217A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DD (1) | DD8217A (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2217968A1 (de) * | 1971-06-11 | 1972-12-21 | Jenoptik Jena Gmbh | Verfahren zur Herstellung von Inter ferenzschicht Spektraltellern |
-
0
- DD DD8217D patent/DD8217A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2217968A1 (de) * | 1971-06-11 | 1972-12-21 | Jenoptik Jena Gmbh | Verfahren zur Herstellung von Inter ferenzschicht Spektraltellern |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5144498A (en) | Variable wavelength light filter and sensor system | |
| US3279317A (en) | Optical filter device with two series of interference layers for transmitting visible light and reflecting heat radiation | |
| US3551017A (en) | Far infrared transmission type interference filter | |
| US3151208A (en) | Infrared interference filters | |
| US4838628A (en) | Process and apparatus for production of an optical element | |
| DE2217968C3 (de) | Verfahren zur Herstellung von Interferenzschicht-Spektralteilern | |
| SU124674A1 (ru) | Интерференционный теплофильтр | |
| GB1092221A (en) | Optical filters | |
| DD8217A (cs) |